Tube Index (1) American Type Numeric Names/

真空管の索引-(1) 米国型数字名

(Including with Japanese Numeric Tubes/日本の数字管を含む)

2nd edition (2007.10.5)+(2007.10.24)

1st edition (2001.7.10)+(2002.12.18)+(2002.12.28)+(2003.1.10)+(2003.4.19)+(2003.10.1)

HomePageVT/Tube_Index_10.html

written by Koji HAYASHI, Ibaraki JAPAN

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Index/索引

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1. Numeric Name Tubes -American Type and Japanese Origin/数字管-米国型と日本独自

1A. Early-Time 3-Digit/3桁数字管 (199-200s, etc)

1B. Early-Time 2-Digit/初期の2桁数字管 (1-89)

1C. Japanese 3-Digit Battery Tubes/日本の3桁数字電池管

5C. American EIA Numeric 4-Digit Name tubes/米国型数字4桁管

5D. VT Name Tubes/米国VT数字管

Return to Tube Gallery/真空管展示室に戻る

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Numeric Name Tubes - American Type and Japanese Origin

数字管-米国型と日本独自

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Table1A. Early-Time 3-Digit/初期の3桁数字管 (199-200s etc)

No.	Name	Out-line	Ef	Class	Proto Type	Page
CH1	CH1	Metal Glass	12V IDH	Penta-grid Converter	12SA7	Radio_tube_2_Hsola	(Matsuda)
DH2	DH2, part2	Octal Glass	12V IDH	Twin Diode	KZ-6C, Kt-6H6A, 12H6,	Radio_tube_2_Hsola	Matsuda, Matsuda-Cycle
KH2	KH2	Octal Glass	12V/24V IDH	Doubler Rectifier		Radio_tube_2_Hsola	Matsuda-Cycle
PH1	PH1	Octal Glass	12V IDH	Beam Power	(12V6-GT)	Radio_tube_2_Hsola	Matsuda
RH2	RH2, Inside view	Metal Glass	12V IDH	RF Pentode	US-61, 6SJ7 gm= 2mA/V	Radio_tube_2_Hsola	Matsuda, Matsuda-Cycle
RH4	RH4, part2	Metal Glass	12V IDH	RF Pentode	US-6305, 12SH7, gm=4mA/V	Radio_tube_2_Hsola	Matsuda, Cycle
RH8	RH8	Metal Glass	12V IDH	RF Pentode	6AC7, gm=8mA/V	Radio_tube_2_Hsola	Matsuda-Cycle
B01	B01	mT7	1.5V dc	RF Pentode	1T4	Radio_tube_2Cj	Shinagawa
B03	B03	mT7	1.5V dc	RF Pentode	1T4	Radio_tube_2Cj	Shinagawa

No.	Name	Out-line	Ef	Class	Proto Type	Page
NF2	NF-2/ FL2A-05A	European ST (P-base)	6.3V IDH	Multi-purpose Pentode	NF-2, NF-2A Telefunken	Radio_tube_2_Hsola	(JRC)
NF6	NF-6	European ST	12.6V IDH	Multi-purpose Pentode	NF-6 Telefunken	Radio_tube_2_Hsola	JRC
FM2A	FM2-A 05A Inside view	Metal Glass Octal	12.6V IDH	Multi-purpose Pentode	NF-2	Radio_tube_2_Hsola	JRC, Kawanishi
FZ 807 SA	FZ-064A/UY-807SA	Tubler	12.6V IDH	Beam Power	UY-807	TX	Matsuda
FZ	FZ-103A	?	12V	Triode		TX
FB	FB-325A	?	12V	Pentode (or Beam?)		TX
Sora	Sora/(RH2, 12G-R6)	Octal Glass	12.6V IDH	Multi-purpose Pentode	6SJ7	Radio_tube_2_Hsola	Matsuda-Cycle

No.	Name	Out-line	Ef	Class	Proto Type	Page
RX1	RX-1 UX-6501	ST		Stable Oscilator	UY-76?		Toshiba
RW2	RW-2 Ut-6502	ST	6.3V IDH	Converter	Ut-6A7		Toshiba
RE3	RE-3	German Type	6.3V IDH	RF Pentode	SF-1A, RV-12P2000 Telefunken	Radio_tube_2_Rader	JRC
RC4	RC-4	German Type	6.3V IDH	RF Pentode	RE-3 JRC	Radio_tube_2_Rader	Toshiba
RD5	RD-5 / UL-6306	Lock-in	6.3V/ 12.6V IDH	Twin RF Pentode	RH-8	Radio_tube_2_Rader	(Toshiba)

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Table1B. Early-Time 2-Digit Numeric Tube/初期の2桁数字管 (1-89)

Table1B-(1-9)

No.	Name	Outline	Ef	Class	Proto type	Page	Maker
01A	01A	ST14 4 pin	5V	Triode	UX-201A	Radio_tube_1_201A	Philco, RCA
01A (J)	UX-01A	ST14 4 pin	5V	Triode	UX-201A	Radio_tube_1_201A	K.O.Tron
1	1	ST	6.3V	Marcury Halfwave Rectifier
1 (J)	HX-1	ST	6.3V	Marcury Halfwave Rectifier	1	Radio_tube_13B	(Matsuda)
1V	1V	ST	6.3V	High Vacuum Halfwave Rectifier	1
1V (J)	KX-1V	ST	6.3V	High Vacuum Halfwave Rectifier		Radio_tube_13B	(Matsuda)
1A	UX-1A UZ-1A	ST		Pentode			(K.O.Tron)
2A	M2A	ST		Rectifier			(Elevam)
2B	LS2B	T 4pin		Gas Regulator		Radio_tube_Gas	NEC, JRC
2B	M2B	ST		Rectifier			Elevam
2/4	2S/4S	ST		Diode
4A	UY-4A	ST		Pentode			K.O.Tron
5B	LS5B	T 4pin		Gas Regulator		Radio_tube_Gas	NEC
6	NVV-6	T
6A	NVV-6A	Tublar 4 pin	5Vdc?	Triode		Radio_tube_12	NVV
6B	NVV-6B		5Vdc	Triode
6C	KZ-6C(nec)			Twin Diode	(6H6-G)
7A	UY-7A			Pentode			K.O.Tron
10	UX-10		7.5V	Final (Power) Triode	UX-210 UX-202A (UX-210)	-

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Table 1C-(10s).

