Antique radios, Old Time Radios
OA721
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Country:
Germany
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| Identical to |
OA721
|
| Similar
Tubes |
Different maximum ratings:
GAY61
; OA720
; OA741
; OA780
|
|
Successor Tubes
|
GAY61
|
| Base |
Wires
|
| Description |
Material/Aufbau: Germanium Golddrahtdiode für Schaltzwecke;
Form/Case/Outline: Allglas, axial;
Daten/electr.data: I F: 75 mA; U F: <0,7 V; I sp: <1 mA; U sp: 20 V; Imax: 75 mA; Umax: 20 V; tmax j: 70 °C.
-
|
Dimensions (WHD)
incl. pins / tip |
13 x 4 x mm / 0.51 x 0.16 x inch |
| Weight |
1 g / 0.04 oz |
| Information source |
-- Collector info (Sammler) Radio und Fernsehen H.17/1961
|
OA721: Elektr. Jahrb. 1966 S. 335
Egon Strampe
|
OA721: DVT 1971 ECA
Günther Stabe † 19.8.20
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5
Collection of
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