Antique radios, Old Time Radios
BB521
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Country:
Europe
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|
| Identical to |
BB521
|
| Similar
Tubes |
Normally replaceable-slightly different:
BB221
; BB222
|
| Base |
Wires
|
| Description |
Silicon voltage variable capacitance diode.
-
Text in other
languages (may
differ)
|
Dimensions (WHD)
incl. pins / tip |
5 x 2 x mm / 0.20 x 0.08 x inch |
| Weight |
1 g / 0.04 oz |
| Information source |
-- Original-techn. papers. ITT
|
|
BB521: DVT 1971 ECA
Günther Stabe † 19.8.20
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Collection of
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