Antique radios, Old Time Radios

OC400

ID = 34147

Country:

Germany

Brand:	Intermetall Halbleiterwerk, Düsseldorf
Tube type:	Transistor Frequency converter

Identical to

OC400

Similar Tubes

Other shape (e.g. bulb type):

OC44

Normally replaceable-slightly different:

GF100 ; GFT44 ; OC872 ; OX4003 ; OX4005 ; TF44

First Source (s)

Mar.1957 : -- Collector info (Sammler)

Successor Tubes

OC410

Base	Wires
Filament	Solid State
Description	PNP germanium junction transistor for AM broadcast mixer / oscillator applications. - Text in other languages (may differ)
Dimensions (WHD) incl. pins / tip	7 x 10 x mm / 0.28 x 0.39 x inch
Weight	1 g / 0.04 oz
Information source	-- Collector info (Sammler) KTT 1969/70, TVT 1979 ECA


	OC400: TEFI KC1/Ko-Ba Günther Stabe

OC400: G.S.
Günther Stabe

OC400: TVT 73
Günther Stabe

Usage in Models

6= 1958 ; 3= 1959 ; 1= 1960?? ; 1= 1960? ; 1= 1960

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):12

Collection of Günther Stabe (D)

Collection of Peter Roggenhofer † 25.4.18 (A)

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