This Zener Diode is packaged in DO-4R, which has a power dissipation of 10W. Available as High Reliability device as per MIL-PRF-19500/124 indicate –HR suffix after the part number. Contact for -HR flow. Add "PBF" suffix for Pb-free lead finish.
Zener diodes provide voltage regulation over a broad range of operating voltages, currents and temperatures.