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1S990

Information - Help 
ID = 40575
       
Country:
Japan
Brand: Common type Japan tube/semicond.
Tube type:  Solid-State-Diode   Universal 
Identical to 1S990
Similar Tubes
Normally replaceable-slightly different:
  1N4148 ; BA114

Base Wires
Filament Solid State
Description

Material/Aufbau: Silizium-Diode;
Form/Case/Outline: DO-7;
Daten/electr.data: I F: __ mA; U F: __ V; I sp: __ µA; U sp: __ V; N: 250 mW, Imax: __ mA; Umax: 0.6 - 0.8 V; tmax j: __ °C;
(no more data available yet)
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Dimensions (WHD)
incl. pins / tip
7 x 3 x mm / 0.28 x 0.12 x inch
Weight 1 g / 0.04 oz
 
do_7~~45.gif
1S990: DVT 1971 ECA
Günther Stabe † 19.8.20

 

Usage in Models 1= 1967? ; 2= 1970?? ; 1= 1970 ; 1= 1971?? ; 1= 1978?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6

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