JANTXV1N4966US

Single Zener Diodes Overview

The JANTXV1N4966US is a single Zener diode manufactured by Microchip Technology, designed for surface mount applications in the SQ-MELF (D-5B) package. It features a nominal Zener voltage of 22 V with a tolerance of ±5% and a maximum power dissipation of 5 W. The device supports a test current of 50 mA and can handle a peak pulse current of 7 A. It operates within a temperature range from -55 °C to +175 °C, ensuring reliability in demanding environments.

Single Zener Diodes Feature Summary

• Military-grade construction suitable for high-reliability applications
• Surface mount design in compact SQ-MELF package
• High thermal stability across extended temperature ranges

Single Zener Diodes Applications

• Voltage regulation in military avionics systems
• Overvoltage protection circuits in aerospace electronics
• Reference voltage sources in ruggedized instrumentation

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized Microchip distributors or certified suppliers. Confirm that the part meets specific military qualification standards required for your application. Request full traceability documentation and material compliance certificates prior to purchase to ensure adherence to project specifications.

Single Zener Diodes Selection Notes

Select this component when a robust, surface-mount Zener diode with high power handling is required. Ensure the circuit design accommodates the 5 W power dissipation capability and the specific 22 V breakdown voltage. Consider the SQ-MELF package dimensions for PCB layout compatibility and verify thermal management requirements for operation at elevated temperatures.

Single Zener Diodes Part Context

This component belongs to the JANTXV series of Zener diodes, which are characterized by enhanced reliability and strict manufacturing controls compared to commercial grades. The series is widely utilized in defense and aerospace sectors where long-term stability and resistance to environmental stressors are critical performance factors.

Single Zener Diodes Replacement Considerations

Direct substitutes include other military-grade Zener diodes with identical 22 V rating and 5 W power dissipation in compatible packages. Verify pinout compatibility and electrical parameter tolerances before substitution to maintain circuit integrity.