Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 42935
Brand: Intermetall Halbleiterwerk, Düsseldorf
Tube type:  Transistor   RF/IF-Stage 
Identical to BF123
Similar Tubes
Normally replaceable-slightly different:
  BF199 ; BF224

Base Wires
Filament Solid State
Description NPN silicon planar epitaxial high-frequency transistor intended as TV IF amplifier.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
5 x 3 x 5 mm / 0.20 x 0.12 x 0.20 inch
Weight 1 g / 0.04 oz
Information source - - Manufacturers Literature   Intermetall
  BF123: Intermetall
Günther Stabe
BF123: Ebay:michaelwalther1946
Günther Stabe

BF123: Intermetall
Günther Stabe

BF123: ITT_Transistoren 1971_72
Thomas Günzel

Usage in Models 1= 1968 ; 3= 1969 ; 2= 1970?? ; 1= 1970? ; 1= 1970 ; 1= 1971? ; 1= 1972

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):10

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]