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38157B

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ID = 6939
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to 38157B = 857B

Base Wires Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 5 Volts / If 30 Ampere / Direct
Description

22KV PIV, 10A average with forced air cooling; 14V typical voltage drop.
US Navy code for type 857B.

 
Dimensions (WHD)
incl. pins / tip
x 495 x 183 mm / x 19.49 x 7.20 inch
Weight 1650 g / 58.20 oz
Information source Tube Lore (II)   p. 79 & 182
Tube Lore (I)   
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

38157b_so.png 38157B
Anonymous 10 Collector

 

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