Electron Tube Data Sheets
Type: Begins with: 23E
| 2-23E | 23E-2B | 2B-2Z |
|---|
| Electron tube Type | Brand | System | Data sheet |
|---|---|---|---|
| 23ENP4 | RCA (HB3) | CRB | 23ENP4.pdf (94696 bytes) |
| 23ENP4 | RMA/EIA | CRB | 23ENP4.pdf (404899 bytes) |
| 23EP4 | RCA (HB3) | CRB | 23EP4.pdf (415256 bytes) |
| 23EP4 | Sylvania | CRB | 23EP4.pdf (253170 bytes) |
| 23EQP4 | RCA (HB3) | CRB | 23EQP4.pdf (164336 bytes) |
| 23EQP4 | RMA/EIA | CRB | 23EQP4.pdf (484283 bytes) |
| 23ERP4 | RCA (HB3) | CRB | 23ERP4.pdf (14046 bytes) |
| 23ETP4 | RCA (HB3) | CRB | 23ETP4.pdf (93917 bytes) |
| 23ETP4 | RMA/EIA | CRB | 23ETP4.pdf (402090 bytes) |
| 23EWP4 | Sylvania | 23EWP4.pdf (21102 bytes) | |
| 23EWP4A | Sylvania | CRB | 23EWP4A.pdf (318474 bytes) |
| 23EYP4 | RMA/EIA | CRB | 23EYP4.pdf (221744 bytes) |
| 23EZP4 | RCA (HB3) | CRB | 23EZP4.pdf (72405 bytes) |
| 23FAP4 | Sylvania | CRB | 23FAP4.pdf (313789 bytes) |
| 23FDP4 | RCA (HB3) | CRB | 23FDP4.pdf (96931 bytes) |
| 23FDP4 | RMA/EIA | CRB | 23FDP4.pdf (376529 bytes) |
| 23FMP4 | RCA (HB3) | CRB | 23FMP4.pdf (17130 bytes) |
| 23FNP4 | RMA/EIA | CRB | 23FNP4.pdf (222329 bytes) |
| 23FP4 | Westinghouse | 23FP4.pdf (80208 bytes) | |
| 23FP4A | RCA (HB3) | CRB | 23FP4A.pdf (78900 bytes) |
| 23FRP4 | RCA (HB3) | CRB | 23FRP4.pdf (94377 bytes) |
| 23FRP4 | RMA/EIA | CRB | 23FRP4.pdf (314581 bytes) |
| 23FSP4 | RCA (HB3) | CRB | 23FSP4.pdf (96257 bytes) |
| 23FSP4 | RMA/EIA | CRB | 23FSP4.pdf (331125 bytes) |
| 23FVP4 | RMA/EIA | CRB | 23FVP4.pdf (281249 bytes) |
| 23FWP4 | RMA/EIA | CRB | 23FWP4.pdf (47293 bytes) |
| 23FWP4A | RMA/EIA | CRB | 23DVP4A-23FWP4A.pdf (35588 bytes) |
| 23GBP4 | RMA/EIA | CRB | 23GBP4.pdf (325120 bytes) |
| 23GJP4 | RMA/EIA | CRB | 23GJP4.pdf (334844 bytes) |
| 23GJP4A | RCA (HB3) | CRB | 23GJP4A.pdf (67353 bytes) |
| 23GLP4C | Mazda-Belvu | CRB | 23GLP4C.pdf (45003 bytes) (fr) |
| 23GP4 | NationalVideoCorp | 23GP4.pdf (116040 bytes) | |
| 23GSP4 | RCA (HB3) | CRB | 23GSP4.pdf (98859 bytes) |
| 23GWP4 | RMA/EIA | CRB | 23GWP4.pdf (263027 bytes) |
| 23HEP4 | Mazda-Belvu | CRB | 23HEP4.pdf (382493 bytes) (fr) |
| 23HFP4A | RCA (HB3) | CRB | 23HFP4A.pdf (18215 bytes) |
| 23HGP4 | RCA (HB3) | CRB | 23HGP4.pdf (104492 bytes) |
| 23HP4 | ThomasElectronics | 23HP4.pdf (137548 bytes) | |
| 23HUP4A | RCA (HB3) | CRB | 23HUP4A.pdf (78900 bytes) |
| 23HWP4A | RCA (HB3) | CRB | 23HWP4A.pdf (99623 bytes) |
| 23JP4 | RCA (HB3) | CRB | 23JP4.pdf (78878 bytes) |
| 23JP4 | Sylvania | CRB | 23JP4.pdf (281953 bytes) |
| 23JS6A | RCA (RC30) | P | 6JH5.pdf (556051 bytes) |
| 23KP4 | GE | 23KP4.pdf (141520 bytes) | |
| 23MA4 | Mazda | CRB | 23MA4.pdf (155459 bytes) (fr) |
| 23MP4 | RCA (HB3) | CRB | 23MP4.pdf (535648 bytes) |
| 23MP4 | Sylvania | CRB | 23MP4.pdf (305361 bytes) |
| 23MP4 | RCA | CRB | 23MP4.pdf (324913 bytes) |
| 23NP4 | RCA (HB3) | CRB | 23NP4.pdf (365229 bytes) |
| 23NP4 | RCA | CRB | 23NP4.pdf (273626 bytes) |
| 23RP4 | Sylvania | CRB | 23BRP4.pdf (277160 bytes) |
