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BF219

Information - Help 
ID = 59407
       
Country:
Great Britain (UK)
Brand: BTH (B.T.H.), British Thomson-Houston Co, Ltd.
Tube type:  Transistor   RF/IF-Stage 
Identical to BF219 = RF4
Similar Tubes
Normally replaceable-slightly different:
  BF254
Other base and data slightly different:
  2SC2210

Base Wires
Was used by Radio/TV-reception etc.
Description

NPN silicon planar transistor intended as AM pre-stage amplifier / mixer / oscillator

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
6 x 7 x 5 mm / 0.24 x 0.28 x 0.20 inch
Weight 1 g / 0.04 oz
Information source

to_98~~11.gif BF219: TTT Steidle 1981
Günther Stabe † 19.8.20

Usage in Models 1= 1967? ; 1= 1968? ; 1= 1968 ; 2= 1969??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5
 

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