274B
Specification
Filament specifications:
- DC/AC Voltage 5 V
- DC/AC Current 2 A
Full-wave, Thermionic High Vacuum Rectifier
Maximum Ratings
With Choke-Input Filter:
- A-C Plate Voltage per Plate (RMS) 660 volts
- D-C Output Current 225 ma
- Minimum Input-Choke Inductance 2 henrys
With Capacitor-Input Filter:
- A-C Plate Voltage per Plate (RMS) 450 volts
- D-C Output Current 160 ma
- Min. Total Eff. Plate-Supply Impedance per Plate 100 ohms
- Input capacitor should not exceed 10 micro farads