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1N4685E3
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Product Detailed Parameters
- Description：DIODE ZENER 3.6V 500MW DO204AH
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：3.6 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：7.5 µA @ 2 V
- Operating Temperature：-65°C ~ 175°C
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 200 mA
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N4685E3 is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 3.6 V with a tolerance of 5%. The device operates in a DO-7-2 through-hole package and dissipates up to 500 mW of power. Key electrical characteristics include a maximum reverse leakage current of 7.5 uA at the test current of 50 uA, a forward voltage of 1.1 V at 200 mA forward current, and a Zener test current of 150 mA. It supports an operating temperature range from -65°C to +175°C.
Feature Summary
- Provides stable voltage regulation using Zener breakdown characteristics within specified tolerances.
- Capable of handling high thermal loads with a maximum power dissipation rating of 500 mW.
- Engineered for extended operational reliability across extreme environmental temperatures.
Applications
- Voltage reference circuits requiring precise potential levels
- Overvoltage protection stages in electronic systems
- Clamping applications for signal lines
Procurement Notes
Verify the specific suffix E3 confirms lead-free compliance and RoHS status against the manufacturer's latest documentation. Confirm the DO-7-2 package dimensions match your PCB footprint requirements. Ensure the 3.6 V Zener voltage tolerance aligns with your circuit design margins before finalizing procurement orders.
Selection Notes
Select this component when a low-voltage reference near 3.6 V is required in a through-hole configuration. Consider the 500 mW power rating for thermal management needs. Evaluate the wide temperature range suitability for harsh environments compared to standard commercial grade alternatives.
Part Context
This part belongs to the standard Zener diode category manufactured by Microchip Technology. It utilizes the legacy 1N4685 designation adapted for modern manufacturing standards. The device serves as a fundamental discrete semiconductor component for basic analog circuit functions.
Replacement Considerations
Consult official substitution guides for compatible equivalents. Verify pinout compatibility and electrical parameter overlaps before integrating alternative components into existing designs.
