MIL-PRF-19500-399 Semiconductor Device, Transistor, Npn, Silicon, Switching Type 2N3960 And 2N3960Ub Jan, Jantx, Jantxv, Jantxvm, Jantxvd, Jantxvp, Jantxvl, Jantxvr, Jantxvf, Jantxvg, Jantxvh, Jans, Jansm, Jansd, Jansp, Jansl, Jansr, Jansf, Jansg, Jansh, Janhc, Janhcm, Janhcd, Janhcp, Janhcl, Janhcr, Janhcf, Janhcg, Janhch, Jankc, Jankcm, Jankcd, Jankcp, Jankcl, Jankcr, Jankcf, Jankcg, A...This specification covers the performance requirements for NPN silicon, switching transistors. Four levels of product assurance are provided for each device type and two levels for unencapsulated die as specified in MIL-PRF-19500. Two levels of product assurance are provided for each unencapsulated device type. RHA level designators "M", "D", "P", "L", "R", "F", "G", and "H" are appended to the device prefix to identify devices which have passed RHA requirements.