|
Electron tube Type
|
Brand
|
System
|
Data sheet
|
|
25A6
|
Tung-Sol
|
P
|
25A6.pdf (110588 bytes)
|
|
25A6G
|
RCA
|
P
|
25A6.pdf (116069 bytes)
|
25A6G
|
Sylvania
|
P
|
25A6.pdf (75590 bytes) (fr)
|
|
25A6G
|
Tung-Sol
|
P
|
25A6.pdf (110588 bytes)
|
|
25A6G
|
Brimar
|
P
|
25A6G.pdf (38200 bytes)
|
|
25A6GT
|
RCA
|
P
|
25A6.pdf (116069 bytes)
|
|
25A6GT
|
Tung-Sol
|
P
|
25A6.pdf (110588 bytes)
|
|
25A7G
|
RCA
|
rP
|
25A7G.pdf (112621 bytes)
|
|
25A7G
|
Sylvania
|
rP
|
25A7G.pdf (45138 bytes) (fr)
|
|
25A7G
|
Tung-Sol
|
rP
|
25A7GT.pdf (81970 bytes)
|
|
25A7GT
|
RCA
|
rP
|
25A7G.pdf (112621 bytes)
|
|
25A7GT
|
Tung-Sol
|
rP
|
25A7GT.pdf (81970 bytes)
|
|
25A7GT
|
Sylvania
|
rP
|
6J7GT.pdf (111793 bytes) (fr)
|
|
25AC5G
|
Sylvania
|
T
|
25AC5G.pdf (65879 bytes) (fr)
|
|
25AC5G
|
Tung-Sol
|
T
|
25AC5GT.pdf (120780 bytes)
|
25AC5GT
|
Tung-Sol
|
T
|
25AC5GT.pdf (120780 bytes)
|
|
25AV5GA
|
RCA
|
P
|
24LZ6.pdf (29517 bytes)
|
|
25AV5GA
|
Tung-Sol
|
P
|
25AV5GA.pdf (198640 bytes)
|
|
25AV5GA
|
General Electric
|
P
|
6AV5GA.pdf (356672 bytes)
|
25AV5GT
|
Tung-Sol
|
P
|
25AV5GT.pdf (329127 bytes)
|
25AX4GT
|
RCA
|
R
|
24LZ6.pdf (29517 bytes)
|
|
25AX4GT
|
General Electric
|
R
|
25AV5GA.pdf (65442 bytes)
|
|
25AX4GT
|
Tung-Sol
|
R
|
25AX4GT.pdf (76110 bytes)
|
|
25B5
|
Tung-Sol
|
tT
|
25B5.pdf (114245 bytes)
|
|
25B6G
|
RCA
|
P
|
25B6G.pdf (51118 bytes)
|
|
25B6G
|
Sylvania
|
P
|
25B6G.pdf (58835 bytes) (fr)
|
|
25B6G
|
Tung-Sol
|
P
|
25B6G.pdf (108962 bytes)
|
|
25B8GT
|
RCA
|
tp
|
25B8GT.pdf (44965 bytes)
|
|
25B8GT
|
Tung-Sol
|
tp
|
25B8GT.pdf (50539 bytes)
|
|
25B8GT
|
Sylvania
|
tp
|
6J7GT.pdf (111793 bytes) (fr)
|
|
25BK5
|
General Electric
|
P
|
6BK5.pdf (314625 bytes)
|
|
25BQ6GA
|
General Electric
|
P
|
6BQ6GA.pdf (354207 bytes)
|
25BQ6GT
|
Tung-Sol
|
P
|
25BQ6GT.pdf (330124 bytes)
|
25BQ6GTB
|
General Electric
|
P
|
25AV5GA.pdf (65442 bytes)
|
|
25C5
|
RCA
|
P
|
25C5.pdf (204665 bytes)
|
|
25C5
|
Tung-Sol
|
P
|
25C5.pdf (88508 bytes)
|
|
25C5
|
General Electric
|
P
|
50C5.pdf (451047 bytes)
|
|
25C6G
|
Sylvania
|
P
|
25C6G.pdf (49027 bytes) (fr)
|
|
25C6G
|
Tung-Sol
|
P
|
25C6G.pdf (109901 bytes)
|
|
25C6GA
|
Tung-Sol
|
P
|
25C6GA.pdf (145322 bytes)
|
|
25CA5
|
General Electric
|
