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Product Detailed Parameters
- Description:DIODE ZENER 4.3V 500MW DO204AH
- Series:-
- Mfr:Microchip Technology
- Package:Bulk
- Voltage - Zener (Nom) (Vz):4.3 V
- Tolerance:±5%
- Power - Max:500 mW
- Impedance (Max) (Zzt):-
- Current - Reverse Leakage @ Vr:4 µA @ 2 V
- Operating Temperature:-65°C ~ 175°C (TJ)
- 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 1N4687 is a silicon Zener diode designed for voltage regulation applications. It operates in the breakdown region to maintain a stable reference voltage across connected circuits. The component utilizes a glass passivation process to ensure reliability and environmental stability. It is manufactured as a single-element device intended for through-hole mounting configurations.
Feature Summary
- Provides stable voltage regulation via controlled reverse breakdown characteristics
- Utilizes glass passivation for enhanced environmental durability
- Designed for reliable operation in general-purpose voltage reference circuits
Applications
- Voltage reference circuits requiring stable DC levels
- Overvoltage protection stages in signal paths
- General-purpose voltage regulation tasks
Procurement Notes
Verify the specific manufacturer source, as this part number is produced by multiple semiconductor vendors including Microchip, Vishay, and others. Confirm that the selected unit matches the required electrical tolerances and package specifications. Ensure compliance with relevant industry standards before integration into final designs.
Selection Notes
Select this component when a standard Zener voltage regulator is required for low-power applications. Consider the power dissipation limits and thermal management requirements of the target circuit. Verify compatibility with existing PCB footprints and assembly processes during the design phase.
Part Context
This device belongs to the broader category of Zener diodes used for voltage control. It serves as a fundamental passive component in electronic systems where precise voltage levels must be maintained despite input fluctuations or load variations.
Replacement Considerations
Compatible substitutes include parts from other manufacturers such as Vishay or Central Semiconductor. Ensure replacement units match the original voltage rating and package type to maintain circuit integrity.
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