PSVANE 5U4G vacuum tube Replace 5Z3 5U4G 274B GZ34 electronic tube for amplifier factory precise matching
5U4G is a glass shell eight-pin direct thermal full-wave rectifier tube, similar to 274B and 5Z3P, and can be used interchangeably.
Filament heating
Uf..................5V
If............ 3A
limit rating
Anode reverse voltage peak............1550V
Anode current peak ......675mA
Recommended work status
Anode supply voltage 2×500V
Impedance 75Ω per arm
Load impedance 2000Ω
Filter capacitor 40μF
Rectified current ?230mA