Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 39120
United States of America (USA)
Brand: Texas Instruments, Dallas
Tube type:  Transistor   Universal 
Identical to IBM-256_TI
Similar Tubes
Normally replaceable-slightly different:
  BFY91 ; BFY92 ; IBM-251_TI ; LM394_NSC

Base Wires
Filament Solid State

Two similar NPN silicon transistors intended as differential amplifier.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
9 x 5 x 8 mm / 0.35 x 0.20 x 0.31 inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   IBM part list 1966
  IBM-256_TI: G.S.
Günther Stabe
IBM-256_TI: G.S.
Günther Stabe

IBM-256_TI: TTT Steidle 1981
Günther Stabe


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]