Antique radios, Old Time Radios

2N2428

Country:	United States of America (USA)		Brand:	Philco, Philadelphia Stg. Batt. Co.; USA
			Tube type:	Transistor Audio Frequency

Tube ID = 37948


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Identical to	2N2428 = 2N2429
Similar Tubes	Normally replaceable-slightly different: AC122; AC125; AC126; AC151

Base	Wires
Was used by	Radio/TV-reception etc.
Filament
Description	Material/Aufbau/Pol.: Germanium/Diffusion PNP; Form/Case: TO-1; Daten/electr.data: I F: __ mA; U F: _ V; Isp: __ µA; ß (beta): 50-150; N: __ mW; Imax(Ic): 100 mA; Umax(Uce): -32 V; f g(FT): __ MHz; tmax: __ °C. Vergleichstyp: 2N1191...94. - Text in other languages (may differ)
Dimensions (WHD)	6 x 10 x mm / 0.24 x 0.39 x inch
Weight	2 g / 0.07 oz
Literature	-- Schematic TVT 1978 ECA


	Sams Photofact Folders Date 5-65, Set 754, Folder 9 Egon Penker

TVT 1969 Verlag Nolde Dachau
Günther Stabe

Usage in Models (calculation each 25th of the month)	1= 1964? ; 1= 1964 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 2

No further Information for

2N2428

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