Isolation
WE274B is a glass-enclosed eight-pin direct-heated full-wave rectifier tube, similar to 5U4G and 5Z3P, and can be used interchangeably.
Filament heating: Uf....................5V
If ...................... 2A
Limit rating: Anode reverse voltage peak............1550V
Anode current peak............750mA
Recommended working status
Anode power supply voltage 2×500V
Impedance per arm 75
Load impedance 2000
Filter capacitor 4F
Rectification current 220mA