P
|
25AV5GA.pdf (65442 bytes)
|
|
25CA5
|
Tung-Sol
|
P
|
25CA5.pdf (99954 bytes)
|
|
25CA5
|
Sylvania
|
P
|
6CA5.pdf (575908 bytes)
|
|
25CD6GB
|
RCA
|
P
|
25CD6GB.pdf (29387 bytes)
|
|
25CD6GB
|
RCA
|
P
|
25CD6GB.pdf (319595 bytes)
|
|
25CD6GB
|
Tung-Sol
|
P
|
25CD6GB.pdf (93015 bytes)
|
|
25CD6GB
|
General Electric
|
P
|
6CD6GA.pdf (417930 bytes)
|
|
25CG3
|
RCA
|
R
|
25CD6GB.pdf (29387 bytes)
|
25CG3
|
General Electric
|
R
|
25CG3.pdf (85654 bytes)
|
|
25CK3
|
RCA
|
R
|
25CD6GB.pdf (29387 bytes)
|
|
25CM3
|
RCA
|
R
|
25CM3.pdf (20172 bytes)
|
|
25CT3
|
RCA
|
R
|
25CM3.pdf (20172 bytes)
|
|
25CU6
|
Tung-Sol
|
P
|
25CU6.pdf (92033 bytes)
|
|
25CU6
|
General Electric
|
P
|
6CU6.pdf (345900 bytes)
|
|
25D4
|
Tung-Sol
|
R
|
25D4.pdf (77309 bytes)
|
|
25D8GT
|
Tung-Sol
|
dtp
|
25D8GT.pdf (50052 bytes)
|
25DK3
|
General Electric
|
R
|
25DK3.pdf (210441 bytes)
|
|
25DN6
|
General Electric
|
P
|
25DN6.pdf (417145 bytes)
|
|
25DN6
|
Tung-Sol
|
P
|
25DN6.pdf (198490 bytes)
|
|
25DN6
|
Sylvania
|
P
|
6DN6.pdf (137331 bytes)
|
|
25DN6
|
Sylvania
|
P
|
6DN6.pdf (417905 bytes)
|
|
25DQ6A
|
Tung-Sol
|
P
|
25DQ6A.pdf (163308 bytes)
|
|
25DT5
|
Tung-Sol
|
P
|
25DT5.pdf (204951 bytes)
|
|
25DT5
|
Sylvania
|
P
|
6DT5.pdf (159027 bytes)
|
|
25EC6
|
General Electric
|
P
|
25EC6.pdf (401736 bytes)
|
|
25EC6
|
Tung-Sol
|
P
|
25EC6.pdf (243235 bytes)
|
|
25EH5
|
Tung-Sol
|
P
|
25EH5.pdf (138587 bytes)
|
|
25EH5
|
General Electric
|
P
|
25EH5.pdf (46545 bytes)
|
|
25EH5
|
Sylvania
|
P
|
6EH5.pdf (140273 bytes)
|
|
25F5
|
Sylvania
|
P
|
25F5.pdf (427437 bytes)
|
|
25F5A
|
RCA
|
p
|
25F5A.pdf (219276 bytes)
|
|
25JQ6
|
RCA
|
dP
|
25JQ6.pdf (18387 bytes)
|
|
25JZ8
|
General Electric
|
tP
|
25JZ8.pdf (77847 bytes)
|
|
25L6
|
RCA
|
P
|
25L6.pdf (45146 bytes)
|
25L6
|
Sylvania
|
P
|
25L6.pdf (63037 bytes) (fr)
|
|
25L6G
|
Sylvania
|
P
|
25L6.pdf (63037 bytes) (fr)
|
|
25L6GT
|
General Electric
|
P
|
25L6GT.pdf (341055 bytes)
|
|
25L6GT
|
Tung-Sol
|
P
|
25L6GT.pdf (171333 bytes)
|
|
25L6GT
|
Brimar
|
P
|
25L6GT.pdf (69118 bytes)
|
|
25L6GT
|
Sylvania
|
P
|
6J7GT.pdf (111793 bytes) (fr)
|
|
25L6GTY
|
Brimar
|
P
|
25L6GT.pdf (69118 bytes)
|
|
25MP4
|
Mazda Belvu
|
CRB
|
25MP4.pdf (377466 bytes) (fr)
|
|
25N6G
|
RCA
|
tT
|
25N6G.pdf (44232 bytes)
|
|
25N6G
|
Tung-Sol
|
tT
|
25N6G.pdf (43627 bytes)
|
|
25QP20
|
Tesla
|
CRB
|
25QP20.pdf (647908 bytes) (cs)
|
|
25S (= 1B5)
|
RCA
|
ddt
|
1B5.pdf (38735 bytes)
|
|
25S (= 1B5)
|
RCA
|
ddt
|
1B5.pdf (94862 bytes)
|
|
25S
|
Sylvania
|
ddt
|
1B5.pdf (84098 bytes) (fr)
|
|
25S
|
Tung-Sol
|
ddt
|
1B5.pdf (130664 bytes)
|
|
25T
|
Eimac
|
T~
|
25T.pdf (388390 bytes)
|
25T
|
Eimac
|
T~
|
25T.pdf (400678 bytes)
|
|
25W4GT
|
Tung-Sol
|
R
|
25W4GT.pdf (75155 bytes)
|
25W4GT
|
General Electric
|
R
|
6W4GT.pdf (168492 bytes)
|
|
25W6GT
|
Tung-Sol
|
P
|
25W6GT.pdf (207984 bytes)
|
|
25W6GT
|
General Electric
|
P
|
6W6GT.pdf (599369 bytes)
|
|
25Y5
|
RCA
|
rr
|
25Y5.pdf (34515 bytes)
|
|
25Y5
|
Sylvania
|
rr
|
25Y5.pdf (158170 bytes) (fr)
|
|
25Z4
|
Brimar
|
r
|
25L6GT.pdf (69118 bytes)
|
25Z5
|
Sylvania
|
rr
|
25Y5.pdf (158170 bytes) (fr)
|
|
25Z5
|
RCA
|
rr
|
25Z5.pdf (63288 bytes)
|
|
25Z5
|
Tung-Sol
|
rr
|
25Z5.pdf (111441 bytes)
|
|
25Z6
|
Tung-Sol
|
rr
|
25Z5.pdf (111441 bytes)
|
|
25Z6
|
RCA
|
rr
|
25Z6.pdf (50707 bytes)
|
|
25Z6
|
Sylvania
|
rr
|
25Z6.pdf (140832 bytes) (fr)
|
25Z6G
|
Sylvania
|
rr
|
25Z6.pdf (140832 bytes) (fr)
|
|
25Z6G
|
Tung-Sol
|
rr
|
25Z6GT.pdf (106218 bytes)
|
|
25Z6GT
|
General Electric
|
rr
|
25Z6GT.pdf (178393 bytes)
|
|
25Z6GT
|
Tung-Sol
|
rr
|
25Z6GT.pdf (106218 bytes)
|
|
25Z6GT
|
Sylvania
|
rr
|
6J7GT.pdf (111793 bytes) (fr)
|
|
25Z6WGT
|
Tung-Sol
|
rr
|
25Z6WGT.pdf (83039 bytes)
|
|
26
|
RCA
|
t
|
26.pdf (32125 bytes)
|
|
26 (= CX326)
|
Cunningham
|
t
|
26.pdf (103551 bytes)
|
|
26
|
RCA
|
t
|
26.pdf (95532 bytes)
|
|
26
|
Sylvania
|
t
|
26.pdf (35875 bytes) (fr)
|
|
26
|
Tung-Sol
|
t
|
26.pdf (124537 bytes)
|
|
260A
|
Western Electric
|
Q~
|
260A.pdf (470701 bytes)
|
|
261A
|
Amperex
|
T~
|
261A.pdf (443610 bytes)
|
|
262A
|
Western Electric
|
t
|
262A.pdf (656467 bytes)
|
|
263A
|
Western Electric
|
r°
|
263A.pdf (279390 bytes)
|
|
263B
|
Western Electric
|
r°
|
263B.pdf (329851 bytes)
|
|
264B
|
Western Electric
|
t
|
264B.pdf (561220 bytes)
|
|
2650
|
Philips-Signetics
|
sem
|
2650.pdf (3513243 bytes)
|
|
266B
|
Western Electric
|
R°
|
266B.pdf (361706 bytes)
|
|
268A
|
Western Electric
|
T~
|
268A.pdf (483440 bytes)