| 23SP4 | Sylvania | CRB | 23CP4.pdf (283247 bytes) |
| 23TP4 | Sylvania | CRB | 23ACP4.pdf (259775 bytes) |
| 23UP4 | Sylvania | CRB | 23UP4.pdf (298677 bytes) |
| 23VP4 | Westinghouse | 23VP4.pdf (79736 bytes) | |
| 23WP4 | ThomasElectronics | 23WP4.pdf (178235 bytes) | |
| 23XP4 | Sylvania | CRB | 23XP4.pdf (289012 bytes) |
| 23YP4 | RCA (HB3) | CRB | 23YP4.pdf (73377 bytes) |
| 23YP4 | Sylvania | CRB | 23XP4.pdf (289012 bytes) |
| 23Z9 | General Electric | ttP | 23Z9.pdf (737545 bytes) |
| 23Z9 | RCA (RC30) | ttP | 23Z9.pdf (115983 bytes) |
| 23ZP4 | RaulandCorp | 23ZP4.pdf (99772 bytes) | |
| 24 | Tung-Sol | q | 24.pdf (37304 bytes) |
| 240B | Cossor | TT | 240B.pdf (50211 bytes) |
| 240C | Amperex | 6209.pdf (80987 bytes) | |
| 240FEV12GTE | Pressler | PHT | 240FEV12GTE.pdf (567466 bytes) |
| 240N | Amperex | 6209.pdf (80987 bytes) | |
| 241B (= ML241B) | Machlett Laboratories | T~ | 241B.pdf (358631 bytes) |
| 242A | Western Electric | T~ | 242A.pdf (529315 bytes) |
| 242B | Western Electric | T~ | 242B.pdf (535153 bytes) |
| 244A | Western Electric | t | 244A.pdf (673575 bytes) |
| 246A | Western Electric | q | 246A.pdf (605422 bytes) |
| 247A | Western Electric | t | 247A.pdf (688108 bytes) |
| 249B | Western Electric | R° | 249B.pdf (349436 bytes) |
| 24A | RCA | q | 24A.pdf (38016 bytes) |
| 24A (= C324A) | Cunningham | q | 24A.pdf (127497 bytes) |
| 24A | RCA (HB3) | q | 24A.pdf (126610 bytes) |
| 24A | Sylvania | q | 24A.pdf (46253 bytes) (fr) |
| 24ADP4 | Tung-Sol | CRB | 24ADP4.pdf (97743 bytes) |
| 24ADP4 | Sylvania | CRB | 24ADP4.pdf (216799 bytes) |
| 24AEP4 | RCA (HB3) | CRB | 24AEP4.pdf (73775 bytes) |
| 24AEP4 | Sylvania | CRB | 24AEP4.pdf (195019 bytes) |
| 24AHP4 | RCA (HB3) | CRB | 24AHP4.pdf (545177 bytes) |
| 24AHP4 | RCA | CRB | 24AHP4.pdf (750193 bytes) |
| 24AJP4 | Sylvania | CRB | 24AJP4.pdf (211874 bytes) |
| 24ALP4 | GE | 24ALP4.pdf (161387 bytes) | |
| 24AMP4 | Sylvania | CRB | 24AMP4.pdf (214284 bytes) |
| 24ANP4 | Sylvania | CRB | 24ANP4.pdf (257547 bytes) |
| 24AP4 | General Electric | CRB | 24AP4.pdf (180942 bytes) |
| 24AP4 | Tung-Sol | CRB | 24AP4.pdf (105507 bytes) |
| 24AP4A | Tung-Sol | CRB | 24AP4.pdf (105507 bytes) |
| 24AP4B | Tung-Sol | CRB | 24AP4.pdf (105507 bytes) |
| 24AQP4 | Sylvania | CRB | 24AQP4.pdf (253284 bytes) |
| 24ASP4 | Sylvania | 24ASP4.pdf (110591 bytes) | |
| 24ATP4 | Westinghouse | 24ATP4.pdf (79344 bytes) | |
| 24AUP4 | RCA (HB3) | CRB | 24AUP4.pdf (495628 bytes) |
| 24AVP4 | Sylvania | 24AVP4.pdf (107046 bytes) | |
| 24AWP4 | NationalVideoCorp | 24AWP4.pdf (106752 bytes) | |
| 24AXP4 | Sylvania | 24AXP4.pdf (104715 bytes) | |
| 24B1 | Mazda | TGT | 24B1.pdf (114961 bytes) |
| 24B1 | Mazda | TGT | 24B1.pdf (114424 bytes) |
| 24B9 | EEV | SGT | 24B9.pdf (45416 bytes) |
| 24BAP4 | RCA | CRB | 24BAP4.pdf (230580 bytes) |
| 24BCP4 | RaulandCorp | 24BCP4.pdf (99293 bytes) | |
| 24BEP4 | RCA (HB3) | CRB | 24BEP4.pdf (76525 bytes) |
