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Product Detailed Parameters
- Description：DIODE CUR REG 100V 616UA 500MW
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Anode - Cathode (Vak)(Max)：100V
- Regulator Current (Max)：616µA
- Voltage - Limiting (Max)：1.1V
- Power - Max：500mW
- Applications：-
- Operating Temperature：-65°C ~ 175°C (TJ)
- Mounting Type：Through Hole
- Package / Case：DO-204AA, DO-7, Axial
- Supplier Device Package：DO-7
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N5291/TR is a current regulator diode designed for through-hole mounting. It provides a regulated current of 616 µA with a maximum voltage rating of 100 V and a power dissipation capacity of 500 mW. The component belongs to the current regulator diodes subcategory under diodes and rectifiers. It utilizes an axial leaded package suitable for standard PCB assembly processes.
Feature Summary
- Maintains constant current output across a wide range of applied voltages
- Functions as a current limiter in series with load circuits
- Provides stable biasing for semiconductor devices independent of supply fluctuations
Applications
- Biasing transistors and integrated circuits
- LED current limiting and regulation
- Protecting sensitive components from overcurrent conditions
Procurement Notes
Verify the specific suffix TR indicates tape and reel packaging configuration when sourcing. Confirm availability status as distribution channels may report limited stock or discontinuation. Ensure the through-hole form factor matches the target board design requirements before finalizing procurement orders.
Selection Notes
Select this component when a fixed low-current regulation value near 616 µA is required. Compare against other series members like 1N5285/TR for different current levels. Verify that the 100 V breakdown voltage exceeds the maximum circuit potential to ensure reliable operation without device failure.
Part Context
This part is part of the broader 1N52xx series of current regulator diodes manufactured by Microchip Technology. These devices serve as alternatives to Zener diodes, which regulate voltage rather than current. The series offers various current values within similar physical packages for diverse circuit design needs.
Replacement Considerations
Check for direct equivalents such as JAN1N5291UR-1 for surface mount applications if space constraints change. Verify electrical compatibility with other 616 µA current regulators from different manufacturers before substitution.
