Antique radios, Old Time Radios

AC122

Country:	Germany		Brand:	Telefunken Deutschland (TFK)
			Tube type:	Transistor Audio Frequency

Tube ID = 33913


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Identical to	AC122
Similar Tubes	Other shape (e.g. bulb type): 2N65; AC134; OC70; OC71; SFT351; SFT353 Normally replaceable-slightly different: 2N104; 2N130; 2N133; 2N207; 2N217; 2N241; 2N2428; 2N2429; 2N265; 2N403; 2N680; 2S54; 2S58; 2SB111; 2SB112; 2SB115; 2SB116; 2SB117; 2SB135; 2SB170; 2SB173; 2SB175; 2SB186; 2SB364; 2SB422; 2SB459; 2SB57; 2SB77; AC116; AC125; AC150; AC151; AC182; ACY23; ASZ11; ASZ12; GFT25; GS109; OC302; OC303; OC304; OC320; OC602; OC603; OC604; OC75; OC76; SFT251; SFT352; T-0041; TF65 Different maximum ratings: 2N60; AC108; AC109; AC110; AC126; AC164; AC192; GC117; OC300; OC305; OC80
First Source (s)	Mar.1963 : Telefunken-Zeitung
Predecessor Tubes	OC71 OC602
Successor Tubes	AC170

Base	Wires
Was used by	Radio/TV-reception etc.
Filament
Description	PNP germanium junction transistor for AF pre-amplifier/driver applications. AC122 [colored dot]: dot color: red, yellow, green, violet, white (current gain categories); AC122/30 (Umax -32V), with dot color: red, yellow, green, violet (current gain categories). - Text in other languages (may differ)
Dimensions (WHD)	5 x 10 x mm / 0.20 x 0.39 x inch
Weight	2 g / 0.07 oz
Literature	-- Collector info (Sammler) KTT 1969/70, TVT 1979 ECA


	Funktechnik 7/65 Egon Strampe

D.C.
Daniel Consales

TTT Steidle 1981
Günther Stabe

Telefunken_Halbleiter_1967
Thomas Günzel

Usage in Models (calculation each 25th of the month)	1= 1961 ; 2= 1962 ; 2= 1963 ; 4= 1964 ; 9= 1965 ; 2= 1966? ; 10= 1966 ; 2= 1967?? ; 1= 1967? ; 2= 1967 ; 3= 1968 ; 6= 1969 ; 5= 1970 ; 1= 1988? ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 50

No further Information for

AC122

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