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ID = 4203
United States of America (USA)
Brand: RCA (RCA Victor Co. Inc.); New York (NY)
Tube type:  Triode, vacuum   VHF 
Identical to 2BN4
Similar Tubes
Heater different:

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 2.3 Volts / If 0.6 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
- - Manufacturers Literature   

2BN4: corrected version
Roland Langfeld

2bn4_so.png 2BN4: ARRL Handbook 1972
Anonymous 10 Collector

Just Qvigstad
2BN4: Manufacturer's Literature
Emilio Ciardiello

Usage in Models 8= 1956? ; 12= 1956 ; 188= 1957? ; 124= 1958? ; 8= 1958 ; 8= 1959? ; 1= 1970?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):349

Collection of



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