1N4753AUR

Overview

The Microchip Technology 1N4753AUR is a single Zener diode designed for surface-mount applications. It features a nominal Zener voltage of 36 V with a tolerance of ±5%. The device supports a maximum power dissipation of 1 W and operates within an extended temperature range from -65°C to +175°C. Packaged in the DO-213AB MELF glass housing, it exhibits a maximum reverse leakage current of 100 nA and a Zener impedance of 50 Ohms at the specified test current.

Feature Summary

• Surface-mount construction utilizing a hermetically sealed glass MELF package for robust environmental protection
• Extended thermal stability enabling reliable operation across extreme industrial temperature ranges
• High-reliability silicon design suitable for critical voltage regulation tasks

Applications

• Voltage reference circuits requiring stable DC levels
• Overvoltage protection stages in sensitive electronic systems
• Clamping applications in signal conditioning paths

Procurement Notes

Verify RoHS compliance status as documentation indicates non-compliance. Confirm package type matches DO-213AB specifications. Validate operating temperature limits against system requirements. Ensure supplier provides official datasheets for electrical parameter verification prior to integration.

Selection Notes

Select this component when surface-mount technology is required for 36 V regulation. Compare leakage current and impedance values against circuit sensitivity requirements. Verify that the glass MELF package fits the available PCB footprint. Consider thermal management capabilities given the high maximum junction temperature rating.

Part Context

This part belongs to the standard 1N47xx series of Zener diodes manufactured by Microchip Technology. It represents a transition from through-hole variants to surface-mount implementations while maintaining similar electrical characteristics. The series is widely used in general-purpose voltage regulation and protection applications.

Replacement Considerations

The 1N4753AUR/TR is documented as a parameter-equivalent substitute offering identical electrical performance in reel packaging.