MIL-PRF-19500-437 Semiconductor Device, Diode, Silicon, Low-Noise Voltage Regulator, Types 1N5518B-1, 1N5518C-1, 1N5518D-1 Through 1N5546B-1, 1N5546C-1, 1N5546D-1, 1N5518Bur-1, 1N5518Cur-1, 1N5518Dur-1 Through 1N5546Bur-1, 1N5546Cur 1, 1N5546Dur-1, Jan, Jantx, Jantxv, Janhc, And JankcThis specification covers the performance requirements for 500 milliwatt, silicon, low-noise, voltage regulator diodes with voltage tolerances of 5 percent, 2 percent, and 1 percent. Three levels of product assurance are provided for each encapsulated device type as specified in MIL-PRF-19500, and two levels of product assurance for each unencapsulated device type die. For JANHC and JANKC quality levels \(see 6.5\).