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2SB221

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ID = 52707
       
Country:
Japan
Brand: NEC Corporation, Nippon Electric Co. Ltd. (Nippon Denki); Tokyo
Tube type:  Transistor   Power/Output 
Identical to 2SB221
Similar Tubes
Normally replaceable-slightly different:
  2SB219 ; 2SB220 ; 2SB223 ; AC128

Base Wires
Description PNP germanium alloy transistor intended as AF low power amplifier / driver / switch.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
9 x 7 x 9 mm / 0.35 x 0.28 x 0.35 inch
Weight 1 g / 0.04 oz
Information source - - -   
- - -   KTT 1969/70
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2sb221.png
2SB221: Funkschau 11/65 S.290
Egon Strampe

to5_tvt_366.gif 2SB221
Günther Stabe † 19.8.20

Usage in Models 1= 1960?? ; 1= 1964 ; 1= 1971?

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

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