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Product Detailed Parameters
- Description：DIODE CUR REG 100V 1.1MA 500MW
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Anode - Cathode (Vak)(Max)：100V
- Regulator Current (Max)：1.1mA
- Voltage - Limiting (Max)：1.35V
- 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 1N5297-1/TR is a current regulator diode belonging to the 1N5283-1 through 1N5314-1 series. It provides a regulated current of 1.1 mA with a maximum power dissipation of 475 mW and a maximum voltage rating of 100 V. The device utilizes a DO-7 axial-leaded package suitable for through-hole mounting. This component functions as a constant current source, offering stability over a broad voltage range.
Feature Summary
- Provides stable current regulation across a wide operating voltage range
- Features a robust DO-7 axial-leaded package with double-plug internal bond connection
- Serves as a functional counterpart to Zener diodes by regulating current rather than voltage
Applications
- Constant current sources for LED biasing
- Current limiting in transistor base drive circuits
- Active load applications in test equipment
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm tape-and-reel packaging and commercial grade status. Ensure compatibility with MIL-PRF-19500/463 requirements if military qualification is necessary, as standard commercial versions may differ from JAN or JANTX variants.
Selection Notes
Select this part when a fixed low-current regulation between 0.22 mA and 4.7 mA is required. Confirm that the 10% tolerance meets circuit precision needs. Verify that the 100 V breakdown voltage exceeds the maximum voltage drop across the regulator in the intended application.
Part Context
This component is part of the popular 1N5283-1 through 1N5314-1 series of 0.5 W current regulators. The series offers a selection of currents in standard 10% tolerances within similar size axial-leaded packages, providing designers with versatile options for current control applications.
Replacement Considerations
Compatible substitutes include other parts from the 1N5283-1 through 1N5314-1 series with matching current ratings. Commercial equivalents from other manufacturers may be used if they meet the 1.1 mA regulation, 100 V rating, and DO-7 package constraints.