　

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Table1B-(10s)

No.	Name	Outline	Ef	Class	Proto type	Page
11A	LS11A	T 4pin	-	Gas Regulator		Radio_tube_Gas	NEC
11A (J)	UY-11A	T	1.1Vdc	Pentode		Radio_tube_2_Battery	Matsuda
11M (J)	Uy-11M	mT(Peanut)	1.1Vdc	SCG Tetrode		Radio_tube_2_Battery	Riken
12A	112A, 12A	ST-14	5V dc	Power Triode	UX-112A
12A (J)	UX-12A, UF-12A	ST-12	5Vdc	Power Triode	UX-112A	Radio_tube_3_12A	Matsuda, (2), (3), (4), (5), Elevam(1), (2), Besto, DON, HW, KOtron, After WWII; Unknown, KTE, HEC
12AK (J)	UX-12AK	ST-12	5V IDH	Power Triode	UY-56?		Okaya
12B (J)	HX-12B		5V	Marcury Rectifier	HX-112B	Radio_tube_13B	(K.O.Tron)
12B (J)	KX-12B	ST-12	5V	Halfwave Rectifier	KX-112B	Radio_tube_3_12B	Matsuda, Elevam, Takachiho, K.O.Tron
12C (J)	KX-12C	ST-12	5V	Halfwave Rectifier	KX-112C	Radio_tube_3_Rec	(Elevam)
12C (J)	UZ-12C	ST-12	5Vdc	Twin Triode for TX	12A	Radio_tube_2_Transm	Unknown
12D (J)	HX-12D	ST	5V	Marcury Rectifier		Radio_tube_13B	(Elevam)
12F (J)	KX-12F	ST-12	5V	Halfwave Rectifier	KX-12B	Radio_tube_3_Rec	Matsuda, Elevam, Star, Unknown, Shinagawa After WWII; (Oldon, Don, Matsushita)
12FK (J)		ST-12	5V IDH	Halfwave Rectifier
12K (J)	KX-12K	ST-12	5V IDH	Halfwave Rectifier
13	UP-513			Triode
13 (J)	13M	Spec smT					Appollo
14	UX-514		4V	Triode for Measurem.
14M (J)	Uy-14M	mT(Peanut)	1.1Vdc	RF Pentode		Radio_tube_2_Battery	Matsuda, Riken
15 (J)	VT-15	T	-	Radio Zonde		Radio_tube_2_BatZ	Nippon Koon
15 (J)	15DM	Spec smT			1S4		Appollo
15 (J)	15M	Spec smT			1T4		Appollo
15 (J)	15MB-SF	Spec smT			-		Appollo
19	UZ-19		2.0Vdc	Twin Power Triode

　

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Table1B-(20s)

No.	Name	Outline	Ef	Class	Proto type	Page
22	22	ST-14	2.5V DH	Tetrode	UX-222	Radio_tube_3_Tetrode	RCA Radiotron
24 (J)	24, UY-24	ST-12	2.5V IDH	Tetrode	UY-224	Radio_tube_3_Tetrode	DON
24A	24A	ST-14	2.5V IDH	Tetrode	UY-224	Radio_tube_3_Tetrode	Sylvania
24B (J)	UY-24 UY-24B	ST-12 ST-12	2.5V IDH	Tetrode	UY-224	Radio_tube_3_Tetrode	Matsuda, Elevam, DON
24C (J)	UY-24C	ST-12	2.5V IDH	Tetrode	UY-24B	Radio_tube_3_Tetrode	K.O.Tron
24S (J)	UY-24S	ST-12	2.5V	Pentode	UZ-57	Radio_tube_3_Tetrode	Elevam
26	26 (S)	S 4 pin	1.5V	Triode	UX-226	Radio_tube_1_226	Philco
26	26 (ST) 26 (ST)	ST14 4 pin	1.5V	Triode	UX-226	Radio_tube_1_226 Radio_tube_3_26	Ken-Rad
26 (J)	UX-26	ST12	1.5V	Triode	UX-226	Radio_tube_3_26
26B (J)	UX-26B	ST14 ST12	1.5V	Triode	UX-226	Radio_tube_1_226 Radio_tube_3_26	NEWS Matsuda, Elevam, DON, Besto, Fuji, After WWII; Besto, Lucky
27	27	ST	2.5V IDH	Triode	UY-227	Radio_tube_3_27	Sylvania, Silvertone
27 (J)	UY-27	ST	2.5V IDH	Triode	UY-227	Radio_tube_3_27	Matsuda, Elevam
27A (J)	UY-27A	ST	2.5V IDH	Triode	UY-227	Radio_tube_3_27	Matsuda, Elevam, Perry, K.O.tron, Corona
27B (J)	UY-27B	ST	2.5V IDH	Triode	UY-227B	Radio_tube_3_27
27B (J)	Cho-kenpa	ST					Horizon

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Table1B-(30s)

