1N4436FT

Overview

The Microchip Technology 1N4436FT is a Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 75 V with a tolerance of ±5%. The device has a maximum power dissipation of 500 mW and operates within a temperature range of -65 °C to +200 °C. It utilizes an axial leaded package configuration, specifically the DO-35 style, suitable for through-hole mounting. The component exhibits a maximum reverse leakage current of 1 µA at the rated voltage and maintains a Zener impedance of 1 kΩ when tested at a current of 3 mA.

Feature Summary

• Provides stable voltage regulation in the high-voltage range up to 75 V
• Capable of operation at elevated temperatures reaching 200 °C
• Features low reverse leakage current for efficient circuit performance

Applications

• Voltage reference circuits requiring high stability
• Overvoltage protection stages in electronic systems
• Clamping applications in signal processing paths

Procurement Notes

Verify the specific suffix FT against official Microchip documentation to confirm tape-and-reel packaging specifications. Ensure that the ordering information matches the exact electrical tolerances and thermal ratings required by the design. Cross-reference the manufacturer part number with authorized distributors to confirm authenticity and availability status before finalizing procurement plans.

Selection Notes

Select this component when a 75 V regulation point is required with a 500 mW power rating. The wide operating temperature range makes it suitable for harsh environments. Verify that the circuit design accommodates the specified Zener impedance and leakage current characteristics to ensure proper functionality under all expected load conditions.

Part Context

This component belongs to the standard Zener diode family produced by Microchip Technology. It serves as a discrete semiconductor solution for maintaining constant voltage levels in analog and digital circuits. The axial package allows for easy integration into printed circuit boards using traditional through-hole assembly techniques.

Replacement Considerations

Consult official substitution guides for compatible equivalents. Verify that any alternative device meets the same voltage, power, and temperature specifications.