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OC72

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ID = 33685
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Transistor   Power/Output 
Identical to OC72 = 2OC72 = 2N282 = 2N281 = WN5432
Similar Tubes
Other shape (e.g. bulb type):
  2N320 ; 2SB56 ; 988T1
Normally replaceable-slightly different:
  2G108 ; 2G109 ; 2G270 ; 2G271 ; 2N188 ; 2N241A ; 2S113 ; 2S114 ; 2S115 ; 2S14 ; 2SB156 ; 2SB172 ; 2SB79 ; 3AX71B ; 57T1 ; 58T1 ; AC128 ; AC152 ; CK878 ; GC509 ; GTE2 ; L-5028 ; OC1072 ; OC307 ; OC308 ; OC602spez ; OC604spez ; OC74 ; OC76 ; OC78 ; OC78D ; SFT121 ; SFT122 ; SFT123 ; SFT322 ; SFT353 ; ST122 ; T-1008 ; V10/15A
Different maximum ratings:
  AC124 ; AC131 ; AC153 ; AC188 ; AC193 ; GFT22 ; TF66 ; V10/30A
Other base and data slightly different:
  2N633 ; 987T1 ; GFT-3V4
First Source (s)
Oct.1954 : Valvo-Berichte
Predecessor Tubes OC12   OC14  
Successor Tubes OC74  
Base Wires
Was used by Radio/TV-reception etc.
Description

PNP germanium transistor intended as low power amplifier / switch in AF applications. All-glass body with heat sink. Red dot indicates collector.
Also made by Philips and related manufacturing plants.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 5 x 15 x 5 mm / 0.20 x 0.59 x 0.20 inch
Weight 2 g / 0.07 oz
Information source -- Collector info (Sammler)   KTT 1969/70
oc72_umg.gif
OC72: Grundig Micro Transistor 59
Günther Stabe † 19.8.20
r9_3.gif OC72: TTT Steidle 1981
Günther Stabe † 19.8.20
More ...
 d_valvo_oc72_1.png
OC72: Valvo_Dioden_Transistoren_1959
Thomas Günzel † 1.8.22
More ...
Usage in Models 1= 1955?? ; 1= 1955 ; 2= 1956?? ; 5= 1956? ; 26= 1956 ; 6= 1957?? ; 14= 1957? ; 64= 1957 ; 8= 1958?? ; 34= 1958? ; 101= 1958 ; 7= 1959?? ; 36= 1959? ; 107= 1959 ; 47= 1960?? ; 57= 1960? ; 127= 1960 ; 6= 1961?? ; 24= 1961? ; 82= 1961 ; 13= 1962?? ; 18= 1962? ; 54= 1962 ; 6= 1963?? ; 16= 1963? ; 31= 1963 ; 4= 1964?? ; 7= 1964? ; 18= 1964 ; 14= 1965?? ; 2= 1965? ; 10= 1965 ; 4= 1966?? ; 3= 1966? ; 3= 1966 ; 2= 1967?? ; 1= 1968?? ; 2= 1968? ; 1= 1968 ; 3= 1970?? ; 1= 1970? ; 1= 1970 ; 1= 1971?? ; 1= 1971? ; 2= 1973? ; 2= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):975
Museum "Philips Historische Producten"

Collection of

Christian Schaufelberger (CH)
Mark Burgess (NZ)
Collection of a member from FIN
Oskar Elm (D)
Wolfgang Bauer (A)
Marc Gianella (CH)
Glenn Moeller-Holst (DK)
Horst Willers (D)
Karlheinz Fischer (D)
Michael Mischke (D)
Jacky Parmentier (F)
Thomas Günzel † 1.8.22 (D)
Egon Strampe (D)
Museum Roggenhofer (A)
Peter Pfeiffer (D)
Karl-Heinz Entrich † 7.21 (D)
 
d_valvo_oc72.jpg

OC72
 
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