No.	Name	Outline	Ef	Class	Proto type	Page
30	30/VT27	ST-12	2.0Vdc	Triode	230	Radio_tube_35A	JanCHS Sylvania
30 (J)	UX-30, UF-30	ST-12	2.0Vdc	Triode	UX-230	Radio_tube_35A	Matsuda, Elevam
30C (J)	UZ-30C	ST	2.0Vdc	Twin Triode	30	Radio_tube_2_Battery	(Matsuda)
30M (J)	UX-30M, UV-30M, UN-30M 30 Toku	T	2.0Vdc	Triode	30	Radio_tube_2_Battery	(Matsuda) Shinagawa
30MC (J)	UZ-30MC	T	2.0Vdc	Twin Triode	30C	Radio_tube_2_Battery	Riken
31	31		2.0Vdc	Power Triode	231	Radio_tube_35A	(RCA)
31 (J)	UX-31	ST	2.0Vdc	Power Triode	UX-231	Radio_tube_35A	(Matsuda)
31MC (J)	UZ-31MC		2.0Vdc	Twin Power Triode	30	Radio_tube_2_Battery	(Matsuda)
32	32	ST-14	2.0Vdc	RF Tetrode/ Pentode	232	Radio_tube_35A	KenRad, RCA
32 (J)	UX-32	ST-14	2.0Vdc	RF Tetrode	UX-232	Radio_tube_35A	Matsuda
33	33	ST-12	2.0Vdc	Power Pentode	233	Radio_tube_35A	DuMont
33 (J)	UY-33	ST-12	2.0Vdc	Power Pentode	UY-233	Radio_tube_35A	Matsuda
33 (J)	UZ-33	ST					(K.O.Tron)
33A (J)	UZ-33A						(K.O.Tron)
34	34	ST-14	2.0Vdc	Vari-mu Tetrode/ Pentode	234	Radio_tube_35A	Ad.Auriema/RCA, RCA
34 (J)	UX-34	ST-14 ST-12	2.0Vdc	Vari-mu Tetrode	UX-234	Radio_tube_35A	Matsuda, Kawanishi
35	35	ST14	2.5V dc-ac IDH	Vari-mu Tetrode	UY-235	Radio_tube_1_Tetrode	Cunningham
35 (J)	UY-35, 35	ST12	2.5V dc-ac IDH	Vari-mu Tetrode	UY-235	Radio_tube_1_Tetrode Radio_tube_3_Tetrode	Elevam, DON, AmerTron
35B (J)	UY-35B	ST12	2.5V dc ac IDH	Vari-mu Tetrode	UY-235	Radio_tube_3_Tetrode	(Matsuda)
35D (J)	UX-35D		5V	Vari-mu Tetrode replaced for 112A, 201A	UX-235D		K.O.Tron
36	[36/VT36]	ST-12	6.3V IDH	Tetrode	236	Radio_tube_32_36to39	NU
36 (J)	UY-36	ST-12	6.3V IDH	Tetrode	UY-236	Radio_tube_32_36to39	Matsuda
36A (J)	UY-36A	ST-12	6.3V IDH	Tetrode	UY-36	Radio_tube_32_36to39	Elevam (写真なし)
37	37	ST-12	6.3V IDH	Triode
37	UY-37, UY+37/TB-693A	ST-12	6.3V IDH	Triode	UY-237	Radio_tube_32_36to39	Matsuda, Sumitomo
37A (J)	UY-37A	ST-12	6.3V IDH	Triode	UY-37	Radio_tube_32_36to39	Matsuda, Elevam
38	[38]	ST-12	6.3V IDH	Power Pentode		Radio_tube_32_36to39	Unknown
38 (J)	UY-38	ST-12	6.3V IDH	Power Pentode	UY-238	Radio_tube_32_36to39	Matsuda
38A (J)	UY-38A	ST-12	6.3V IDH	Power Pentode	UY-38	Radio_tube_32_36to39	Matsuda, Elevam
39/44	39/44 -VT49	ST-12	6.3V IDH	Vari-mu Pentode		Radio_tube_32_36to39	Cunningham, RCA
39/ 44 (J)	UY-39	ST-12	6.3V IDH	Vari-mu Pentode	UY-239	Radio_tube_32_36to39	Matsuda
39A (J)	UY-39A	ST-12	6.3V IDH	Vari-mu Pentode	UY-39	Radio_tube_32_36to39	Matsuda

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Table1B-(40s)

No.	Name	Outline	Ef	Class	Proto type	Page
40	UX-40		5V	Triode	UX-240	Radio_tube_1_112A
41	41	ST-12, T-12	6.3V IDH	Power Pentode			Sylvania
41 (J)	UZ-41	ST-12	6.3V IDH	Power Pentode	41	Radio_tube_32_63IMa	Matsuda
42	42	ST-14	6.3V IDH	Power Pentode			(RCA)
42 (J)	UZ-42	ST-14	6.3V IDH	Power Pentode	42	Radio_tube_33_super	Matsuda, After WWII; Matsuda, Tou, Elevam, Besto, Matsushita
43	[43]	ST-14	25V IDH	Power Pentode		Radio_tube_33_us	Cunningham
43 (J)	UZ-43	ST-14	25V IDH	Power Pentode	43	Radio_tube_33_us	Matsuda
45	45		2.5V	Power Triode	245	Direct_heat	RCA Cunningham, TunSol?
45 (J)	UX-45		2.5V	Power Triode	UX-245	Direct_heat	Unknown
45A (J)	(UX-45A)
cho- 45 (J)	UX-Cho45/UX-超45		2.5V	Power Triode		Direct_heat	(DON)
45H (J)	UY-45H	ST	6.3V IDH	Power Triode	UX-45	Radio_tube_2_IndMil	(Matsuda)
46	46
46 (J)	UY-46		2.5V	Power Tetrode		Radio_tube_13B	Matsuda
46B (J)	UY-46B		2.5V	Power Tetrode		Radio_tube_13B	Elevam
46C (J)	UY-46C		2.5V	Power Tetrode		Radio_tube_13B
47	[47]	ST-16	2.5V	Power Pentode	247	Direct_heat	Tungsram
47 (J)	UY-47,	ST-16	2.5V	Power Pentode	UY-247	Radio_tube_3_PenOpt	Matsuda
47A (J)	UY-47A,		5.0V	Transmit. Power Pentode	UY-247		(Matsuda)
47B (J)	UY-47B	ST-12	2.5V	Power Pentode	UY-247B	Radio_tube_3_PenOpt	Matsuda, Elevam, Besto, Horizon
47BK (J)	UY-47BK	ST-12	2.5V IDH	Power Pentode	3Y-P1		Elevam
47C (J)	UX-47C		5.0V	Transmit. Power Pentode	UY-247		(Matsuda)
47C (J)	UY-47C UX-47C	ST-12	1.25V	Power Pentode, replaced for 226	UY-247C UX-247C		(K.O,Tron)
47D (J)	UY-47D UX-47D	ST-12	5V	Power Pentode, replaced for 112A	UY-247D, UX-247D		(K.O,Tron)
47D (J)	UZ-47D		5.0V	Transmit. Power Pentode	UY-247		(Matsuda)
47G (J)	UZ-47G		5.0V	Transmit. Power Pentode	UY-247		(Matsuda)
47H 47K (J)	UZ-47H UZ-47K		5.0V	Transmit. Power Pentode	UY-247		(Riken)
47S (J)	UY-47S	ST-12	5V	Power Pentode	UY-47		Horizon

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Table1B-(50s)

