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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. | ||
{{BeginSpecs}} | |||
{{Spec|Heater|1.25 V, 200 mA }} | |||
{{Spec|Peak inverse volrage | 10 kV}} | |||
{{Spec|Peak plate current | 250 μA }} | |||
{{EndSpecs}} | |||
It is used in the CRT cathode and post-deflection acceleration supplies in many Tektronix scopes. | It is used in the CRT cathode and post-deflection acceleration supplies in many Tektronix scopes. |