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[[File: | [[File:Apollo 5642 tube.jpg|thumb|300px|right|Apollo 5642 tube]] | ||
The '''5642''' is a directly-heated high-voltage rectifier tube. It has three flexible lead connections and is intended to be soldered into the circuit. | The '''5642''' is a directly-heated high-voltage rectifier tube. It has three flexible lead connections and is intended to be soldered into the circuit. | ||
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* [http://w140.com/5642.pdf RCA 5642 datasheet (PDF)] | * [http://w140.com/5642.pdf RCA 5642 datasheet (PDF)] | ||
<gallery> | |||
Tek 516 hvps1.jpg|Three 5642s in a [[516]] HV supply | |||
Apollo 5642 tube.jpg | |||
</gallery> | |||
[[Category:Diode tubes]] | [[Category:Diode tubes]] |