Antique radios, Old Time Radios
OA72
Country:
Germany
|
|
Identical to |
OA72
= OA79
|
Similar
Tubes |
Normally replaceable-slightly different:
2AP13
; 2AP15
; AA119
; OA172
; SFD107
Different maximum ratings:
AA113
|
First Source
(s) |
Mar.1957 : Valvo-Berichte
|
Base |
Wires
|
Filament |
Solid State |
Description |
Germanium contact point high-frequency diode, 60 degrees C max operating temperature.
Also made by the other Philips related manufacturers.
Text in other
languages (may
differ)
|
Dimensions (WHD) incl. pins / tip |
5 x 12 x mm / 0.20 x 0.47 x inch |
Weight |
1 g / 0.04 oz |
Information source |
- - Manufacturers Literature Valvo-Handbuch 1968, KTT 1969/70
|
|
|
|
OA72: Taschen-Lehrbuch "Bastelpraxis" von W. Diefenbach, Franzis Verlag, 1960
Jürgen Küting
|
|
|
 |
|
OA72: J.K.
Jürgen Küting
|
|
|
OA72: DVT 1971 ECA
Günther Stabe † 19.8.20
|
|
|
OA72: Valvo_Dioden_Transistoren_1959
Thomas Günzel
|
|
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):99
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