Antique radios, Old Time Radios
OA7
|
Country:
Germany
|
|
| Identical to |
OA7
= WN5458
|
| Similar
Tubes |
Normally replaceable-slightly different:
AA135
; AA139
; OA180
Different maximum ratings:
OA9
|
| First Source
(s) |
Mar.1956 : Valvo-Berichte
|
| Base |
Wires
|
| Description |
Material/Aufbau: Germanium Golddrahtdiode;
Form/Case/Outline: Allglas, ~ R-9;
Daten/electr.data: I F: 10 mA; U F: 0.38 V; I sp: 1.5 µA; U sp: 10 V; Imax: 140 mA; Umax: 25 V; tmax j: 75 °C.
-
|
Dimensions (WHD)
incl. pins / tip |
5 x 15 x 5 mm / 0.20 x 0.59 x 0.20 inch |
| Weight |
1 g / 0.04 oz |
| Information source |
-- Collector info (Sammler) KTT 1969/70, DVT 1971
|
OA7: Funkschau 11/65 S.280
Egon Strampe
|
OA7: DVT 1971 ECA
Günther Stabe † 19.8.20
|
|
OA7: Valvo_Dioden_Transistoren_1959
Thomas Günzel † 1.8.22
|
Collection of
Collection of a member from D |
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