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NA31

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ID = 45775
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Transistor   Power/Output 
Identical to NA31
Similar Tubes
Different maximum ratings:
  BC338

Base Wires
Description NPN silicon low power BJT Amplifier.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
5 x 7 x 4 mm / 0.20 x 0.28 x 0.16 inch
Weight 1 g / 0.04 oz
Information source -- Schematic   Towers IVT

na31_sch.png
NA31: National Semiconductor 1978
Heinz Höger

to237_1.gif NA31: National Semiconductor
Günther Stabe † 19.8.20

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na31_dat_1.png
NA31: National Semiconductor 1978
Heinz Höger

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Usage in Models 1= 1972?? ; 9= 1976? ; 4= 1980

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):14
 

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