Buisgegevens JAN-274B (Algemeen)

door John Hupse † , Schoonhoven, 14.08.2008, 20:22 (5946 dagen geleden) @ Hugo Sneyers

Is de militaire versie van de WE 274B gelijkrichter (1933). Zie voor de aansluitingen de 5AR4, 5R4 of 5U4.

General Characteristics

Electrical Data
Filament Voltage...........................5.0 volts
Filament Current..........................2.0 amps

MECHANICAL DATA

Cathode ...........................Coated filament
Bulb..................................................ST16
Base..........................Medium 5-pin, octal
Mounting Position.........Preferably vertical; if horizontal, pins #1 and 4 should be in vertical plane.

Maximum Ratings

Design-Center Values
Peak Inverse Voltage .................................................1500 volts
Peak Plate Current per Plate...........................................675 ma
Peak Transient Plate Current per Plate.........................2.5 amps

With Choke-Input Filter:
A-C Plate Voltage per Plate (RMS)............................660 volts
D-C Output Current .....................................................225 ma
Minimum Input-Choke Inductance.............................3 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

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