Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 37233
Brand: Common type Worldwide tube/semicond.
Tube type:  Transistor   VHF 
Identical to 2N3553 = BFY99
Similar Tubes
Normally replaceable-slightly different:
  2N3924 ; 2N4350 ; BFW47 ; BFY44
Different maximum ratings:
First Source (s)
Mar.1967 : -- Collector info (Sammler)

Base Wires

NPN silicon planar medium power transistor intended as high-frequency amplifier / transmitter

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 2 g / 0.07 oz
Information source -- Collector info (Sammler)   KTT 1969/70, TTT Steidle 1981

2N3553: RCA Transistor Manual
Heinz Höger

to5_tvt_58.gif 2N3553: TVT 73
Günther Stabe † 19.8.20

2N3553: Motorola
Heinz Höger

More ...
Usage in Models 1= 1968 ; 1= 1970? ; 1= 1972?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):3

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