Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 46581
Brand: Intermetall Halbleiterwerk, Düsseldorf
Tube type:  Transistor   Universal 
Identical to BFY91
Similar Tubes
Normally replaceable-slightly different:
  2N2917 ; BFY92 ; IBM-251_TI ; IBM-256_TI

Base Wires
Description Dual NPN silicon planar transistors for differential amplifier applications.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
9 x 7 x 8 mm / 0.35 x 0.28 x 0.31 inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   KTT 1969/70, TVT 1979/80 ECA

BFY91: ITT Schaltbeispiele 1967 Nr.57b
Günther Stabe † 19.8.20

bfy9192_s.gif BFY91: tvt 1979/80
Günther Stabe † 19.8.20

BFY91: Funktechnik 13/65
Egon Strampe

Collection of



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]

Data Compliance More Information