Antique radios, Old Time Radios
2N544
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Country:
Worldwide
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| Identical to |
2N544
= 121-78
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| Similar
Tubes |
Normally replaceable-slightly different:
AF126
; OC170
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| First Source
(s) |
Sep.1957 : -- Collector info (Sammler)
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| Base |
Wires
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| Description |
Material/Aufbau/Pol.: Germanium diff. PNP;
Form/Case: TO-7;
Daten/electr.data: I F: 1 mA; U F: -1 V; Isp: 16 µA; ß (beta): 60; N: 80 mW; Imax(Ic): 10 mA; Umax(Ucb): -18 V; Umax(Uce): -__ V; f g(FT): >12 MHz; tmax j: 85 °C.
Varianten: 2N544/12 = beta: 20-175, 2N544/33 = TO-5, Daten s.o.;
Austauschtyp: RS1554
Zenith Part No.: 121-63, 121-78, ...
Manufacturer:
Sivania Emporium (USA)
AWV, Alagamated Wireless Valve Co. Ltd (AUS)
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Dimensions (WHD)
incl. pins / tip |
9 x 9 x mm / 0.35 x 0.35 x inch |
| Weight |
1 g / 0.04 oz |
| Information source |
-- Collector info (Sammler) KTT 1969/70, Towers ITVL
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2N544: TVT 73
Günther Stabe † 19.8.20
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):34
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