2N491B Description
2N489(A,B)-2N494(A,B) High-reliability discrete products and engineering services since 1977 SILICON UNIJUNCTION TRANSISTORS.
2N491B 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
- Stable operation over wide temperature range
- Low leakage current
- Low peak point current
- Guaranteed minimum pulse voltage