| 24BF11 | General Electric | pP | 24BF11.pdf (86639 bytes) |
| 24BF11 | RCA (RC30) | pP | 6BC4.pdf (510539 bytes) |
| 24BP4 | Tung-Sol | CRB | 24BP4.pdf (99601 bytes) |
| 24C3 | Mazda | TGT | 24C3.pdf (121591 bytes) |
| 24C3 | Mazda | TGT | 24C3.pdf (106822 bytes) |
| 24CP4 | Tung-Sol | CRB | 24CP4.pdf (125292 bytes) |
| 24CP4 | Sylvania | CRB | 24CP4.pdf (211993 bytes) |
| 24CP4A | General Electric | CRB | 24CP4A.pdf (215380 bytes) |
| 24CP4A | Tung-Sol | CRB | 24CP4.pdf (125292 bytes) |
| 24CP4A | Sylvania | CRB | 24CP4.pdf (211993 bytes) |
| 24CP4B | RCA (HB3) | CRB | 24CP4B.pdf (64067 bytes) |
| 24D10GY/125 | Valvo | CRO | 24D10GY125.pdf (346903 bytes) (de) |
| 24DP4 | Tung-Sol | CRB | 24DP4.pdf (123448 bytes) |
| 24DP4 | Sylvania | CRB | 24DP4.pdf (217559 bytes) |
| 24DP4A | General Electric | CRB | 24DP4A.pdf (221104 bytes) |
| 24DP4A | Tung-Sol | CRB | 24DP4.pdf (123448 bytes) |
| 24DP4A | Sylvania | CRB | 24DP4.pdf (217559 bytes) |
| 24JE6A | RCA (HB3) | P | 22JG6A.pdf (67093 bytes) |
| 24JE6A | RMA/EIA | P | 6JE6A.pdf (318660 bytes) |
| 24JE6C | RCA (RC30) | P | 6MG8.pdf (468291 bytes) |
| 24JZ8 | General Electric | tP | 24JZ8.pdf (92294 bytes) |
| 24JZ8 | RCA (RC30) | tP | 6JU8A.pdf (328029 bytes) |
| 24LQ6 | RCA (HB3) | P | 22JG6A.pdf (67093 bytes) |
| 24LQ6 | General Electric | P | 24LQ6.pdf (287299 bytes) |
| 24LQ6 | RCA (RC30) | P | 6MG8.pdf (468291 bytes) |
| 24LZ6 | RCA (HB3) | P | 24LZ6.pdf (29517 bytes) |
| 24QP4 | Tung-Sol | CRB | 24QP4.pdf (123557 bytes) |
| 24T12 | AEI | REL | 24T12.pdf (60226 bytes) |
| 24TP4 | Tung-Sol | CRB | 24TP4.pdf (110594 bytes) |
| 24VP4 | Tung-Sol | CRB | 24VP4.pdf (126159 bytes) |
| 24VP4A | Tung-Sol | CRB | 24VP4.pdf (126159 bytes) |
| 24XP4 | Tung-Sol | CRB | 24XP4.pdf (112870 bytes) |
| 24Y4GT | Hytron | 24Y4GT.pdf (21674 bytes) | |
| 24YP4 | General Electric | CRB | 24YP4.pdf (213328 bytes) |
| 24YP4 | Tung-Sol | CRB | 24YP4.pdf (96629 bytes) |
| 24YP4 | Sylvania | CRB | 24YP4.pdf (225237 bytes) |
| 24ZP4 | Tung-Sol | CRB | 24ZP4.pdf (94080 bytes) |
| 250R | Eimac | R | 250R.pdf (422232 bytes) |
| 250R | Eimac | R | 250R.pdf (1007454 bytes) |
| 250TH | Eimac | T~ | 250TH.pdf (463359 bytes) |
| 250TH | Eimac | T~ | 250TH.pdf (450112 bytes) |
| 250TH | Eimac | T~ | 250TH.pdf (1019595 bytes) |
| 250TL | Eimac | T~ | 250TL.pdf (504677 bytes) |
| 250TL | Eimac | T~ | 250TL.pdf (457425 bytes) |
| 250TL | Eimac | T~ | 250TL.pdf (1052597 bytes) |
| 251A | Western Electric | T~ | 251A.pdf (550132 bytes) |
| 251QQ47 | Tesla | CRO | 251QQ47.pdf (406512 bytes) (cs) |
| 251QQ52 | Tesla | CRT | 251QQ52.pdf (165162 bytes) (cs) |
| 252A | Western Electric | t~ | 252A.pdf (768342 bytes) |
| 253 | Eimac | R | 253.pdf (411634 bytes) |
| 253 | Eimac | R | 253.pdf (989914 bytes) |
| 253A | Western Electric | R° | 253A.pdf (315718 bytes) |
| 254A | Western Electric | T~ | 254A.pdf (359940 bytes) |
| 254B | Western Electric | T~ | 254B.pdf (510431 bytes) |
| 255A | Western Electric | R° | 255A.pdf (386589 bytes) |
