JAN1N3312B

Single Zener Diodes Overview

The JAN1N3312B is a high-power Zener diode manufactured by Microchip Technology. It features a nominal Zener voltage of 13 V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 50 W and operates within a temperature range of -65°C to +175°C. Key electrical parameters include a maximum reverse leakage current of 10 µA at 9.9 V, a forward voltage of 1.5 V at 10 A, and a maximum Zener impedance of 1.1 Ohms. It utilizes a DO-5 (DO-203AB) axial leaded package designed for base or stud mounting.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation in high-power applications through robust Zener breakdown characteristics.
• Capable of operating reliably in extreme thermal environments up to 175°C junction temperature.
• Engineered for mechanical stability using a heavy-duty glass passivated DO-5 axial package suitable for stud mounting.

Single Zener Diodes Applications

• Military and aerospace electronic systems requiring radiation-hardened or high-reliability components.
• High-power voltage reference circuits demanding precise regulation under varying load conditions.
• Industrial power supply protection and overvoltage clamping applications.

Single Zener Diodes Procurement Notes

Verify the specific JAN suffix requirements against your design specifications, as this indicates military-grade screening standards distinct from commercial variants. Confirm that the DO-5 mounting style aligns with your thermal management strategy. Ensure compliance with relevant defense procurement regulations if applicable. Cross-reference datasheet revisions to confirm material composition and testing protocols match your quality assurance requirements.

Single Zener Diodes Selection Notes

Select this component when a 13 V regulation point is required with significant power handling capabilities exceeding standard surface-mount options. The DO-5 package necessitates adequate board space and thermal interface planning for stud mounting. Consider the ±5% tolerance for precision requirements and verify that the 1.1 Ohm impedance meets dynamic regulation needs. Evaluate the high-temperature rating against ambient operating conditions to ensure long-term reliability.

Single Zener Diodes Part Context

The JAN1N3312B belongs to the 1N3312 series of high-power Zener diodes produced by Microchip Technology. This series is characterized by its ability to dissipate up to 50 W while maintaining stable voltage regulation. The JAN prefix denotes parts manufactured to strict military quality standards, ensuring higher reliability and consistency compared to commercial equivalents. These devices are integral to critical systems where failure is not an option.

Single Zener Diodes Replacement Considerations

The 1N3312A is a parameter-equivalent commercial alternative. Verify that the lower reliability standards of the commercial variant meet your application's risk tolerance. Ensure the DO-5 package dimensions are compatible with existing mounting hardware before substitution.