Antique radios, Old Time Radios

HJ22D

ID = 39351

Country:

Japan

Brand:	Hitachi Ltd.; Tokyo
Tube type:	Transistor RF/IF-Stage

Identical to

HJ22D = HJ-22D

Similar Tubes

Normally replaceable-slightly different:

2N139 ; 2N218 ; AF127 ; HJ-22A ; HJ-22B ; HJ22 ; HJ56 ; HJ61

Base	Wires
Filament	Solid State
Description	PNP germanium alloy transistor intended as AM broadcast oscillator / IF amplifier. - Text in other languages (may differ)
Dimensions (WHD) incl. pins / tip	7 x 8 x 4 mm / 0.28 x 0.31 x 0.16 inch
Weight	1 g / 0.04 oz
Information source	-- Schematic

HJ22D: C.Thevenin
Günther Stabe † 19.8.20

HJ22D
Günther Stabe † 19.8.20

Usage in Models

1= 1957?? ; 1= 1957 ; 1= 1958? ; 1= 1958 ; 3= 1959 ; 1= 1960??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8

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