| 256A | Western Electric | THY | 256A.pdf (282690 bytes) |
| 257A | Western Electric | t | 257A.pdf (503756 bytes) |
| 258B | Western Electric | R° | 258B.pdf (333330 bytes) |
| 259A | Western Electric | q | 259A.pdf (638109 bytes) |
| 259B | Western Electric | q | 259B.pdf (665245 bytes) |
| 25A6 | RCA | P | 25A6.pdf (86219 bytes) |
| 25A6 | RCA (HB3) | P | 25A6.pdf (116069 bytes) |
| 25A6 | Sylvania | P | 25A6.pdf (75590 bytes) (fr) |
| 25A6 | Tung-Sol | P | 25A6.pdf (110588 bytes) |
| 25A6G | RCA (HB3) | 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 (HB3) | P | 25A6.pdf (116069 bytes) |
| 25A6GT | Tung-Sol | P | 25A6.pdf (110588 bytes) |
| 25A6GT | Hytron | P | 25A6GT.pdf (32373 bytes) |
| 25A7G | RCA (HB3) | rP | 25A7G.pdf (112621 bytes) |
| 25A7G | Sylvania | rP | 25A7G.pdf (45138 bytes) (fr) |
| 25A7G | Tung-Sol | rP | 25A7GT.pdf (81970 bytes) |
| 25A7GT | RCA (HB3) | rP | 25A7G.pdf (112621 bytes) |
| 25A7GT | Sylvania | rP | 6J7GT.pdf (111793 bytes) (fr) |
| 25A7GT | Tung-Sol | rP | 25A7GT.pdf (81970 bytes) |
| 25A7GT | Hytron | rP | 25A7GT.pdf (41819 bytes) |
| 25AC5G | Sylvania | T | 25AC5G.pdf (65879 bytes) (fr) |
| 25AC5G | Tung-Sol | T | 25AC5GT.pdf (120780 bytes) |
| 25AC5G | Triad | T | 25AC5GT-6AE5G.pdf (72922 bytes) |
| 25AC5GT | Tung-Sol | T | 25AC5GT.pdf (120780 bytes) |
| 25AJP22 | RCA (HB3) | CRC | 25AJP22.pdf (389797 bytes) |
| 25AP22 | RMA/EIA | CRC | 25AP22.pdf (1481370 bytes) |
| 25AV5GA | RCA (HB3) | P | 24LZ6.pdf (29517 bytes) |
| 25AV5GA | RCA (HB3) | P | 25AV5GA.pdf (36666 bytes) |
| 25AV5GA | General Electric | P | 6AV5GA.pdf (356672 bytes) |
| 25AV5GA | Tung-Sol | P | 25AV5GA.pdf (198640 bytes) |
| 25AV5GA | RCA (RC30) | P | 6AU8A.pdf (207747 bytes) |
| 25AV5GT | Tung-Sol | P | 25AV5GT.pdf (329127 bytes) |
| 25AX4GT | RCA (HB3) | R | 24LZ6.pdf (29517 bytes) |
| 25AX4GT | RCA (HB3) | R | 25AV5GA.pdf (36666 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) |
| 25B5 | Triad | tT | 25B5-25N6G.pdf (147444 bytes) |
| 25B6G | RCA (HB3) | P | 25B6G.pdf (51118 bytes) |
| 25B6G | Sylvania | P | 25B6G.pdf (58835 bytes) (fr) |
| 25B6G | Tung-Sol | P | 25B6G.pdf (108962 bytes) |
| 25B8GT | RCA (HB3) | tp | 25B8GT.pdf (44965 bytes) |
| 25B8GT | Sylvania | tp | 6J7GT.pdf (111793 bytes) (fr) |
| 25B8GT | Tung-Sol | tp | 25B8GT.pdf (50539 bytes) |
| 25B8GT | Ken-Rad | tp | 25B8GT.pdf (82781 bytes) |
| 25BCP22 | RCA (HB3) | CRC | 25BCP22.pdf (397460 bytes) |
| 25BDP22 | RCA (HB3) | CRC | 25BDP22.pdf (126817 bytes) |
| 25BGP22 | RCA (HB3) | CRC | 25BGP22.pdf (85129 bytes) |
| 25BHP22 | RCA (HB3) | CRC | 25BHP22.pdf (84114 bytes) |
| 25BK5 | RCA (HB3) | P | 25AV5GA.pdf (36666 bytes) |
| 25BK5 | General Electric | P | 6BK5.pdf (314625 bytes) |
| 25BP22 | RMA/EIA | CRC | 25BP22.pdf (141959 bytes) |
| 25BQ6GA | General Electric | P | 6BQ6GA.pdf (354207 bytes) |
| 25BQ6GT | Tung-Sol | P | 25BQ6GT.pdf (330124 bytes) |
| 25BQ6GTB | RCA (HB3) | P | 25AV5GA.pdf (36666 bytes) |
