Antique radios, Old Time Radios
521T1
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Country:
France
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| Identical to |
521T1
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| Similar
Tubes |
Normally replaceable-slightly different:
520T1
Different maximum ratings:
421T1
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| Base |
Wires
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| Description |
PNP germanium alloy transistor intended as AF low power amplifier
Text in other
languages (may
differ)
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Dimensions (WHD)
incl. pins / tip |
11 x 15 x 11 mm / 0.43 x 0.59 x 0.43 inch |
| Weight |
2 g / 0.07 oz |
| Information source |
-- Original-techn. papers. Mazda catalogue 1967
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521T1: Mazda
Günther Stabe † 19.8.20
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521T1: Mazda Belvu
Patrice Zeissloff
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4
Collection of
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