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Product Detailed Parameters
- Description：DIODE CUR REG 100V 1.65MA 500MW
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- 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：Surface Mount
- Package / Case：DO-213AB, MELF (Glass)
- Supplier Device Package：DO-213AB (MELF, LL41)
- Grade：-
- Qualification：-
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Overview
The 1N5302UR-1 is a current regulator diode manufactured by Microchip Technology, designed for surface-mount applications. It operates within the DO-213AB-2 package and supports a maximum peak working voltage of 100 V. The device regulates a maximum current of 1.65 mA with a power dissipation rating of 475 mW. It functions across an extended temperature range from -65 °C to +175 °C. Key electrical characteristics include a maximum limit voltage of 1.6 V, a minimum dynamic impedance of 510 kΩ, and a minimum knee impedance of 105 kΩ.
Feature Summary
- Provides stable current regulation in a compact round-end SMT package.
Applications
- Current limiting circuits
- Biasing networks
- Voltage reference stabilization
Procurement Notes
Verify the specific ordering suffix and packaging configuration against official Microchip documentation before procurement. Confirm that the component meets all required environmental and reliability standards for the intended application environment. Ensure compatibility with existing supply chain requirements and quality certifications.
Selection Notes
Select this component when a precise current regulation value near 1.65 mA is required in a surface-mount form factor. Consider the 100 V breakdown voltage and wide operating temperature range for harsh environments. Evaluate the impedance specifications to ensure they meet the circuit's stability requirements.
Part Context
This part belongs to the 1N5302 series of current regulator diodes produced by Microchip Technology. It shares functional similarities with other devices in the series but differs in specific current ratings and package types. The UR-1 designation indicates a specific surface-mount variant within the broader product family.
Replacement Considerations
Direct substitutes may include other 1N5302 series variants from Microchip or equivalent current regulator diodes from other manufacturers, provided they match the 1.65 mA regulation current, 100 V voltage rating, and DO-213AB-2 package dimensions.