| 25BQ6GTB | General Electric | P | 25AV5GA.pdf (65442 bytes) |
| 25BQ6GTB | RCA (RC30) | P | 6BN11.pdf (549900 bytes) |
| 25BR3 | Toshiba | 6BR3.pdf (90838 bytes) | |
| 25C5 | RCA (HB3) | P | 25C5.pdf (207788 bytes) |
| 25C5 | RCA | P | 25C5.pdf (204665 bytes) |
| 25C5 | General Electric | P | 50C5.pdf (451047 bytes) |
| 25C5 | Tung-Sol | P | 25C5.pdf (88508 bytes) |
| 25C5 | RCA (RC30) | P | 50C5.pdf (246817 bytes) |
| 25C6G | Sylvania | P | 25C6G.pdf (49027 bytes) (fr) |
| 25C6G | Tung-Sol | P | 25C6G.pdf (109901 bytes) |
| 25C6G | Sylvania | P | 25C6G.pdf (43514 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) |
| 25CD6GA | RCA (HB3) | P | 25CD6GA.pdf (22188 bytes) |
| 25CD6GB | RCA (HB3) | P | 25CD6GB.pdf (47475 bytes) |
| 25CD6GB | RCA | P | 25CD6GB.pdf (319595 bytes) |
| 25CD6GB | General Electric | P | 6CD6GA.pdf (417930 bytes) |
| 25CD6GB | Tung-Sol | P | 25CD6GB.pdf (93015 bytes) |
| 25CD6GB | RCA (RC30) | P | 6BY6.pdf (790979 bytes) |
| 25CG3 | RCA (HB3) | R | 25CD6GB.pdf (47475 bytes) |
| 25CG3 | General Electric | R | 25CG3.pdf (85654 bytes) |
| 25CG3 | RCA (RC30) | R | 6BY6.pdf (790979 bytes) |
| 25CK3 | RCA (HB3) | R | 25CD6GB.pdf (47475 bytes) |
| 25CM3 | RCA (HB3) | R | 25CD6GB.pdf (47475 bytes) |
| 25CR5 | CanadianWestinghouse | P | 6CR5.pdf (179265 bytes) |
| 25CT3 | RCA (HB3) | R | 25CD6GB.pdf (47475 bytes) |
| 25CU6 (= 25BQ6GTB) | RCA (HB3) | P | 25AV5GA.pdf (36666 bytes) |
| 25CU6 | General Electric | P | 6CU6.pdf (345900 bytes) |
| 25CU6 | Tung-Sol | P | 25CU6.pdf (92033 bytes) |
| 25CU6 | RCA (RC30) | P | 6BN11.pdf (549900 bytes) |
| 25D4 | Tung-Sol | R | 25D4.pdf (77309 bytes) |
| 25D8GT | Tung-Sol | dtp | 25D8GT.pdf (50052 bytes) |
| 25D8GT | Arcturus | dtp | 25D8GT.pdf (104955 bytes) |
| 25DK3 | General Electric | R | 25DK3.pdf (210441 bytes) |
| 25DK4 | GE | 25DK4.pdf (157179 bytes) | |
| 25DL3 | RCA (RC30) | R | 6DE4.pdf (380118 bytes) |
| 25DN6 | RCA (HB3) | P | 25DN6.pdf (106307 bytes) |
| 25DN6 | General Electric | P | 25DN6.pdf (417145 bytes) |
| 25DN6 | Sylvania | P | 6DN6.pdf (137331 bytes) |
| 25DN6 | Tung-Sol | P | 25DN6.pdf (198490 bytes) |
| 25DN6 | Sylvania | P | 6DN6.pdf (417905 bytes) |
| 25DP4 | Sylvania | CRB | 25DP4.pdf (297381 bytes) |
| 25DQ6A | Tung-Sol | P | 25DQ6A.pdf (163308 bytes) |
| 25DT5 | Sylvania | P | 6DT5.pdf (159027 bytes) |
| 25DT5 | Tung-Sol | P | 25DT5.pdf (204951 bytes) |
| 25EC6 | General Electric | P | 25EC6.pdf (401736 bytes) |
| 25EC6 | Tung-Sol | P | 25EC6.pdf (243235 bytes) |
| 25EH5 | RCA (HB3) | P | 25EH5.pdf (12548 bytes) |
| 25EH5 | Sylvania | P | 6EH5.pdf (140273 bytes) |
| 25EH5 | Tung-Sol | P | 25EH5.pdf (138587 bytes) |
| 25EH5 | General Electric | P | 25EH5.pdf (46545 bytes) |
| 25EH5 | RCA (RC30) | P | 6EA8.pdf (574278 bytes) |
| 25EP4 | Sylvania | CRB | 25DP4.pdf (297381 bytes) |
| 25F5 | Sylvania | P | 25F5.pdf (427437 bytes) |
| 25F5A | RCA (HB3) | p | 25F5A.pdf (219276 bytes) |
| 25GF6 | Ediswan | 25GF6.pdf (450332 bytes) | |