|
|
269A
|
Western Electric
|
THY
|
269A.pdf (284802 bytes)
|
|
26A6
|
RCA
|
p
|
26A6.pdf (216027 bytes)
|
|
26A7GT
|
RCA
|
PP
|
26A7GT.pdf (282724 bytes)
|
|
26A7GT
|
Tung-Sol
|
PP
|
26A7GT.pdf (168060 bytes)
|
|
26BK6
|
Tung-Sol
|
ddt
|
26BK6.pdf (171318 bytes)
|
|
26C6
|
RCA
|
ddt
|
26C6.pdf (110423 bytes)
|
|
26D6
|
RCA
|
H
|
26D6.pdf (222103 bytes)
|
26E6WG
|
Tung-Sol
|
P
|
26E6WG.pdf (95992 bytes)
|
|
26E6WG
|
Tung-Sol
|
P
|
26E6WG.pdf (92741 bytes)
|
|
26LX6
|
General Electric
|
P
|
26LX6.pdf (461401 bytes)
|
|
26MG4
|
Mazda
|
CRB
|
26MG4.pdf (91072 bytes) (fr)
|
26Z5W
|
Tung-Sol
|
rr
|
26Z5W.pdf (200944 bytes)
|
|
26Z5W
|
Tung-Sol
|
rr
|
26Z5W.pdf (197063 bytes)
|
|
27
|
RCA
|
t
|
27.pdf (41074 bytes)
|
|
27 (= C327)
|
Cunningham
|
t
|
27.pdf (126391 bytes)
|
|
27
|
RCA
|
t
|
27.pdf (105552 bytes)
|
|
27
|
Sylvania
|
t
|
27.pdf (34384 bytes) (fr)
|
|
27
|
Tung-Sol
|
t
|
27.pdf (113883 bytes)
|
|
270A
|
Western Electric
|
T~
|
270A.pdf (570325 bytes)
|
|
271A
|
Western Electric
|
t
|
271A.pdf (770189 bytes)
|
|
272A
|
Western Electric
|
t
|
272A.pdf (579277 bytes)
|
|
274A
|
Western Electric
|
rr
|
274A.pdf (298207 bytes)
|
|
275A
|
Western Electric
|
T
|
275A.pdf (755559 bytes)
|
|
276A
|
Amperex
|
T~
|
276A.pdf (444204 bytes)
|
|
279A (= ML279A)
|
Machlett Laboratories
|
T~
|
279A.pdf (391385 bytes)
|
|
279A
|
Amperex
|
T~
|
279A.pdf (471343 bytes)
|
|
279A
|
Western Electric
|
T~
|
279A.pdf (541591 bytes)
|
|
27A12
|
AEI
|
PHT
|
27A12.pdf (112841 bytes)
|
|
27C12
|
AEI
|
PHT
|
27C12.pdf (101610 bytes)
|
|
27EP4
|
General Electric
|
CRB
|
27EP4.pdf (220789 bytes)
|
|
27GP4
|
Sylvania
|
CRB
|
27GP4.pdf (206871 bytes)
|
|
27J12
|
AEI
|
PHT°
|
27J12.pdf (108385 bytes)
|
|
27M1
|
AEI
|
PHM
|
27M1.pdf (300986 bytes)
|
|
27M1
|
Mazda
|
PHM
|
27M1.pdf (276406 bytes)
|
|
27M12
|
AEI
|
PHM
|
27M12.pdf (168133 bytes)
|
|
27M12A
|
AEI
|
PHM
|
27M12A.pdf (103668 bytes)
|
|
27M13
|
AEI
|
PHM
|
27M13.pdf (250127 bytes)
|
|
27M2
|
AEI
|
PHM
|
27M2.pdf (332230 bytes)
|
|
27M3
|
AEI
|
PHM
|
27M3.pdf (249367 bytes)
|
|
27NP4
|
Sylvania
|
CRB
|
27NP4.pdf (220418 bytes)
|
|
27RP4
|
General Electric
|
CRB
|
27RP4.pdf (221058 bytes)
|
|
27SP4
|
Sylvania
|
CRB
|
27SP4.pdf (223539 bytes)
|
|
280A
