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2N1728

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ID = 86570
       
Country:
United States of America (USA)
Brand: Philco, Philadelphia Stg. Batt. Co.; USA
Tube type:  Transistor   RF/IF-Stage 
Identical to 2N1728

Base SPECIAL TUBEBASE in general
Description

PNP germanium alloy high-frequency transistor.
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Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
9 x 7 x mm / 0.35 x 0.28 x inch
Weight 2 g / 0.07 oz
Information source -- Collector info (Sammler)   

Usage in Models 2= 1962

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
 

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