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12J5 Pinout
basing pinout

 

12J5 Substitutes
Close or identical 12J5GT, CV534, CV535, VT135, VT135A
Different filament voltage 6J5, 6J5G, 6J5GT, CV1067, CV1932, CV1933, CV1934, VR67, VT94, VT94A, VT94B, VT94C, VT94D

Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application.

 

12J5 Ratings
Vh Ih VaMax PaMax Cgk Cak Cga
12.6 0.15 300 2.5 3.4 3.6 3.4

 

12J5 Application Data
Class Va Vg1 Ia Ra S
A 90 0.0 10.0 6,700 3.0
A 250 8.0 9.0 7,700 2.6

 

12J5 Data sheet links
National Valve Museum VT135: html  6J5G: html2, html3
oldradio.qrz.ru 12J5: MK buizen handboek  6J5G: Brans Vademecum
Frank Philipse 12J5: .gif file, 093/1/12J5.pdf  12J5GT: 121/6/6J7GT.pdf  6J5: 082/6/6J5.pdf, 093/6/6J5.pdf, 121/6/6J5.pdf  6J5GT: 121/1/1A5GT.pdf
Frank Philipse (Pocnet mirror - Patrik Schindler) 12J5: 12J5.pdf (140517 bytes), 12J5.pdf (255624 bytes)  12J5GT: 12C8.pdf (29597 bytes), 12J5GT.pdf (209477 bytes), 12J5GT.pdf (62923 bytes), 6J7GT.pdf (111793 bytes) (fr)  6J5: 6J5.pdf (139164 bytes), 6J5.pdf (199190 bytes), 6J5.pdf (217368 bytes), 6J5.pdf (316272 bytes), 6J5.pdf (62311 bytes) (fr), 6J5.pdf (66104 bytes) (de)  6J5G: 6J5G.pdf (36823 bytes)  6J5GT: 1A5GT.pdf (90355 bytes) (fr), 6A8GTX.pdf (438870 bytes), 6H6G.pdf (56206 bytes)
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 12J5: 12J5.pdf (140517 bytes), 12J5.pdf (255624 bytes)  12J5GT: 12C8.pdf (29597 bytes), 12J5GT.pdf (209477 bytes), 12J5GT.pdf (62923 bytes), 6J7GT.pdf (111793 bytes) (fr)  6J5: 6J5.pdf (139164 bytes), 6J5.pdf (199190 bytes), 6J5.pdf (217368 bytes), 6J5.pdf (316272 bytes), 6J5.pdf (62311 bytes) (fr), 6J5.pdf (66104 bytes) (de)  6J5G: 6J5G.pdf (36823 bytes)  6J5GT: 1A5GT.pdf (90355 bytes) (fr), 6A8GTX.pdf (438870 bytes), 6H6G.pdf (56206 bytes)
Virtual Valve Museum CV1932: HTML page

Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. Please see the substitutes at the top of the page for more details

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