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5651 Pinout
basing pinout
Note: pins 3 and 6 are internal connections

 
5651 Substitutes
Close or identical CK5651, CV2573, CV5188
Different rating or performance 5651A, 5651WA

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.

 
5651 Ratings
Notes
Supply voltage 150V max

 
5651 Application Data
Class Va
V		 Ia
mA		 Notes
Voltage regulator 87 1.5 - 3.5 Strike = 115V, regulation = 3.0V

 
5651 Data sheet links
The Valve Museum 5651: html
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 5651: 5651.pdf (140731 bytes), 5651.pdf (70200 bytes), 5651.pdf (76009 bytes)  5651A: 2050.pdf (813252 bytes), 5651A.pdf (148383 bytes)  5651WA: 5651WA.pdf (266712 bytes)

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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