1N4109UR/TR

Single Zener Diodes Overview

The Microchip Technology 1N4109UR/TR is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 15 V with a tight tolerance of 1%. The device operates in the SMD/SMT package DO-213AA-2 and dissipates up to 500 mW. Key electrical parameters include a maximum reverse leakage current of 50 nA, a Zener impedance of 100 Ohms, and a test current of 250 uA. It supports an operating temperature range from -65 C to +175 C.

Single Zener Diodes Feature Summary

• Provides precise voltage regulation with 1% tolerance at 15 V
• Operates reliably across extended industrial temperature ranges
• Designed for surface-mount integration via DO-213AA-2 packaging

Single Zener Diodes Applications

• Precision voltage reference circuits
• Overvoltage protection stages
• Voltage regulator power supplies

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure compatibility with required tolerance levels and packaging formats. Confirm that the DO-213AA-2 footprint matches the target PCB design constraints. Cross-reference the manufacturer's latest documentation to validate environmental compliance status and operational limits before finalizing procurement specifications.

Single Zener Diodes Selection Notes

Select this component when high precision is required due to its 1% voltage tolerance compared to standard 5% variants. Ensure the application environment remains within the specified -65 C to +175 C thermal boundaries. Verify that the 500 mW power dissipation rating aligns with the circuit's thermal management capabilities and that the low leakage current meets system noise requirements.

Single Zener Diodes Part Context

This part belongs to the Microchip 1N41xx series of round-end voltage regulators. These components are engineered for stable performance in demanding electronic environments. The series offers various voltage options while maintaining consistent physical dimensions and electrical characteristics suitable for general-purpose regulation tasks.

Single Zener Diodes Replacement Considerations

Direct substitutes include the JANTX1N4109-1 for through-hole equivalents or other 1N4109 variants with matching 15 V ratings. Verify pinout compatibility and package type differences when transitioning between surface-mount and through-hole implementations.