1N4991 Description
1N4954-1N4996 High-reliability discrete products and engineering services since 1977 5 WATT GLASS ZENER DIODE.
1N4991 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