Antique radios, Old Time Radios

OC70

Country:	Europe		Brand:	Common type Europe
			Tube type:	Transistor Audio Frequency

Tube ID = 33764


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Identical to	OC70
Similar Tubes	Other shape (e.g. bulb type): AC122; AC125; AC151; OC303 Normally replaceable-slightly different: 991T1; OC1070; OC302; OC602; OC603; OC71; SFT101; SFT153 Different maximum ratings: GFT20 Other characteristic (electr. data): AC192
First Source (s)	Mar.1954 : Valvo-Berichte
Predecessor Tubes	OC10
Successor Tubes	AC107

Base	Wires
Was used by	Radio/TV-reception etc.
Filament
Description	PNP germanium junction transistor intended as preamplifier in AF applications. All-glass body, red dot indicates collector. Also made by Philips and related manufacturing plants. Text in other languages (may differ)
Dimensions (WHD)	5 x 15 x mm / 0.20 x 0.59 x inch
Weight	3 g / 0.11 oz
Literature	-- Collector info (Sammler) KTT 1969/70


	Valvo_Dioden_Transistoren_1959 Thomas Günzel

G.S.
Günther Stabe

TVT 73
Günther Stabe

Valvo_Dioden_Transistoren_1959
Thomas Günzel

Usage in Models (calculation each 25th of the month)	1= 1955? ; 1= 1956? ; 2= 1956 ; 1= 1957 ; 1= 1958?? ; 1= 1958? ; 1= 1958 ; 1= 1959 ; 5= 1960 ; 1= 1961?? ; 1= 1961 ; 2= 1962 ; 1= 1963 ; 1= 1964? ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 20

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OC70

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