Antique radios, Old Time Radios
2T81
Country:
Japan
|
|
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/electr.data: 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
|
|
2T81: TTT Steidle 1981
Günther Stabe † 19.8.20
|
|
|
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 |
|
|