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1N5520A/TR
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Product Detailed Parameters
- Description：DIODE ZENER 3.9V 500MW DO204AH
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：3.9 V
- Tolerance：±10%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：1 µA @ 900 mV
- 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 1N5520A/TR is a single silicon Zener diode manufactured by Microchip Technology, designed for voltage regulation and reference applications. It features a nominal Zener voltage of 3.9 V with a tolerance of ±10% and a maximum power dissipation of 500 mW. The device utilizes a DO-204AH (DO-35) axial through-hole package and operates within a junction temperature range of -65°C to +175°C. Key electrical characteristics include a reverse leakage current of 1 µA at 900 mV and a forward voltage of 1.1 V at 200 mA.
Feature Summary
- Provides stable voltage regulation with low reverse leakage current characteristics
- Features double plug construction and metallurgically bonded design for reliability
- Offers low noise performance suitable for sensitive circuit applications
Applications
- Voltage regulation in electronic circuits
- Voltage reference sources
- Overvoltage protection
Procurement Notes
Verify the specific suffix /TR indicates tape and reel packaging when ordering. Confirm RoHS compliance status as it may vary by production batch or region. Ensure the DO-204AH package dimensions match the target PCB footprint requirements before finalizing procurement decisions.
Selection Notes
Select this component for applications requiring a precise 3.9 V reference with moderate power handling capabilities. Consider the axial leaded package for through-hole mounting processes. Evaluate the thermal management requirements given the 500 mW power dissipation limit and the specified operating temperature range.
Part Context
This part belongs to the 1N55xx series of Zener diodes produced by Microchip Technology. The series offers various voltage options within the same physical package format. The /TR suffix denotes a specific bulk packaging method distinct from standard retail or box packaging formats used for other variants in the lineup.
Replacement Considerations
Consult official datasheets for pin-compatible alternatives within the same voltage class. Verify that any substitute matches the 500 mW power rating and DO-204AH package constraints.