No.	Name	Outline	Ef	Class	Proto type	Page
'50	UX-250 UX-250		7.5V	Power Triode			-
50	LS-50/ Gy-50	-		Beam Power for TX			Sovtec
53 (J)	UT-53	ST-14	2.5V	Twin Power Triode	-	Radio_tube_32_63IMa	Matsuda
54, 54A	UX-54 UX-54A		2.0Vdc				(Matsuda)
55 (J)	UZ-55	ST-12	2.5V IDH	Dual Diode Triode	55	Radio_tube_33_super	Matsuda
56	56	ST-12	2.5V IDH	Triode	37	Radio_tube_3_Triode	Sylvania
56 (J)	UY-56 (Globe) UY-56 (ST), 56	S ST-12 ST-12	2.5V IDH	Triode	'56	Radio_tube_3_Triode	Matsuda, Corona, After WWII; Hitachi
56A (J)	UY-56A	ST-12	2.5V IDH	Triode	UY-56	Radio_tube_3_Triode	Matsuda After WWII; Tou
57	57	ST-12	2.5V IDH			Radio_tube_3_PrnRF	RCA (写真なし)
57 (J)	UZ-57	ST-12	2.5V IDH	Pentode	-	Radio_tube_3_PrnRF	Matsuda, Horizon, SAN After WWII; Matsuda, Orion, Futaba
57 (J)	UY-57	ST-12	2.5V IDH	Pentode	UY-257	Radio_tube_3_PrnRF	(K.O.Tron)
57A (J)	UZ-57A	ST-12	2.5V IDH	Pentode	UZ-57	Radio_tube_3_PrnRF	Matsuda, 並記 After WWII; Matsuda, Atom, NEC
57S (J)	UZ-57S	ST-12	2.5V IDH	Pentode	UY-57	Radio_tube_3_PrnRF	NEC, Matsushita, Tou, JRCsuwa
58	'58	ST-12	2.5V IDH	Vari-mu Pentode	-	Radio_tube_3_PrnRF	RCA, Cunningham (写真なし)
58 (J)	UZ-58	ST-12	2.5V IDH	Vari-mu Pentode	'58	Radio_tube_3_PrnRF	Matsuda(1),(2), After WWII; TEN, KKK, Asia, Dyne
58 (J)	UY-58	ST-12	2.5V IDH	Vari-mu Pentode	UY-258	Radio_tube_3_PrnRF	(K.O.Tron)
58 (J)	cho 58	ST-12	2.5V IDH		UY-224	Radio_tube_3_PrnRF	Horizon
58A (J)	UZ-58A	ST-12	2.5V IDH	Vari-mu Pentode	UY-58	Radio_tube_3_PrnRF	Matsuda(写真なし), 並記 After WWII; NEC, Atom
59	59	ST-16	2.5V IDH	Triple Grid Power Pentode	-	Radio_tube_13B	(RCA)
59	UT-59	ST-16	2.5V IDH	Triple Grid Power Pentode	59	Radio_tube_13B	Matsuda
59B	UZ-59B		2.5V IDH	Triple Grid Power Pentode	UT-59	Radio_tube_13B	(Matsuda)

No.	Name	Out-line	Ef	Class	Proto Type	Page
61 (J)	US-61	Metal	6.3V IDH	Pentode	(RH2)	Radio_tube_2_Jmetal	Matsuda
64 (J)	FZ-064A	T 6pin	12V	Beam Power for TX	UY-807SR	Radio_tube_2_Transm	Tokyo Electric
65	HY-65	Glass octal	6.3V DH	Beam Power for TX		TX_Tube_AW	HYTRON
65 (J)	VRA-65/80	T 4pin	-	Gas Regulator	-	Radio_tube_Gas	Matsuda
65 (J)	TY-65G	ST 5pin		Thyratron			Matsuda
66 (J)	T-66G-GT	T octal		Thyratron			Matsuda, NEC

　

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Table1B-(70s)

No.	Name	Outline	Ef	Class	Proto type	Page
71, 71A	[71A]	S ST	5Vdc	Power Triode	UX-171A	Radio_tube_13A	Philco, Van-Dyke
71, 71A (J)	UX-71 UX-71A	ST	5Vdc	Power Triode	UX-171A	Radio_tube_13A	Matsuda
71H	UY-71H	ST-45	6.3V IDH	Power Triode	UX-71A	Radio_tube_2_IndMil	Matsuda
75	75	ST-12	6.3V IDH	Dual Diode Triode			(RCA)
75 (J)	UZ-75	ST-12	6.3V IDH	Dual Diode Triode	75	Radio_tube_33_super	Matsuda
75 (J)	VR-75GT	Octal T	-	Gas Regulator	0A3		Toshiba, NEC, TEN
75 (J)	VR-75MT	mT	-	Gas Regulator	0C2		NEC
76	76, VT76	ST-12 T-12	6.3V IDH	Triode		Radio_tube_32_63IMa	GE, Ken-Rad
76 (J)	UY-76	ST-12	6.3V IDH	Triode	76	Radio_tube_32_63IMa	Matsuda, Elevam After WWII; Matsuda, JRCsuwa
76A (J)	UY-76A	ST-12	6.3V IDG	Triode	UY-76	Radio_tube_32_63IMa	Matsuda
77	77	ST-12	6.3V IDH	Pentode		Radio_tube_32_63IMa	(RCA)
77 (J)	UZ-77	ST-12	6.3V IDH	Pentode		Radio_tube_32_63IMa	Matsuda, Elevam
78	78	ST-12	6.3V IDH	Vari-mu Pentode		Radio_tube_32_63IMa	Raytheon
78 (J)	UZ-78	ST-12	6.3V IDH	Vari-mu Pentode	78	Radio_tube_32_63IMa	Matsuda
79	79	ST-12	6.3V IDH	Twin Power Triode		Radio_tube_32_63IMa	(RCA)
79 (J)	UZ-79	ST-12	6.3V IDH	Twin Power Triode	79	Radio_tube_32_63IMa	Matsuda

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Table1B-(80s)

