Antique radios, Old Time Radios

AF138

ID = 33939

Country:

Germany

Brand:	Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:	Transistor RF/IF-Stage

Identical to

AF138

Similar Tubes

Other shape (e.g. bulb type):

OC169 ; OC612

Normally replaceable-slightly different:

NKT685

Other base and data slightly different:

35816 ; 35817 ; 35819 ; 35824

First Source (s)

Mar.1963 : Telefunken-Zeitung

Predecessor Tubes

AF105 OC612 AF105a

Base	Wires
Filament	Solid State
Description	PNP germanium diffusion alloy transistor for high-frequency applications. - Text in other languages (may differ)
Dimensions (WHD) incl. pins / tip	5 x 10 x 5 mm / 0.20 x 0.39 x 0.20 inch
Weight	1 g / 0.04 oz
Information source	-- Collector info (Sammler) KTT 1969/70, TVT 1979 ECA


	AF138: Schema: Dorena 6402 Egon Strampe

AF138: Sammlung
Karlheinz Fischer
More ...

AF138: TVT 73
Günther Stabe † 19.8.20

AF138: Telefunken, Handbuch Halbleiter 1966/67
Anonymous 10 Collector
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Usage in Models

3= 1962 ; 4= 1963? ; 12= 1963 ; 2= 1964?? ; 6= 1964? ; 39= 1964 ; 3= 1965?? ; 12= 1965? ; 57= 1965 ; 1= 1966?? ; 3= 1966? ; 37= 1966 ; 2= 1967?? ; 8= 1967? ; 35= 1967 ; 1= 1968? ; 25= 1968 ; 1= 1969? ; 16= 1969 ; 11= 1970 ; 2= 1971? ; 3= 1971 ; 1= 1972? ; 1= 1977?? ; 1= 1978? ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):287

Collection of Karlheinz Fischer (D)

Collection of Daniel Consales (D)

Collection of Peter Roggenhofer † 25.4.18 (A)

Collection of Markus Müllner (A)

Collection of Hermann Fleischanderl (A)

Collection of Jacky Parmentier (F)

Collection of Karl-Heinz Entrich † 7.21 (D)

Collection of Marcello Astolfi (I)

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