Antique radios, Old Time Radios

AC187

ID = 33704

Country:

Europe

Brand:	Common type Europe tube/semicond.
Tube type:	Transistor Power/Output

Identical to

AC187

Similar Tubes

Other shape (e.g. bulb type):

AC186

Normally replaceable-slightly different:

2N95 ; 2SD352 ; AC127 ; AC141 ; AC175 ; AC176 ; AC179 ; AC194 ; GC187K ; GC520 ; GC520K ; GC521K ; OC987

Other class quality (otherwise equal):

AC181VII

Different maximum ratings:

AC181 ; NKT773

Other characteristic (electr. data):

AC185

First Source (s)

Mar.1965 : Valvo-Berichte

Predecessor Tubes

AC127

Successor Tubes

AC181

Base	Wires
Filament	Solid State
Description	NPN germanium alloy transistor intended as low power amplifier in AF applications. Made by Valvo, Philips, Telefunken, Siemens and others. Manufactored with heat sink = AC187K; was also available without heat sink (with separate fastening) = AC187. Text in other languages (may differ)
Dimensions (WHD) incl. pins / tip	7 x 16 x mm / 0.28 x 0.63 x inch
Weight	1 g / 0.04 oz
Literature	-- Collector info (Sammler) KTT 1969/70


	AC187: Valvo Handbuch 1968 Günther Stabe

AC187: Eigene Sammlung
Hermann Fleischanderl

AC187: Siemens
Günther Stabe

AC187: Valvo Handbuch 1968
Günther Stabe

Usage in Models

2= 1960?? ; 1= 1962? ; 9= 1965?? ; 1= 1965 ; 5= 1966?? ; 1= 1966? ; 22= 1966 ; 3= 1967?? ; 10= 1967? ; 96= 1967 ; 8= 1968?? ; 23= 1968? ; 121= 1968 ; 3= 1969?? ; 20= 1969? ; 125= 1969 ; 58= 1970?? ; 21= 1970? ; 93= 1970 ; 4= 1971?? ; 8= 1971? ; 85= 1971 ; 7= 1972?? ; 25= 1972? ; 62= 1972 ; 1= 1973?? ; 8= 1973? ; 37= 1973 ; 4= 1974?? ; 4= 1974? ; 33= 1974 ; 24= 1975?? ; 7= 1975? ; 16= 1975 ; 9= 1976? ; 30= 1976 ; 5= 1977?? ; 4= 1977 ; 1= 1978?? ; 2= 1978? ; 4= 1979? ; 12= 1980?? ; 1= 1980 ; 1= 1983 ; 1= 1984 ; 1= 1986?? ; 2= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1020

Collection of Pentti Lamminen (FIN)

Collection of Günter Kudicke (D)

Collection of Karlheinz Fischer (D)

Collection of Stig Comstedt (S)

Collection of Oskar Elm (D)

Collection of Hermann Fleischanderl (A)

Collection of Wilfried Hofmüller (A)

Collection of Jacky Parmentier (F)

Collection of a member from FIN

Collection of Egon Strampe (D)

Collection of Hugo Sneyers (B)

Collection of a member from E

Collection of Michael Mischke (D)

Collection of Bernd Pötzsch (D)

Collection of Peter Roggenhofer † 25.4.18 (A)

Collection of Emilio Focosi (I)

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