Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 35653
Brand: Sony Corporation; Tokyo
Tube type:  Transistor   Audio Frequency 
Identical to 2T81
First Source (s)
Jan.1957 : -- Collector info (Sammler)
Predecessor Tubes 2T66  

Base Wires
Description Material/Aufbau/Pol.: Germanium Legierung NPN;
Form/Case/Outline: TO-22;
Daten/ I F: _ mA; U F: _ V; Isp: __ µA; ß (beta): ___; N: __ mW; Imax(Ic): __ mA; Umax(Uce): 25 V; f g(FT): __ MHz; tmax j: __ °C.
(no data available yet)
Manufactured by Sony (Japan) 1957-1959.
Weight 1 g / 0.04 oz
Information source -- Schematic   

o_16_1.gif 2T81: TTT Steidle 1981
Günther Stabe † 19.8.20

Usage in Models 1= 1956

Quantity of Models at 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