KR 274B Tube

 

KR 274B Tube

Filament  specifications:  DC/AC  Voltage 5V

                                        DC/AC  Current 2A

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

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