|
Western Electric
|
R
|
280A.pdf (324175 bytes)
|
|
282A
|
Western Electric
|
Q~
|
282A.pdf (515850 bytes)
|
|
283A
|
Western Electric
|
q
|
283A.pdf (668199 bytes)
|
|
285A
|
Western Electric
|
p
|
285A.pdf (1063983 bytes)
|
|
286A
|
Western Electric
|
p
|
286A.pdf (1023137 bytes)
|
|
287A
|
Western Electric
|
THY
|
287A.pdf (809110 bytes)
|
|
287A
|
Western Electric
|
THY
|
287A.pdf (320200 bytes)
|
|
28D7W
|
Sylvania
|
PP
|
28D7W.pdf (900505 bytes)
|
|
295A
|
Western Electric
|
T~
|
295A.pdf (540976 bytes)
|
|
298A (= ML298A)
|
Machlett Laboratories
|
T~
|
298A.pdf (106279 bytes)
|
|
298B (= ML298B)
|
Machlett Laboratories
|
T~
|
298A.pdf (106279 bytes)
|
|
29C1
|
AEI
|
CTD
|
29C1.pdf (154420 bytes)
|
|
29C1
|
Mazda
|
CTD
|
29C1.pdf (142310 bytes)
|
|
2A3
|
Brimar
|
T
|
1U5.pdf (41369 bytes)
|
2A3
|
RCA
|
T
|
2A3.pdf (141927 bytes)
|
|
2A3
|
RCA
|
T
|
2A3.pdf (197658 bytes)
|
|
2A3
|
Sylvania
|
T
|
2A3.pdf (19050 bytes) (fr)
|
|
2A3
|
Tung-Sol
|
T
|
2A3.pdf (170123 bytes)
|
|
2A3-40W
|
JJ
|
T
|
2A3-40W.pdf (171679 bytes)
|
2A4G
|
RCA
|
THY
|
2A4G.pdf (27906 bytes)
|
|
2A4G
|
Sylvania
|
THY
|
2A4G.pdf (57393 bytes) (fr)
|
|
2A4G
|
Tung-Sol
|
THY
|
2A4G.pdf (34145 bytes)
|
|
2A5
|
RCA
|
P
|
2A5.pdf (39582 bytes)
|
|
2A5
|
RCA
|
P
|
2A5.pdf (21641 bytes)
|
2A5
|
Sylvania
|
P
|
2A5.pdf (18525 bytes) (fr)
|
|
2A5
|
Tung-Sol
|
P
|
2A5.pdf (227516 bytes)
|
|
2A6
|
RCA
|
ddt
|
2A6.pdf (31969 bytes)
|
2A6
|
RCA
|
ddt
|
2A6.pdf (32079 bytes)
|
|
2A6
|
Sylvania
|
ddt
|
2A6.pdf (18305 bytes) (fr)
|
|
2A6
|
Tung-Sol
|
ddt
|
2A6.pdf (145807 bytes)
|
|
2A7
|
RCA
|
H
|
2A7.pdf (50113 bytes)
|
|
2A7
|
RCA
|
H
|
2A7.pdf (88116 bytes)
|
|
2A7
|
Sylvania
|
H
|
2A7.pdf (18598 bytes) (fr)
|
|
2A7
|
Tung-Sol
|
H
|
2A7.pdf (88120 bytes)
|
|
2AF4
|
Tung-Sol
|
t
|
2AF4.pdf (100263 bytes)
|
|
2AF4
|
General Electric
|
t
|
6AF4.pdf (277993 bytes)
|
|
2AF4A
|
Tung-Sol
|
t
|
2AF4.pdf (100263 bytes)
|
2AF4A
|
General Electric
|
t
|
6AF4A.pdf (291929 bytes)
|
|
2AF4B
|
Tung-Sol
|
t
|
2AF4B.pdf (98767 bytes)
|
2AP1
|
Tung-Sol
|
CRO
|
2AP1.pdf (94800 bytes)
|
|
2AP1A
|
Sylvania
|
CRO
|
2AP1A.pdf (136884 bytes)
|
2AS2
|
Tung-Sol
|
R
|
2AS2.pdf (74884 bytes)
|
|
2AS2A
|
General Electric
|
R
|
2AS2A.pdf (320010 bytes)