No.	Name	Outline	Ef	Class	Proto type	Page
'80	'80	ST-14	5V	Fullwave Rectifier	280		(RCA)
80 (J)	KX-80	ST-14	5V	Fullwave Rectifier	KX-280	Radio_tube_3_Rec	Matsuda, Elevam, DON, Eastron After WWII; Matsuda
80 (J)	HX-80		5V	Marcury Rectifier	HX-280	Radio_tube_13B	(K.O.Tron)
80B (J)	KX-80B	ST-14	5V	Halfwave Rectifier	KX-280B	Radio_tube_3_Rec	Matsuda
80B (J)	HX-80B		5V	Marcury Rectifier	HX-280B	Radio_tube_13B	(K.O.Tron)
80BK (J)	KX-80BK, 80BK		5V IDH	Halfwave Rectifier			NEC, Matsushita, Toshin,
80C (J)	KX-80C	ST-12	5V	Fullwave Rectifier	-	Radio_tube_3_Rec	(DON)
80H (J)	KX-80H	ST-12	5V IDH	Halfwave Rectifier			(TEN)
80HK (J)	KX-80HK, 80HK	ST-12	5V IDH	Halfwave Rectifier			Matsuda
80K (J)	KX-80K After WWII KX-80K, 80K	ST-14	5V IDH	Fullwave Rectifier		Radio_tube_3_Rec	Before WWII; Elevam, DON After WWII; Matsushita, Hitachi
80M (J)	KX-80M	ST-12	5V	Fullwave Rectifier			Elevam
80S (J)	KX-80S	ST-16, 14	5V	Fullwave Rectifier			DAN
81	KX-81		7.5V	Halfwave Rectifier	KX-281		(Elevam)
82	82		2.5V	Marcury Rectifier		Radio_tube_13B
82 (J)	HX-82		2.5V	Marcury Rectifier		Radio_tube_13B
82B (J)	HX-82B			Marcury Rectifier		Radio_tube_13B	(Elevam)
83	83		5V	Marcury Rectifier		Radio_tube_13B	Philips ECG
83 (J)	HX-83		5V	Marcury Rectifier		Radio_tube_13B	Matsuda
83B (J)	HX-83B			Marcury Rectifier		Radio_tube_13B	(Elevam)
84	84/6Z4	ST-12	6.3V IDH	Fullwave Rectifier	-	Radio_tube_32_36to39	National Union, RCA, United
84 (J)	KY-84	ST-12	6.3V IDH	Fullwave Rectifier	84	Radio_tube_32_36to39	Matsuda
84A (J)	KY-84A	ST-12	12.6V IDH	Fullwave Rectifier	KY-84	Radio_tube_32_36to39	Matsuda
85	85	ST-12	6.3V IDH	Dual Diode Triode			(RCA)
85 (J)	UZ-85	ST-12	6.3V IDH	Dual Diode Triode	85	Radio_tube_33_super	(Matsuda)
89 (J)	UZ-89	ST-12	6.3V IDH	Triple Grid Power Pentode	89	Radio_tube_32_63IMa	Matsuda
90	VRD-90/50	T 4pin	-	Gas Regulator	-	Radio_tube_Gas	Matsuda
90	VR90GT	Octal T	-	Gas Regulator	0B3		Matsuda, NEC
99	NU-99	T 4 pin	3.3Vdc	Triode	UV-199 UX-199	Radio_tube_12	NU

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---

Table 1C. Japanese 3-Digit Battery Tube/日本の3桁電池管 (10s, 109-110s, 130s, 160s)

Table 1C-(100s).

No.	Name	Outline	Ef	Class	Proto type	Page
101, 101A	UF-101, UF-101A	(Ball) ST	4V 5V	Triode			(Matsuda)

No.	Name	Out-line	Ef	Class	Proto Type	Page
101D	101D	Ball	4.5V	Triode	WE101D	Radio_tube_34	WE
101F	101F	Ball	4.5V	Triode	WE101F	Radio_tube_34	(WE)
101F (J)	101F	Ball	4.5V	Triode	WE101F	Radio_tube_34	NEC
101F (J)	HO-101F	S	4.5V	Triode	101F	Radio_tube_34	NEC
102F (J)	HO-102F	ST		Triode	-	Radio_tube_34	NEC
104D	104D	Ball	4.5V	Triode	WE104D	Radio_tube_34	WE
104F (J)	HO-104F / TB-608B	ST	4V	Triode	-	Radio_tube_34	NEC
105	0C3/ VR-105	Octal ST	-	Gas Regulator	0C3		Hytron
105 (J)	VR-105GT	Octal T	-	Gas Regulator	0C3		Matsuda, NEC
105 (J)	VR-105MT	mT	-	Gas Regulator	0B2		Matsuda, NEC

　

No.	Name	Outline	Ef	Class	Proto type	Page
109	UX-109	S	1.3Vdc	Triode	Philips A109	Radio_tube_35E	Matsuda
109A	UX-109A, UF-109A =TB-651A*	ST	1.1Vdc	Triode		Radio_tube_2_Battery	Matsuda
109C	UZ-109C	ST	1.1Vdc	Twin Triode	UX109Ax2	Radio_tube_2_Battery	Matsuda

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Table 1C-(110s).

No.	Name	Outline	Ef	Class	Proto type	Page
110	UX-110	S	1.3Vdc	Power Triode	Philips B105	Radio_tube_35E	(Matsuda)
111	UX-111	S	1.3Vdc	SC Tetrode	Philips A141	Radio_tube_35E	(Matsuda)
111B	UX-111B, UF-111B, UY-111B	S	1.3Vdc	SC Tetrode	Philips A141	Radio_tube_35E	Matsuda (写真なし)
111A	UF-111A =MC-650A*	ST	1.1Vdc	RF Tetrode		Radio_tube_2_Battery	(Matsuda) (NEC)

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No.	Name	Outline	Ef	Class	Proto type	Page
P112	P112	T	12.0V IDH	Power Pentode for TX	?	Radio_tube_2_Transm	JRC
112	UX-112	S	5Vdc	Triode	-	Radio_tube_1_112A	Radioton
112A	UX-112A, CX-112A,	S	5Vdc	Triode	UX-112	Radio_tube_1_112A	RCA Radiotron Cunningham
112A (J)	UX-112A	S	5V dc	Triode	UX-112A	Radio_tube_1_112A	K.O.Tron, Crown, Kinsen
112A (J)	KX-112A	S	5V	Halfwave Rectifier	UX-112A	Radio_tube_1_KX112	Cymotron, Elevam, K.O.Tron, Showa-tron
112B (J)	KX-112B	S ST	5V	Halfwave Rectifier	KX-112A	Radio_tube_1_KX112	Matsuda, Elevam, DON, K.O.Tron, HALLOO, Kinsen
112B (J)	UX-112B					Radio_tube_1_Pentode	Elevam
112B	HX-112B	S ST		Marcury Rectifier		Radio_tube_13B	(K.O.Tron)
112C (J)	KX-112C	S		Halfwave Rectifier	KX-112B	Radio_tube_1_Pentode	Elevam
112C (J)	UX-112C					Radio_tube_1_Pentode.	Elevam

No.	Name	Outline	Ef	Class	Proto type	Page
120	UX-120		3.3Vdc	Triode			(RCA)

Table 1C-(130s).

