1N4685/TR

Overview

The Microchip Technology 1N4685/TR is a Zener diode with a nominal voltage of 3.6 V and a tolerance of 5%. It operates in the DO-7-2 (DO-35) through-hole package, dissipating up to 500 mW. The device supports an operating temperature range from -65°C to +175°C, features a maximum reverse leakage current of 7.5 µA, and has a forward voltage of 1.1 V at 200 mA.

Feature Summary

• Provides stable voltage regulation within a broad operational temperature range
• Features internal metallurgical bond construction for enhanced reliability
• Utilizes glass axial-leaded DO-35 package design

Applications

• Voltage regulation circuits
• Overvoltage protection systems
• Reference voltage generation

Procurement Notes

Verify that the specific suffix matches the required packaging format. Confirm compliance requirements against the official datasheet. Ensure the manufacturer designation aligns with project specifications before finalizing procurement orders.

Selection Notes

Select this component when a 3.6 V reference is required in a standard axial package. Consider the high-temperature rating for demanding environments. Verify power dissipation limits relative to ambient conditions.

Part Context

This part belongs to the 1N4678 through 1N4717 series of 0.5 W Zener Voltage Regulators. The series offers various voltage options in standard 5% tolerances. The 1N4685 specifically targets applications requiring a 3.6 V breakdown voltage.

Replacement Considerations

Equivalent parts include 1N4685-1TR and MX1N4685TR. These variants share similar electrical characteristics but may differ in screening levels or specific package details.