JAN1N971BUR-1/TR

Single Zener Diodes Overview

The JAN1N971BUR-1/TR is a single Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It features a nominal Zener voltage of 27 V with a tolerance of ±5%. The device operates within a power dissipation rating of 500 mW and has a maximum reverse leakage current of 500 nA. Its Zener impedance is specified at 41 Ohms, tested at a current of 4.6 mA. The component utilizes a DO-213AA-2 (SOD-80) surface-mount package and supports an extended operating temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• High-reliability construction suitable for demanding environments
• Extended operational temperature capability up to 175°C
• Surface-mount design for automated assembly integration

Single Zener Diodes Applications

• Voltage reference circuits in aerospace systems
• Overvoltage protection in military-grade electronics
• Precision voltage regulation in harsh environment instrumentation

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration against official Microchip documentation to ensure compatibility with required reliability standards. Confirm that the DO-213AA package dimensions align with your PCB footprint requirements. Ensure that the non-RoHS status meets the regulatory compliance needs of your target deployment region. Cross-reference the manufacturer part number with authorized distributor listings to validate authenticity and traceability.

Single Zener Diodes Selection Notes

Select this component when a stable 27 V reference is required in space-constrained surface-mount designs. Consider the 500 mW power rating and 41 Ohm impedance for thermal management and signal integrity planning. Evaluate the -65°C to +175°C range against your environmental conditions. Compare alternative packages if through-hole mounting is preferred for mechanical stability.

Single Zener Diodes Part Context

This part belongs to the JAN1N971 series of Zener diodes produced by Microchip Technology. It is part of a broader family of high-reliability semiconductor devices intended for critical applications. The series typically includes variants with different voltage ratings and packaging options, maintaining consistent performance characteristics across the lineup for system designers requiring standardized components.

Single Zener Diodes Replacement Considerations

Consult Microchip's official cross-reference guides for verified substitutes. Ensure any replacement matches the 27 V Zener voltage, 500 mW power rating, and DO-213AA package. Verify that alternative parts meet the same -65°C to +175°C operating temperature range and reliability standards.