No.	Name	Outline	Ef	Class	Proto type	Page
130A	UX-130A	ST12	1.1Vdc	Triode		Radio_tube_2_Battery	(Matsuda)
130C	UZ-130C	ST12	1.1Vdc	Twin Triode		Radio_tube_2_Battery	(Matsuda)
133	UY-133	ST12	1.1Vdc	Power Pentode		Radio_tube_2_Battery	(Matsuda)
133A	UY-133A	ST12	1.1Vdc	Power Pentode		Radio_tube_2_Battery	Matsuda, (Riken)
133C	UY-133C	ST					(Elevam)
133D	UZ-133D =MC-624A*	ST12	1.1Vdc	Triode Power Pentode		Radio_tube_2_Battery	Matsuda
133F, 133G	UZ-133F UZ-133G		1.1Vdc	Power Pentode
134	UX-134, UZ-134, UF-134 , =MC-649A* (UF-134A?)	ST12	1.1Vdc	Vari-mu Pentode		Radio_tube_2_Battery	Matsuda, Matsuda-Cycle
135	UZ-135 =MC-625A*	ST12	1.1Vdc	Penta-grid Converter		Radio_tube_2_Battery	Matsuda
135	VRA135T	T 4pin	-	Gas Regulator		Radio_tube_Gas	Matsuda
135	VRA135/80	T 4pin	-	Gas Regulator		Radio_tube_Gas	Matsuda
142	KX-142	ST12	2.5V	High Voltage Rectifier	2X2	TV_HV_rec	Toshiba-Tsushin, NEC
145	VRA-145/50	T	-	Gas Regulator		Radio_tube_Gas	Matsuda
150	VR-150-30	Octal ST	-	Gas Regulator			Hytron
150 (J)	VR-150ST	Octal ST	-	Gas Regulator	0D3		Toshiba, NEC
150 (J)	VR-150MT	mT		Gas Regulator	0A2		Matsuda, NEC

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Table 1C-(160s).

No.	Name	Outline	Ef	Class	Proto type	Page
166	UX-166 (UX-166A?)	ST-12	2.0Vdc	Triode		Radio_tube_35B	K.O.Tron
166B	UX-166B	ST-12	1.1Vdc	Triode		Radio_tube_35B	K.O.Tron
167	UX-167 (UX-167A?)	ST-12	2.0Vdc	Pentode		Radio_tube_35B	KOTron, Tou
167B	UX-167B	ST-12	1.1Vdc	Pentode		Radio_tube_35B	(K.O.Tron)
169	UY-169	ST-12	2.0Vdc	Power Pentode		Radio_tube_35B	Tou
169A	UY-169A	ST-12	2.0Vdc	Power Pentode		Radio_tube_35B	(KO, Horizon)
169B	UY-169B	ST-12	1.1Vdc	Power Pentode		Radio_tube_35B	HW

No.	Name	Outline	Ef	Class	Proto type	Page
171, 171A	UX-171 UX-171A, [CX371A]	S	5Vdc	Power Triode	UX-171	Radio_tube_13A	Cunningham, RCA Radiotron

No.	Name	Outline	Ef	Class	Proto type	Page
199	UV-199 UX-199	T	3.3Vdc	Triode	199	Radio_tube_12	(RCA), (MATSUDA)
200	UV-200	S	5V	Triode			(RCA), (MATSUDA)

No.	Name	Outline	Ef	Class	Proto type	Page	Maker
201	UV-201	S 4 pin	5V	Triode		Radio_tube_1_201A	Radiotron
201A, 301A	UV-201A UX-201A, CX-301A	S 4 pin	5V	Triode	UV-201	Radio_tube_1_201A	Radiotron - Cunningham
201A (J)	UV-201A	S 4 pin	5V	Triode	UV-201	Radio_tube_1_201A	Cymotron
201A (J)	UX-201A	S 4 pin	5V	Triode	UV-201	Radio_tube_1_201A	Cymotron, Matsuda, Elevam, Best, K.O.Tron. DON, YKtron, Neo, Newtron, TOYO, Stanley, Weston, Fuji
201B (J)	UX-201B	S 4 pin	5V ?	Triode	UX-201A	-	Nihon Musen (JRC)
202A	UX-202A	ST	7.5V	Final (Power) Triode	(=UX-210)	-
202A	KX-202A		7.5V	Halfwave Rectifier		-	(Matsuda)
210	UX-210 UX-10		7.5V	Final (Power) Triode		-
211	UV-211A			Power triode for TX			Matsuda cymotron
216 (J) 216A (J)	UX-216 UX-216A	S 4 pin	5V	Half wave Rectifier	UX-201A	Radio_tube_1_KX112	NVV

No.	Name	Outline	Ef	Class	Proto type	Page	Maker
222 (J)	UX-222	S	3.3Vdc	Tetrode		Radio_tube_1_Tetrode	Cumotron
224	UY-224, SY-224, 224-P-480	S	2.5V IDH	Tetrode	UY-224	Radio_tube_1_Tetrode	RCA Radiotron, Sylvania, Unknown
224 (J)	UY-224	S ST14	2.5V IDH	Tetrode	UY-224	Radio_tube_1_Tetrode	Matsuda, KStron
226 326	UX-226, CX-326, SX-226	S 4 pin	2.5V	Triode	UX-201A	Radio_tube_1_226	Cunningham, Sylvania
226 (J)	UX-226	S 4 pin	2.5V	Triode	UX-226	Radio_tube_1_226	Cymotron, Matsuda, Elevam, K.O.Tron, Chikara, Storong, Economy, NVV, Kingtron, Boom, Rising
227	UY-227	S 5 pin	2.5V IDH	Triode	-	Radio_tube_1_227	RCA Radiotron
227 (J)	UY-227	S 5 pin	2.5V IDH	Triode	UY-227	Radio_tube_1_227	Cymotoron, Matsuda, Elevam, ELX, DON
227B (J)	UY-227B	S 5 pin	2.5V IDH	Triode	Philips F215	Radio_tube_1_227	Matsuda

No.	Name	Outline	Ef	Class	Proto type	Page
230	UX-230	T	2.0Vdc	Triode	230	Radio_tube_35A	(Matsuda)
231	UX-231	T	2.0Vdc	Power Triode	231	Radio_tube_35A	(Matsuda)
232	UX-232	S	2.0Vdc	RF Tetrode	232	Radio_tube_35A	(Matsuda)
233	UY-233	S	2.0Vdc	Power Pentode	233	Radio_tube_35A	(Matsuda)
234	UX-234	S	2.0Vdc	Vari-mu Tetrode	234	Radio_tube_35A	(Matsuda)
235	UY-235	S	2.5V dc-ac IDH	Vari-mu Tetrode	UY-224		(RCA)
235 (J)	UY-235, 235	S	2.5V dc-ac IDH	Vari-mu Tetrode	UY-235	Radio_tube_1_Tetrode	Matsuda, Elevam
235D	UX-235D		5V	Vari-mu Tetrode replaced for 112A, 201A			(K.O.Tron)
236 (J)	UY-236	S-12	6.3V IDH	Tetrode		Radio_tube_32_36to39	Matsuda
237	UY-237		6.3V IDH	Triode		Radio_tube_32_36to39	(Matsuda)
238	UY-238		6.3V IDH	Power Pentode		Radio_tube_32_36to39	(Matsuda)
239 (J)	UY-239	S-12 ST-12	6.3V IDH	Vari-mu Pentode		Radio_tube_32_36to39	Matsuda Matsuda

