Antique radios, Old Time Radios
KY21A
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Country:
United States of America (USA)
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| Identical to |
KY21A
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| Base |
UY-Base, 5 Pins (USA, April 1927) (Codex=sp)
Top contact with a cap.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 2.5 Volts / If 10 Ampere / Indirect |
| Description |
Peak inverse max 11000 V
Peak forward max 5500 V
Peak anode 3 A
AVG anode 0.75 A
Surge 100 A
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Dimensions (WHD)
incl. pins / tip |
x 184 x 73 mm / x 7.24 x 2.87 inch |
| Information source |
Tube Lore (II) p. 209
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 546, p. 1142 & 1143
Taschenbuch zum Röhren-Codex 1948/49
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KY21A: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
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Just Qvigstad
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