MIL-PRF-19500/168 Complete Document History
Semiconductor Device, Thyristors (Controlled Rectifiers), Silicon, Types 2N1771A, 2N1772A, 2N1774A, 2N1776A, 2N1777A, 2N1778A, and 2N2619A, JAN, JANTX, and JANTXV

Complete Current Edition:
   REVISION L - Semiconductor Device, Thyristors (Controlled Rectifiers), Silicon, Types 2N1771A, 2N1772A, 2N1774A, 2N1776A, 2N1777A, 2N1778A, and 2N2619A, Quality Levels JAN, JANTX, and JANTXV - March 18, 2019

Obsolete Revision Information:
   REV K VALIDATION 1 - VALIDATION NOTICE 1 FOR REVISION K - May 24, 2016
   REVISION K - Semiconductor Device, Thyristors (Controlled Rectifiers), Silicon, Types 2N1771A, 2N1772A, 2N1774A, 2N1776A, 2N1777A, 2N1778A, and 2N2619A, JAN, JANTX, and JANTXV - Aug. 15, 2011
   REVISION J - 2N1772A, 2N1774A, 2N1776A, 2N1778A, & 2N2619A, JAN, JANTX, & - June 13, 2007
   REVISION H - 2N1772A, 2N1774A, 2N1776A, 2N1777A, 2N1778A, & 2N2619A, JAN, - Dec. 4, 2006
   REVISION G - 2N1772A, 2N1774A, 2N1776A, 2N1777A, 21778A, 2N2619A, JAN, JA - March 14, 2006
   REVISION F - 2N1774A, 2N1776A, 2N1777A, 2N1 - Aug. 1, 2003
   REV E AMENDMENT 1 - AMENDMENT 1 FOR REVISION E - May 6, 1999
   REVISION E - 2N1774A, 2N1776A, 2N1777A, JAN - Oct. 17, 1998
   REVISION D - SEMICONDUCTOR DEVICE, THRYRIST - Oct. 15, 1997