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4P1

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ID = 70174
       
Country:
France
Brand: Thomson (marque), Thomson-Houston (CFTH); Paris
Tube type:  Transistor   RF/IF-Stage 
Identical to 4P1
Similar Tubes
Normally replaceable-slightly different:
  BF195

Base Wires
Description

NPN silicon high frequency transistor intended as IF amplifier

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
6 x 12 x mm / 0.24 x 0.47 x inch
Weight 1 g / 0.04 oz
Information source -- Schematic   

Usage in Models 1= 1974??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 

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