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ID = 76531
Brand: Tesla; Praha, Bratislava etc.
Tube type:  Solid-State-Diode   Power-supply 
Identical to 1NN40
Similar Tubes
Other shape (e.g. bulb type):

Base Wires
Was used by Radio/TV-reception etc.
Filament Solid State

Material/Aufbau: Germanium Punktkontakt Diode;
Form/Case/Outline: (axial), Kathode: weiss;
Daten/ I F: 15 mA; U F: 1 V; I sp: <100 µA; U sp: 20 V; Imax: 500 mA; Umax: 25 V; tmax j: 75 °C;

Dimensions (WHD)
incl. pins / tip
7 x 20 x mm / 0.28 x 0.79 x inch
Weight 1 g / 0.04 oz
Information source -- Original-techn. papers.   
1NN40: Tesla, Manual 1959
Anonymous 15 Collector

1NN40: Tesla, Manual 1959
Anonymous 15 Collector

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