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ID = 56900
Brand: Common type Australia tube/semicond.
Tube type:  Transistor   RF/IF-Stage 
Identical to AT321
Similar Tubes
Normally replaceable-slightly different:
  2N3566 ; 2N3694 ; AT312 ; AT318 ; AT341 ; BF194 ; SE1002
Other base and data slightly different:
  BC107 ; BF184

Base Wires
Filament Solid State

NPN planar silicon high-frequency transistor

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
6 x 5 x 4 mm / 0.24 x 0.20 x 0.16 inch
Weight 1 g / 0.04 oz
Information source
AT321: Own collection.
Stuart Irwin

AT321: TTT Steidle 1981
Günther Stabe


Usage in Models 6= 1967 ; 21= 1968 ; 4= 1969 ; 43= 1970 ; 1= 1971? ; 7= 1971

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):82

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