Antique radios, Old Time Radios
254W
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Country:
United States of America (USA)
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| Identical to |
254W
= 254
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| Similar
Tubes |
Normally replaceable-slightly different:
PL-254w
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| Base |
Jumbo 4-pin bayonet (1918)
Sidecontact and top contact.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 5 Volts / If 7.5 Ampere / Direct |
| Description |
The 254W is a 100 watt dissipation triode originally made by Heintz and Kaufman with a mu of 25 and a maximum frequency of 175 MHz for full ratings. Early versions had an open anode and no shield around the press.
Similar tubes were later made by:
Lewis and Kaufman (LK-254)
Eimac (254W)
Penta Labs (PL-254W)
Vacuum Tube Prod. Co. (254W)
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Dimensions (WHD)
incl. pins / tip |
x 184 x 62 mm / x 7.24 x 2.44 inch |
| Weight |
190 g / 6.70 oz |
| Information source |
Tube Lore (II) p. 209 & 217
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254W: Fin Stewart
Fin Stewart
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Just Qvigstad
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254W: Manufacturer's Literature
Anonymous 15 Collector
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Collection of
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