| 25HP4 | RMA/EIA | CRB | 25HP4.pdf (319898 bytes) |
| 25JQ6 | RCA (HB3) | dP | 25JQ6.pdf (18387 bytes) |
| 25JZ8 | General Electric | tP | 25JZ8.pdf (77847 bytes) |
| 25JZ8 | RCA (RC30) | tP | 6JU8A.pdf (328029 bytes) |
| 25L6 | RCA | P | 25L6.pdf (45146 bytes) |
| 25L6 | Sylvania | P | 25L6.pdf (63037 bytes) (fr) |
| 25L6 | RCA | P | 25L6.pdf (172763 bytes) |
| 25L6G | Sylvania | P | 25L6.pdf (63037 bytes) (fr) |
| 25L6GT | General Electric | P | 25L6GT.pdf (341055 bytes) |
| 25L6GT | Sylvania | P | 6J7GT.pdf (111793 bytes) (fr) |
| 25L6GT | Tung-Sol | P | 25L6GT.pdf (171333 bytes) |
| 25L6GT | Brimar | P | 25L6GT.pdf (69118 bytes) |
| 25L6GT | RCA (RC30) | P | 50C5.pdf (246817 bytes) |
| 25L6GTY | Brimar | P | 25L6GT.pdf (69118 bytes) |
| 25MP4 | Mazda-Belvu | CRB | 25MP4.pdf (377466 bytes) (fr) |
| 25N6G | RCA (HB3) | tT | 25N6G.pdf (44232 bytes) |
| 25N6G | Tung-Sol | tT | 25N6G.pdf (43627 bytes) |
| 25PA91 | Tesla | PHT° | 25PA91.pdf (271306 bytes) (cs) |
| 25QP20 | Tesla | CRB | 25QP20.pdf (647908 bytes) (cs) |
| 25QP20 | Tesla | CRB | 25QP20.pdf (286731 bytes) (cs) |
| 25QP21 | Tesla | CRO | 25QP21.pdf (266752 bytes) (cs) |
| 25RK19 (= 25BR3) | Toshiba | 6BR3.pdf (90838 bytes) | |
| 25S (= 1B5) | RCA | ddt | 1B5.pdf (38735 bytes) |
| 25S (= 1B5) | RCA (HB3) | 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) |
| 25T | Eimac | T~ | 25T.pdf (975603 bytes) |
| 25U4GT | STC/Brimar | R | 25U4GT.pdf (65459 bytes) |
| 25VABP22 | RCA (HB3) | CRC | 25VABP22.pdf (504919 bytes) |
| 25W4GT | General Electric | R | 6W4GT.pdf (168492 bytes) |
| 25W4GT | Tung-Sol | R | 25W4GT.pdf (75155 bytes) |
| 25W6GT | General Electric | P | 6W6GT.pdf (599369 bytes) |
| 25W6GT | Tung-Sol | P | 25W6GT.pdf (207984 bytes) |
| 25X6GT | Arcturus | rr | 25X6GT.pdf (65646 bytes) |
| 25XP22 | RCA (HB3) | CRC | 25XP22.pdf (500145 bytes) |
| 25Y5 | RCA (HB3) | rr | 25Y5.pdf (34515 bytes) |
| 25Y5 | Sylvania | rr | 25Y5.pdf (158170 bytes) (fr) |
| 25Y5 | Sylvania | rr | 25Y5.pdf (38960 bytes) |
| 25YP22 | RCA (HB3) | CRC | 25YP22.pdf (88220 bytes) |
| 25Z4 | Brimar | r | 25L6GT.pdf (69118 bytes) |
| 25Z4 | Ken-Rad | r | 25Z4.pdf (22752 bytes) |
| 25Z4GT | Hytron | r | 25Z4GT.pdf (23808 bytes) |
| 25Z5 | RCA | rr | 25Z5.pdf (63288 bytes) |
| 25Z5 | Sylvania | rr | 25Y5.pdf (158170 bytes) (fr) |
| 25Z5 | Tung-Sol | rr | 25Z5.pdf (111441 bytes) |
| 25Z6 | RCA | rr | 25Z6.pdf (50707 bytes) |
| 25Z6 | Sylvania | rr | 25Z6.pdf (140832 bytes) (fr) |
| 25Z6 | Tung-Sol | rr | 25Z5.pdf (111441 bytes) |
| 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 | Sylvania | rr | 6J7GT.pdf (111793 bytes) (fr) |
| 25Z6GT | Tung-Sol | rr | 25Z6GT.pdf (106218 bytes) |
| 25Z6GT | Hytron | rr | 25Z6GT.pdf (26242 bytes) |
| 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 (HB3) | 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) |
| 264 | Eimac | P~ | 264.pdf (1115019 bytes) |
| 264B | Western Electric | t | 264B.pdf (561220 bytes) |
