MIL-PRF-19500-436 Semiconductor Device, Diode, Silicon, Voltage-Variable Capacitor Types 1N5461B Thru 1N5476B And 1N5461C Thru 1N5476C Jan, Jantx And JantxvThis specification covers the performance requirements for a silicon, voltage-variable-capacitor diode. Three levels of product assurance are provided for each device type as specified in MIL-PRF-19500.