Antique radios, Old Time Radios

OC44

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

Tube ID = 33607


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Identical to	OC44
Similar Tubes	Other shape (e.g. bulb type): 2N112; 2SA15; 2SA52; AF116; AF126; AF136; GE-1; GFT44; OC169; OC400; SFT308; TF44; TF49 Normally replaceable-slightly different: 2G141; 2N137; 2N219; 2N252; 2S111; 2S30; 2S35; 2S64; 2S99; 2SA142; 2SA272; 2SA30; 2SA31; 2SA32; 2SA35; 2SA44; 2SA45; 2SA48; 2SA50; 2SA97; 2SA98; 37T1; AF101; AF105; GET874; GF105; GTA2; L-5113; L-5113L; MC101; NKT72; OC1044; OC42; OC43; OC613; OC880; R-244; SFT106; SFT108; SFT116; SFT119; T1502 Different maximum ratings: V6/R4M; V6/R8M Other characteristic (electr. data): 2SA141
First Series	31.Jan.1957 - - Manufacturers Literature
First Source (s)	Mar.1956 : Valvo-Berichte
Successor Tubes	OC169 OC44K

Base	Wires
Was used by	Radio/TV-reception etc.
Filament	-: No heater /
Description	PNP germanium alloy transistor intended as oscillator and mixer in AM broadcast receivers. Ft=15MHz. All-glass body. Red dot indicates collector. 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, TVT 1979 ECA


	Grundig Micro Transistor Boy 59 Günther Stabe

Eigene Sammlung
Hermann Fleischanderl

TTT Steidle 1981
Günther Stabe

Valvo_Dioden_Transistoren_1959
Thomas Günzel

Usage in Models (calculation each 25th of the month)	1= 1956? ; 12= 1957 ; 2= 1958?? ; 11= 1958? ; 19= 1958 ; 3= 1959?? ; 10= 1959? ; 31= 1959 ; 11= 1960?? ; 9= 1960? ; 28= 1960 ; 2= 1961?? ; 4= 1961? ; 15= 1961 ; 3= 1962?? ; 4= 1962? ; 16= 1962 ; 2= 1963?? ; 6= 1963 ; 3= 1964?? ; 1= 1964? ; 2= 1964 ; 1= 1965?? ; 1= 1965? ; 1= 1968 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 198

No further Information for

OC44

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