The voltage regulator tube is a cold cathode, gas filled tube for maintaining a desired voltage within a circuit. Their designation numbers all begin with zero because there is no heater and therefore, no heater voltage. The second designation character corresponds to the regulated voltage. The designations ending in 3 are octal based tubes and those ending in 2 are miniature based.
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Amperex 0D3
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RCA 0D3
$5.59 Add to cart -
Westinghouse 0B3
$9.59 Add to cart -
GE 0D3
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Westinghouse 0B2
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Sylvania JAN-CHS-0C3 | VR105 | VT-200
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CEI 0C3 | VR105
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Sylvania JAN CHS 0B3
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Raytheon CK5651A | 85A2 | 0G3
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Sylvania 5651WA | 85A2 | 0G3
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RCA 5651WA | 85A2 | 0G3
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Amperex 0G3 | 85A2 | 5651
$4.59 Add to cart