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ID = 64010
Great Britain (UK)
Brand: Ferranti, GB
Developer: Ferranti, GB 
Tube type:  Transistor   Power/Output 
Identical to BFS61
Similar Tubes
Other shape (e.g. bulb type):
  BFS61K ; BFS61L
Normally replaceable-slightly different:

Base Wires Wires only.

General-purpose medium power NPN silicon planar transistor.

Plastic E-Line SO-94 BS3934

Vcb0 <80V; Vce0 <60V; Ic <1A

P <500mW at 25oC ambient or 2W at 25oC case temperature.

fT >150, 200MHz typical;

hFE 40-160 at 150mA, >25 at 10mA, >10 at 1A.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
5 x 4 x 2 mm / 0.20 x 0.16 x 0.08 inch
Weight 1 g / 0.04 oz
Information source - - Manufacturers Literature   Data Sheet November 1974
-- Collector info (Sammler)   TTT 1981 Steidle, Towers ITVL

b_58_x_59~~10.gif BFS61: TTT Steidle 1981
Günther Stabe † 19.8.20

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