No.	Name	Outline	Ef	Class	Proto type	Page	Maker
240	UX-240		5V	Triode	UX-240	Radio_tube_1_112A
245	UX-245	S	2.5V	Power Triode		Radio_tube_13A	RCA Radiotron
247	247	S	2.5V	Power Pentode	247	Radio_tube_1_Pentode	Unknown
247 (J)	UY-247	S	2.5V	Power Pentode	247	Radio_tube_1_Pentode	Elevam
247A (J)	UY-247A	S	2.5V	Power Pentode	247	Radio_tube_1_Pentode	Elevam
247B (J)	UY-247B	S	2.5V	Power Pentode	233	Radio_tube_1_Pentode	Matsuda, New Weston
247C (J)	UY-247C UX-247C	S	1.25V	Power Pentode, replaced for 226	247B	Radio_tube_1_Pentode	K.O.Tron
247D (J)	UY-247D, UX-247D	S	5V	Power Pentode, replaced for 112A	247B	Radio_tube_1_Pentode	K.O.Tron

No.	Name	Outline	Ef	Class	Proto type	Page	Maker
250	UX-250	S	7.5V	Power Triode	-		RCA
250 (J)	UX-250	S	7.5V	Power Triode	UX-250	Radio_tube_13A	Matsuda
257	UY-257	S?	2.5V IDH	Pentode		Radio_tube_3_PrnRF	(K.O.Tron)
258	UY-258	S?	2.5V IDH	Vari-mu Pentode		Radio_tube_3_PrnRF	(K.O.Tron)

No.	Name	Outline	Ef	Class	Proto type	Page
280, 380	UX-280, CX-380, PR-280	S	5V	Fullwave Rectifier	-	Radio_tube_13A	Radiotron, Cunningham, Perryman, KenRad
280 (J)	KX-280	S	5V	Fullwave Rectifier	UX-280	Radio_tube_13A	(Matsuda)
280	HX-280	S	5V	Marcury Rectifier		Radio_tube_13B	(K.O.Tron)
280B (J)	KX-280B	S	5V	Halfwave Rectifier	245	Radio_tube_1_Pentode	Matsuda
280B (J)	HX-280B	S	5V	Marcury Rectifier		Radio_tube_13B	(K.O.Tron)
281, 381	UX-281 CX-381 KX-281 KX-81(elv)	S	7.5V	Halfwave Rectifier	-	Radio_tube_13A	Cunningham
281	KX-281	S	7.5V	Halfwave Rectifier	UX-281		(Matsuda)

No.	Name	Outline	Ef	Class	Proto type	Page
295	UY-295	S		for photo	American 295		(K.O.Tron)
307	T307	T	12V	Power Triode for TX	UY-807	Radio_tube_2_Transm	Matsuda
406	SK-406	T	?	Radio Zonde	-	Radio_tube_2_BatZ	Sinagawa
409	KMS-409	T	?	Radio Zonde	-	Radio_tube_2_BatZ	Shinagawa

No.	Name	Outline	Ef	Class	Proto type	Page
452	UY-452	S	1.5V?	Twin Triode Amp	UX-226	Radio_tube_1_Pentode	(K.O.Tron)
501D	CZ-501D / MC-656C	ST-12	3.5V	RF Pentode		Radio_tube_34	NEC, Hitachi, TEN
501F	CY-501F / MC-656B	ST-12	4.5V	RF Pentode		Radio_tube_34	Sumitomo
503	P-503A	T	10V	Power Pentode for TX		Radio_tube_2_Transm	Matsuda
504D	CZ-504D / MB-655A	ST-14	5.5V	Po Pentode		Radio_tube_34	NEC
504V	CZ-504V MB-655D	ST-14	6.3V	Po Pentode		Radio_tube_34	Hitachi
506B	KX-506B	S	?	Fullwave rectifier		Radio_tube_1_Pentode	(K.O.Tron)
508	TB-508C			Power triode for TX			Sumitomo
510	UZ-510, E-510	T 6pin	12V	Power Pentode for TX		Radio_tube_2_Transm	Tokyo Electric, Kawanishi
511	CZ-511/ MC-658A	ST		RF Pentode		Radio_tube_34	Sumitomo

No.	Name	Outline	Ef	Class	Proto type	Page
512A	UX-512A		5Vdc	Triode	UX-112A	Radio_tube_1_112A	(Matsuda)
513	UP-513			Triode			(Matsuda)
514	UX-514		4V	Triode for Measurem.			(Matsuda)

No.	Name	Outline	Ef	Class	Proto type	Page
536	UY-536					Radio_tube_32_36to39	(Matsuda)
537	UY-537		6.3V IDH	Triode		Radio_tube_32_36to39	(Matsuda)
538	UY-538		6.3V IDH	Power Pentode		Radio_tube_32_36to39	(Matsuda)
539	UY-539		6.3V IDH	Vari-mu Pentode		Radio_tube_32_36to39	(Matsuda)

No.	Name	Outline	Ef	Class	Proto type	Page
540	UX-540		5V	Triode	UX-240	Radio_tube_1_112A	(Matsuda)

No.	Name	Outline	Ef	Class	Proto Type	Page
601A (4020)	TB-601A	S	2.0V	Triode	4020A STC/CV1653	Radio_tube_34	(NEC)
608B (J)	HO-104F / TB-608B	ST	4V	Triode	-	Radio_tube_34	NEC
608D	TB-608B, TB-608D, HO-104F	ST	4.0V	Triode	WE104F	Radio_tube_34	(NEC)
639A	TB-639A /UY-37	ST	6.3V	Triode	UY-37		NEC
650A	MC-650A	ST	1.1Vdc	RF Tetrode	UF-111A	Radio_tube_2_Battery	(Matsuda) (NEC)
656A	MC-656A	ST	2.5V IDH	Pentode		Radio_tube_34	(NEC)
656	CY-501F/MC-656B	ST	4.5V IDH	Pentode		Radio_tube_34	(NEC)
656	CZ-501D/MC-656C	ST	3.5V IDH	Pentode		Radio_tube_34	(NEC)
(501)	CZ-501D	ST	3.5V IDH	Pentode		Radio_tube_34	(NEC)
655	CZ-504D/MB-655A	ST	5.5V IDH 6.0V IDH	Power Pentode		Radio_tube_34	(NEC)
655D	CZ-504V/MB-655D	ST	6.3V IDH	Power Pentode		Radio_tube_34	(NEC)
661A	TE-661A	Acorn	6.3V IDH	Triode	955	Radio_tube_2_Rader	(NEC)
662A	ME-662A	Acorn	6.3V IDH	Detector Amp Pentode	954	Radio_tube_2_Rader	(NEC)
664A	ME-664A	Special Acorn	6.3V IDH	VHF Det, Amp & Osc Pentode		Radio_tube_2_Rader	Sumitomo (NEC), Shinagawa
665A	KZ-6C/DB-665A	T	6.3V IDH	Twin Diode	6H6G, KZ-6C		(NEC)
670A	MC-670A	ST	6.3V IDH	Pentode	UZ-6C6		(NEC)
671A	MC-671A =RT3	ST	6.3V IDH	Vari-mu Pentode	UZ-6D6		(NEC)
674A	TB-674A	ST	6.3V IDH	Triode	UY-76		(NEC)
762A	DC-762A	ST		HV Rectifier	2X2? KX-142?		NEC

