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