radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

2NN40

Information - Help 
ID = 76532
       
Country:
Czechoslovakia
Brand: Tesla; Praha, Bratislava etc.
Tube type:  Solid-State-Diode   Universal 
Identical to 2NN40
Similar Tubes
Other shape (e.g. bulb type):
  2NN41

Base Wires
Was used by Radio/TV-reception etc.
Description

Material/Aufbau: Germanium Punktkontakt Diode;
Form/Case/Outline: (axial) Kathode: gelb;
Daten/electr.data: I F: 15 mA; U F: 1 V; I sp: <1.6 mA; U sp: 50 V; Imax: 500 mA; Umax: 55 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_6nn40_sock~~1.png 2NN40: Tesla, Manual 1959
Anonymous 15 Collector

1nn40_6nn40_data~~1.png
2NN40: Tesla, Manual 1959
Anonymous 15 Collector

More ...
Usage in Models 1= 1956??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information