2N4949 Description
2N4948, 2N4949 High-reliability discrete products and engineering services since 1977 PN UNIJUNCTION TRANSISTORS.
2N4949 Key Features
- Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number
- Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix