Microchip Technology JANS1N4976D is a hermetically sealed, JANTX-V military-grade Zener diode designed for high-reliability applications. This component provides a precise 18V Zener voltage with a tight tolerance, ensuring stable voltage regulation under demanding environmental conditions. Manufactured to meet the rigorous specifications of MIL-PRF-19500/356, the JANS1N4976D is suitable for use in aerospace, defense, and other critical systems requiring robust performance and long-term reliability. Its robust construction and adherence to military standards make it an ideal choice for voltage reference and regulation circuits where component failure is not an option. The bulk packaging facilitates efficient integration into high-volume manufacturing processes.