1N4753AP/TR8

Overview

The Microchip Technology 1N4753AP/TR8 is a silicon planar Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 36 V with a tight tolerance of ±2%. 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-41 axial leaded format, it offers low reverse leakage current and stable impedance characteristics suitable for precision circuits.

Feature Summary

• Provides precise voltage regulation with a ±2% tolerance on the 36 V Zener voltage.
• Capable of handling high thermal loads with a 1 W power dissipation rating.
• Engineered for extreme environments with an operational temperature range extending to +175°C.

Applications

• Precision voltage reference circuits requiring tight tolerance stability
• Overvoltage protection stages in industrial control systems
• Power supply regulation modules operating under high thermal stress

Procurement Notes

Verify the specific suffix AP indicates the tighter ±2% tolerance compared to standard variants. Confirm the TR8 packaging designation aligns with reel-based automated assembly requirements. Ensure the DO-41 through-hole package matches the target PCB footprint constraints before finalizing procurement orders.

Selection Notes

Select this component when circuit design demands superior voltage accuracy over standard ±5% Zener diodes. The high-temperature capability makes it suitable for automotive or aerospace environments where standard commercial grade parts may fail. Compare against lower-power alternatives if space constraints require smaller packages like SOD-80.

Part Context

This part belongs to the 1N47xx series of high-power Zener diodes manufactured by Microchip Technology. It serves as a robust solution for discrete voltage clamping and regulation tasks. The axial DO-41 package provides mechanical durability and efficient heat dissipation compared to surface-mount equivalents in similar power classes.

Replacement Considerations

The 1N4753A is a compatible alternative but typically carries a wider ±5% tolerance rather than the ±2% specified for the AP variant. Verify that the replacement meets the strict voltage accuracy requirements of the original design before substitution.