|
2AV2
|
General Electric
|
R
|
2AV2.pdf (171546 bytes)
|
|
2B3
|
General Electric
|
R
|
2B3.pdf (184867 bytes)
|
|
2B4
|
Du Mont
|
t°
|
2B4.pdf (79126 bytes)
|
|
2B7
|
RCA
|
ddp
|
2B7.pdf (38413 bytes)
|
|
2B7
|
RCA
|
ddp
|
2B7.pdf (78274 bytes)
|
2B7
|
Sylvania
|
ddp
|
2B7.pdf (20794 bytes) (fr)
|
|
2B7
|
Tung-Sol
|
ddp
|
2B7.pdf (73844 bytes)
|
|
2BN4
|
General Electric
|
t
|
2AF4.pdf (54423 bytes)
|
|
2BN4
|
Tung-Sol
|
t
|
2BN4.pdf (76237 bytes)
|
2BN4A
|
Tung-Sol
|
t
|
2BN4.pdf (76237 bytes)
|
2BU2
|
General Electric
|
R
|
2BU2.pdf (320226 bytes)
|
|
2C21
|
RCA
|
tt
|
2C21.pdf (119767 bytes)
|
2C22
|
RCA
|
t~
|
2C22.pdf (246639 bytes)
|
|
2C36
|
Sylvania
|
t~
|
2C36.pdf (150552 bytes)
|
|
2C37
|
Sylvania
|
t~
|
2C37.pdf (176585 bytes)
|
|
2C39A (= ML2C39A)
|
Machlett Laboratories
|
T~
|
2C39A.pdf (343224 bytes)
|
|
2C39A
|
Philips
|
T~
|
2C39A.pdf (374662 bytes)
|
|
2C39A
|
Eimac
|
T~
|
2C39A.pdf (505359 bytes)
|
|
2C39B
|
Eimac
|
t~
|
2C39B.pdf (541879 bytes)
|
|
2C39B
|
General Electric
|
t~
|
2C39B.pdf (557213 bytes)
|
|
2C39WA (= ML2C39WA)
|
Machlett Laboratories
|
T~
|
2C39WA.pdf (394854 bytes)
|
|
2C4
|
Tung-Sol
|
t°
|
2C4.pdf (62339 bytes)
|
|
2C40
|
RCA
|
t~
|
2C40.pdf (150566 bytes)
|
|
2C40A
|
General Electric
|
t~
|
2C40A.pdf (331491 bytes)
|
|
2C41 (= ML2C41)
|
Machlett Laboratories
|
T~
|
2C41.pdf (367735 bytes)
|
|
2C43
|
RCA
|
T~
|
2C43.pdf (152688 bytes)
|
|
2C43
|
General Electric
|
T~
|
2C43.pdf (362657 bytes)
|
2C51
|
Tung-Sol
|
tt
|
2C51.pdf (210419 bytes)
|
|
2CN3B
|
General Electric
|
R
|
2CN3B.pdf (350716 bytes)
|
|
2CY5
|
Tung-Sol
|
q
|
2CY5.pdf (87569 bytes)
|
2CY5
|
General Electric
|
q
|
2CY5.pdf (78947 bytes)
|
|
2D13
|
Mullard
|
dd
|
2D13.pdf (35160 bytes)
|
|
2D13A
|
Mullard
|
dd
|
2D13A.pdf (33143 bytes)
|
|
2D13C
|
Mullard
|
dds
|
2D13C.pdf (96012 bytes)
|
|
2D21
|
Mazda Belvu
|
THY
|
2D21.pdf (702717 bytes) (fr)
|
|
2D21 (= 4G/280K)
|
STC
|
THY
|
4G-280K.pdf (326634 bytes)
|
2D21
|
Sylvania
|
THY
|
2D21.pdf (413696 bytes)
|
|
2D21
|
Brimar
|
THY
|
2D21.pdf (105476 bytes)
|
|
2D21W (= 5727)
|
Mazda Belvu
|
THY
|
5727.pdf (747254 bytes) (fr)
|
2D21W
|
Tung-Sol
|
THY
|
2D21W.pdf (217854 bytes)
|
2DZ4
|
Tung-Sol
|
t
|
2DZ4.pdf (60058 bytes)
|