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   Data updated: 24 Feb 2026. Home |  About Quick Search |  ASSIST |  ASSIST Updates Document Details
Document ID:   MIL-PRF-19500       Scroll down to access document images
Spec/Std Sheet:  385

Overview
Title:  Transistor, Junction Field Effect, N-Channel, Radiation Hardened, Silicon, Device Types 2N4856 Through 2N4861, JAN, JANTX, JANTXV, and JANS
Scope:  This specification covers the performance requirements for N-channel, depletion mode, silicon, junction field-effect transistors (JFETs). Four levels of product assurance are provided for each device (JAN, JANTX, JANTXV, and JANS). 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.
Status:  Active Document Date:  25-MAR-2025      
  Next Review Due:  24-MAR-2030
5961 Doc Category:   Performance Specification  
QPL/QML:  QML-19500-31 NOT 1

Responsibilities
Lead Standardization Activity:  CC  DLA Weapons Support (Columbus)  
  Preparing Activity: CC  DLA Weapons Support (Columbus)
Coordination:  Full  
Army Custodian:  CR   US Army Combat Capabilities Development Command, C5ISR Center  
Navy Custodian:  SH   Naval Sea Systems Command (Ship Systems)  
Air Force Custodian:  85   Air Force Life Cycle Management Center - Electronic Components, Wire and Ca  
DLA Custodian:  CC   DLA Weapons Support (Columbus)  
Other Custodian:  NA   National Aeronautics and Space Administration (NASA)  

Amendments to military specifications or specification sheets issued after August 1, 2003 are incorporated in the modified document.
Revision History Click on column headings for a description of column content.
MediaDocument Part DescriptionDist StmtDocument DatePagesSize
Document ImageRevision K Amendment 2 (all previous amendments incorporated)A25-MAR-202516339.1 KB
Document ImageRevision K Amendment 1 (amendment incorporated)A14-FEB-202016327.3 KB
Document ImageRevision K A27-AUG-201916325.1 KB
Document ImageRevision J A02-JUN-201515233.4 KB
Document ImageRevision H Amendment 1 (amendment incorporated)A17-JUN-201114161.9 KB
Document ImageRevision H A10-MAR-20091384.1 KB
Document ImageRevision G A21-AUG-200713109.9 KB
Document ImageRevision F A09-OCT-20061399.4 KB
Document ImageRevision E A29-AUG-200513101.0 KB
Document ImageRevision D Amendment 2 A22-OCT-2002322.8 KB
Document ImageRevision D Amendment 1 A28-NOV-2001318.6 KB
Document ImageRevision D A12-APR-20011385.0 KB
Document ImageRevision C A19-JUL-20001372.3 KB
Document ImageRevision B Amendment 1 A21-JUN-199814.7 KB
Document ImageRevision B A12-AUG-199714110.2 KB
Document ImageRevision A Amendment 3 A02-JUL-19923143.0 KB
Document ImageRevision A A24-APR-1985191117.7 KB

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