| 2650 | Philips-Signetics | CPU | 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 (HB3) | p | 26A6.pdf (216027 bytes) |
| 26A7GT | RCA (HB3) | PP | 26A7GT.pdf (282724 bytes) |
| 26A7GT | Tung-Sol | PP | 26A7GT.pdf (168060 bytes) |
| 26BK6 | Tung-Sol | ddt | 26BK6.pdf (171318 bytes) |
| 26BK6 | Sylvania | ddt | 26BK6.pdf (35289 bytes) |
| 26C6 | RCA (HB3) | ddt | 26C6.pdf (110423 bytes) |
| 26D10GH/125 | Valvo | CRO | 26D10GH125.pdf (356800 bytes) (de) |
| 26D6 | RCA (HB3) | H | 26D6.pdf (222103 bytes) |
| 26E6G | Tung-Sol | 26E6G.pdf (35134 bytes) | |
| 26E6WG | Tung-Sol | P | 26E6WG.pdf (95992 bytes) |
| 26E6WG | Tung-Sol | P | 26E6WG.pdf (92741 bytes) |
| 26E6WG (= 26E6G) | Tung-Sol | P | 26E6G.pdf (35134 bytes) |
| 26HU5 | RCA (RC30) | P | 26HU5.pdf (133621 bytes) |
| 26LX6 | General Electric | P | 26LX6.pdf (461401 bytes) |
| 26LX6 | RCA (RC30) | P | 26HU5.pdf (133621 bytes) |
| 26MG4 | Mazda | CRB | 26MG4.pdf (91072 bytes) (fr) |
| 26N6G | Triad | 25B5-25N6G.pdf (147444 bytes) | |
| 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 (HB3) | 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) |
| 27ABP4 | NationalVideoCorp | 27ABP4.pdf (138405 bytes) | |
| 27ACP4 | Sylvania | CRB | 27ACP4.pdf (326233 bytes) |
| 27ADP4 | Sylvania | CRB | 27ADP4.pdf (311520 bytes) |
| 27AFP4 | Sylvania | CRB | 27ADP4.pdf (311520 bytes) |
| 27AGP4 | NationalVideoCorp | 27AGP4.pdf (139248 bytes) | |
| 27AP4 | Tung-Sol | CRB | 27AP4.pdf (114027 bytes) |
| 27C12 | AEI | PHT | 27C12.pdf (101610 bytes) |
| 27EP4 | General Electric | CRB | 27EP4.pdf (220789 bytes) |
| 27EP4 | Tung-Sol | CRB | 27EP4.pdf (124123 bytes) |
| 27GB5 | RCA (RC30) | P | 6GB5.pdf (411522 bytes) |
| 27GP4 | Tung-Sol | CRB | 27GP4.pdf (117604 bytes) |
| 27GP4 | Sylvania | CRB | 27GP4.pdf (206871 bytes) |
| 27J12 | AEI | PHT° | 27J12.pdf (108385 bytes) |
| 27LP4 | Tung-Sol | CRB | 27LP4.pdf (131507 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) |
| 27MP4 | Tung-Sol | CRB | 27MP4.pdf (124376 bytes) |
| 27NP4 | Tung-Sol | CRB | 27NP4.pdf (118778 bytes) |
| 27NP4 | Sylvania | CRB | 27NP4.pdf (220418 bytes) |
| 27RP4 | General Electric | CRB | 27RP4.pdf (221058 bytes) |
| 27RP4 | Tung-Sol | CRB | 27RP4.pdf (122107 bytes) |
| 27SP4 | Tung-Sol | CRB | 27SP4.pdf (126963 bytes) |
| 27SP4 | Sylvania | CRB | 27SP4.pdf (223539 bytes) |
| 27UP4 | NationalVideoCorp | CRB | 27UP4.pdf (109009 bytes) |
| 27VP4 | NationalVideoCorp | CRB | 27VP4.pdf (110218 bytes) |
| 27WP4 | Matsushita | CRB | 27WP4.pdf (93140 bytes) |
| 27XP4 | Sylvania | CRB | 27XP4.pdf (307751 bytes) |
| 27YP4 | NationalVideoCorp | CRB | 27YP4.pdf (123507 bytes) |
| 27ZP4 | Sylvania | CRB | 27ZP4.pdf (253100 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) |
| 28HA6 | RMA/EIA | P | 6HA6.pdf (130987 bytes) |
| 28HD5 | Raytheon | P | 6HD5.pdf (446846 bytes) |
| 28Z5 | Sylvania | rr | 28Z5.pdf (37994 bytes) |
| 290 | Eimac | P~ | 290.pdf (1431150 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) |
