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50A2 Pinout
basing pinout

 
50A2 Substitutes
Close or identical 145, 245, 345, 45, 45A, A245, CV610, EX645, FR304, G45, L45, MX245, PX2450, T45, UX245, VT45

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.

 
50A2 Ratings
Vh
V		 Ih
A
2.5 1.5

 
50A2 Application Data
Class Va
V		 Vg1
V		 Ia
mA		 Ra
Ω		 S
mA/V		 Rk
Ω		 Zout
Ω		 Pout
W
A S/E 250 -50.0 36.0 1,600 2.2 1,500 3,900 1.6

 
50A2 Data sheet links
Duncan''s Amp Pages 45: Acrobat PDF
The Valve Museum 45: html
oldradio.qrz.ru 45: Brans Vademecum
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 45: 45.pdf (135718 bytes), 45.pdf (172919 bytes), 45.pdf (235705 bytes), 45.pdf (41300 bytes), 45.pdf (74858 bytes) (fr)  50A2: 50A2.pdf (54970 bytes)
TubeZone 45: pdf

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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