　

No.

Name

Outline

Ef

Class

Proto type

Page

No.	Name	Outline	Ef	Class	Proto Type	Page
802	UT-802	ST	6.3V IDH	Output Power Pentode for TX	802	Radio_tube_2_Transm	Matsuda
804A	MC-804A	Metal	6.3V IDH	Triode Pentode	US-6F7A	Radio_tube_2_Jmetal	NEC
807	807	ST 5pin	6.3V IDH	Beam Power	-	Radio_tube_2_Transm
807	UY-807	ST 5pin	6.3V IDH	Beam Power	807	Radio_tube_2_Transm	Matsuda
807A	UY-807A	T 5pin	6.3V IDH	Beam Power	UY-807	Radio_tube_2_Transm	Matsuda-Cycle
807B	UY-807B, UY-807SA, FZ064A	T 6pin	12V IDH	Beam Power	UY-807	Radio_tube_2_Transm	Tokyo Electric

No.	Name	Outline	Ef	Class	Proto type	Page
810A	MC-810A	Metal	6.3V IDH	Pentode	6J7 US-6J7		(NEC)
811A	MC-811A	Metal	6.3V IDH	Vari-mu Pentode	6K7 US-6K7		(NEC)
812A	US-6A8, MC-812A	Metal	6.3V IDH	Converter	6A8 US-6A8		(NEC)
813A	MC-813A	Metal	6.3V IDH	Twin Diode Triode	6Q7 US-6Q7		(NEC)
816A	US-6F6, MB-816A	Metal	6.3V IDH	Power Pentode	6F6 US-6F6		(NEC)
817A	DB-817A	Metal	6.3V IDH	Twin Diode	6H6 US-6H6		(NEC)
818A	TB-818A	Metal	6.3V IDH	Triode	6C5 US-6C5		(NEC)
829B	829B/ 2B29	8 pin	6.3V IDH	Twin Beam for TX	829	TX_Tube_AW3	Fujitsu
832	832/ 2B32	8 pin	6.3V IDH		832	TX_Tube_AW3	(JRC)
837	G-837	Octal?	12.6V	Beam Power tube for TX	837		Russian
850	MB-850	Metal	6.3V IDH	IF Amp Pentode for VHF Receiver	US-6305	Radio_tube_2_Jmetal	(NEC)

No.	Name	Outline	Ef	Class	Proto Type	Page
954	UN-954	Acorn	6.3V IDH	Detector Amp Pentode	954	Radio_tube_2_Rader	Sumitomo, Hitachi
955	UN-955	Acorn	6.3V IDH	Triode	955	Radio_tube_2_Rader	Unknown, Matsuda, Sumitomo, Hitachi
955A	UN-955A	Acorn	6.3V IDH	Triode	955	Radio_tube_2_Rader	Matsuda-Cycle
957	957/ VT237	Acorn					Sonotone
957 1K3	UN-1K3*	Acorn	1.1Vdc	Triode	(957)		(Riken)
959 1K5	UN-1K5*	Acorn	1.1Vdc	Pentode	(959)		(Riken)
966	HX-966B						Cymotron
968	HX-968						Toshiba-Tsushine

No.	Name	Outline	Ef	Class	Proto Type	Page	Maker
2001	S2001	Glass octal (GT)	6.3V	Beam Power for TX	6146	TX_Tube_AW2	Matsushita
	S2001A	Glass octal (GT)	6.3V	Beam Power for TX	6146	TX_Tube_AW2	Matsushita
	S2001M	Glass octal (GT)	6.3V	Beam Power for TX	6146	TX_Tube_AW2	Matsushita
2002	S2002	Compactron	6.3V	Beam Power for TX	PL509/ 40KG6A	TX_Tube_AW2	Matsushita
2003	S2003	Glass octal (GT)	6.3V	Beam Power for TX	PL509/ 40KG6A	TX_Tube_AW2	Matsushita

No.	Name	Outline	Ef	Class	Proto Type	Page
6001	UZ-6001	ST	6.3V IDH	Low Noise Pentode	UZ-77 UZ-560 (#5005, 5005A), UZ-577 (#5009, #5009A)		(Matsuda)
6201	UX-6201	ST	5.0Vdc	Triode for Measurem.	UX-540 (#5001, #5001A)		(Matsuda)
6202	UX-6202	ST	1.7Vdc	Triode for Measurem.			(Matsuda)
6203	UX-6203	ST	4.0Vdc	Triode for Measurem.			(Matsuda)
6301	UY-6301	ST 5pin	6.3V IDH	Low Noise Triode	-	Radio_tube_2_IndMil	Matsuda
6302	UZ-6302	ST 6pin	6.3V IDH	SCO Pentode for TV	-	Radio_tube_2_IndMil	Matsuda
6303	UZ-6303	ST 6pin	6.3V IDH	RCO Pentode for TV	-	Radio_tube_2_IndMil	(Matsuda)
6304	UZ-6304	ST 6pin	6.3V IDH	Video Amp Power Pentode	-	Radio_tube_2_IndMil	Matsuda
6305	US-6305, MB-850 (NEC)	Metal	6.3V IDH	IF Amp Pentode for VHF Receiver	(RH4)	Radio_tube_2_Jmetal	Matsuda
6306	UL-6306	Glass-Loktal	6.3V IDH	Twin High gm Pentode	(RH8 x2)	Radio_tube_2_Rader	(Toshiba)
6501	UX-6501	ST	6.3V IDH	Osc Triode	(UY-76?)		(Matsuda)
6502	Ut-6502	ST	6.3V IDH	Penta-Grid	Ut-6A7		(Matsuda)