| 29D2 | Mazda | VGT | 29D2.pdf (51021 bytes) |
| 29KQ6 | RCA (RC30) | P | 21KA6.pdf (194257 bytes) |
| 29LE6 | RCA (RC30) | P | 29LE6.pdf (252445 bytes) |
| 2A21 | WECo | 2A21.pdf (43063 bytes) | |
| 2A22 | WECo | 2A22.pdf (45634 bytes) | |
| 2A3 | RCA | T | 2A3.pdf (141927 bytes) |
| 2A3 | RCA (HB3) | T | 2A3.pdf (197658 bytes) |
| 2A3 | Sylvania | T | 2A3.pdf (19050 bytes) (fr) |
| 2A3 | Tung-Sol | T | 2A3.pdf (170123 bytes) |
| 2A3 | Brimar | T | 1U5.pdf (41369 bytes) |
| 2A3-40W | JJ | T | 2A3-40W.pdf (171679 bytes) |
| 2A4G | RCA (HB3) | THY | 2A4G.pdf (27906 bytes) |
| 2A4G | Sylvania | THY | 2A4G.pdf (57393 bytes) (fr) |
| 2A4G | Tung-Sol | THY | 2A4G.pdf (34145 bytes) |
| 2A4G | Philco | THY | 2A4G.pdf (70538 bytes) |
| 2A5 | RCA | P | 2A5.pdf (39582 bytes) |
| 2A5 | RCA (HB3) | 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 (HB3) | 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 (HB3) | H | 2A7.pdf (88116 bytes) |
| 2A7 | Sylvania | H | 2A7.pdf (18598 bytes) (fr) |
| 2A7 | Tung-Sol | H | 2A7.pdf (88120 bytes) |
| 2AF4 | General Electric | t | 6AF4.pdf (277993 bytes) |
| 2AF4 | Tung-Sol | t | 2AF4.pdf (100263 bytes) |
| 2AF4A | General Electric | t | 6AF4A.pdf (291929 bytes) |
| 2AF4A | Tung-Sol | t | 2AF4.pdf (100263 bytes) |
| 2AF4B | Tung-Sol | t | 2AF4B.pdf (98767 bytes) |
| 2AF4B | RCA (RC30) | t | 6AB4.pdf (283760 bytes) |
| 2AH2 | RCA (RC30) | R | 2AV2.pdf (184393 bytes) |
| 2AP1 | Tung-Sol | CRO | 2AP1.pdf (94800 bytes) |
| 2AP1A | RCA (HB3) | CRO | 2AP1A.pdf (185676 bytes) |
| 2AP1A | Sylvania | CRO | 2AP1A.pdf (136884 bytes) |
| 2AP1A | Sylvania | CRO | 2AP1A.pdf (147922 bytes) |
| 2AS2 | RCA (HB3) | R | 2AS2.pdf (82906 bytes) |
| 2AS2 | Tung-Sol | R | 2AS2.pdf (74884 bytes) |
| 2AS2A | General Electric | R | 2AS2A.pdf (320010 bytes) |
| 2AS2A | RCA (RC30) | R | 1V2.pdf (134324 bytes) |
| 2AV2 | RCA (HB3) | R | 2AV2.pdf (77001 bytes) |
| 2AV2 | General Electric | R | 2AV2.pdf (171546 bytes) |
| 2AV2 | RCA (RC30) | R | 2AV2.pdf (184393 bytes) |
| 2AZ2 | RMA/EIA | R | 2AZ2.pdf (144579 bytes) |
| 2B22 | GE | d | 2B22.pdf (55495 bytes) |
| 2B25 | Raytheon | R | 2B25.pdf (28573 bytes) |
| 2B3 | General Electric | R | 2B3.pdf (184867 bytes) |
| 2B33 | NEC | Q~ | 2B33.pdf (705100 bytes) |
| 2B4 | Du Mont | t° | 2B4.pdf (79126 bytes) |
| 2B5 | Sylvania | tt | 2B5.pdf (62887 bytes) |
| 2B7 | RCA | ddp | 2B7.pdf (38413 bytes) |
| 2B7 | RCA (HB3) | ddp | 2B7.pdf (78274 bytes) |
| 2B7 | Sylvania | ddp | 2B7.pdf (20794 bytes) (fr) |
| 2B7 | Tung-Sol | ddp | 2B7.pdf (73844 bytes) |
| 2BA2 | RMA/EIA | R | 2BA2.pdf (102318 bytes) |
| 2BJ2 | RCA (HB3) | R | 2BJ2.pdf (63853 bytes) |
| 2BN4 | RCA (HB3) | t | 2BN4.pdf (26352 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) |
| 2BN4A | RCA (RC30) | t | 6BK7B.pdf (267906 bytes) |
| 2BP1 | RCA (HB3) | CRO | 2BP1.pdf (323663 bytes) |
| 2BP1 | Sylvania | CRO | 2BP1.pdf (184972 bytes) |
| 2BP11 | RCA (HB3) | CRO | 2BP1.pdf (323663 bytes) |
| 2-23E | 23E-2B | 2B-2Z |
|---|