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Product Detailed Parameters
- Description：DIODE CUR REG 100V 1.65MA 500MW
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Anode - Cathode (Vak)(Max)：100V
- Regulator Current (Max)：1.65mA
- Voltage - Limiting (Max)：1.6V
- 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 1N5302-1/TR is a current regulator diode manufactured by Microchip Technology, designed for surface-mount applications. It provides a regulated current of 1.65 mA with a maximum peak operating voltage of 100 V and a maximum regulator voltage of 1.6 V. The device dissipates up to 475 mW and operates within a temperature range of -65°C to +175°C. Housed in the DO-213AB (SOD-323) package, it features a minimum dynamic impedance of 510 kΩ and a minimum knee impedance of 105 kΩ.
Feature Summary
- Provides stable current regulation without requiring external components
- Capable of operation at elevated temperatures up to 175°C
- Designed for compact surface-mount integration
Applications
- Biasing circuits for LEDs and laser diodes
- Current limiting protection for sensitive semiconductor junctions
- Reference current sources in analog signal processing
Procurement Notes
Verify the specific suffix configuration against official datasheets to ensure compatibility with required packaging and environmental standards. Confirm that the manufacturer's current production status aligns with project timelines before finalizing component selection.
Selection Notes
Select this component when a fixed low-current source is required in a small form factor. Ensure the circuit design accommodates the 100 V maximum voltage rating and verify that the thermal environment supports the specified high-temperature operational range.
Part Context
This part belongs to the 1N53xx series of current regulator diodes from Microchip Technology. These devices utilize Zener breakdown principles to maintain constant current flow regardless of voltage fluctuations across the device, offering a simple alternative to active transistor-based current sources.
Replacement Considerations
Consult official substitution guides for equivalent current regulator diodes with matching 1.65 mA ratings and SOD-323 packages. Verify pinout compatibility and electrical parameter tolerances before implementing any cross-brand replacements.
