MIL-PRF-19500/343

RF Transistor, NPN, Silicon, Low Power, Encapsulated (Through-Hole and Surface Mount), and Unencapsulated, Radiation Hardness Assurance, Types 2N2857, Quality Levels JAN, JANTX, JANTXV, JANS, JANHC, and JANKC

Designation	MIL-PRF-19500/343
Status	Active
Last Update	2026-05-29
Last Document Update	2026-05-13

Publishers:
- Distributor	Defense Standardization Program Office
- Owner:	Defense Logistics Agency
- Author:	DLA Weapons Support (Columbus)

Version	Date	Distribution Statement	Access	Pages
Revision M Amendment 4 (all previous amendments incorporated)	2026-05-13	A	Public	28
Revision M Amendment 3 (all previous amendments incorporated)	2023-05-01	A	Public	26
Revision M Amendment 2 (all previous amendments incorporated)	2022-10-03	A	Public	27
Revision M Amendment 1 (amendment incorporated)	2017-12-06	A	Public	26
Revision M	2016-11-03	A	Public	26
Revision L	2015-07-22	A	Public	26
Revision K Amendment 1 (amendment incorporated)	2014-03-25	A	Public	24
Revision K	2012-05-01	A	Public	22
Revision J	2010-04-02	A	Public	21
Revision H	2008-03-20	A	Public	19
Revision G	2005-03-18	A	Public	15
Revision F Amendment 1	2002-08-16	A	Public	1
Revision F	2002-02-08	A	Public	17
Revision E	2000-11-28	A	Public	16
Revision D Amendment 2	2000-05-10	A	Public	1
Revision D Amendment 1	1998-04-08	A	Public	1
Revision D	1998-03-10	A	Public	15
Revision C	1997-09-18	A	Public	14
Revision B	1986-06-03	A	Public	15

Service	Organization	Code
Lead Standardization Activity	DLA Land and Maritime	CC
Preparing Activity	DLA Land and Maritime	CC
Air Force	Air Force Life Cycle Management Center - Electronic Components, Wire and Cable	85
Army	US Army Combat Capabilities Development Command, C5ISR Center	CR
DLA	DLA Land and Maritime	CC
Navy	Naval Sea Systems Command (Ship Systems)	SH