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Product Detailed Parameters
- Description：DIODE CUR REG 100V 242UA 500MW
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Anode - Cathode (Vak)(Max)：100V
- Regulator Current (Max)：242µA
- Voltage - Limiting (Max)：1V
- Power - Max：500mW
- Applications：-
- Operating Temperature：-65°C ~ 175°C (TJ)
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Supplier Device Package：DO-204AH (DO-35)
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N5283/TR is a current regulator diode designed for through-hole mounting in the DO-7-2 axial leaded package. It provides a regulated current of 242 uA with a maximum peak operating voltage of 100 V and a maximum limit voltage of 1 V. The device features a minimum dynamic impedance of 25 mOhms and a minimum knee impedance of 2.75 mOhms. It operates within a temperature range from -65 C to +175 C. The component has a power dissipation rating of 500 mW and is configured as a single unit.
Feature Summary
- Provides stable current regulation over a broad voltage range, serving as a counterpart to Zener diodes which regulate voltage.
- Features high source impedance for effective current limiting applications.
- Utilizes a double-plug internal bond connection within the DO-7 packaging for enhanced reliability.
Applications
- Current limiting circuits
- Biasing elements for transistors and LEDs
- Constant current sources
Procurement Notes
Verify the specific ordering suffix /TR indicates tape and reel packaging when sourcing. Confirm RoHS status as non-compliant based on available data. Ensure the JAN prefix variant requirements are met if military qualification is necessary for the application environment.
Selection Notes
Select this component when a fixed low-current regulation value near 242 uA is required. Consider the 100 V maximum voltage rating against circuit peaks. Evaluate the thermal performance at +175 C junction temperature limits. Compare with other series members like 1N5285-1 for different current levels.
Part Context
This part belongs to the 1N5283-1 thru 1N5314-1 series of 0.5 watt current regulators. The series offers currents ranging from 0.22 mA to 4.7 mA in standard 10% tolerances. These devices are JEDEC registered and provide axial-leaded options similar in size to Zener diodes.
Replacement Considerations
Direct substitutes include other parts in the 1N5283-1 to 1N5314-1 series from Microchip. Verify equivalent current ratings and voltage limits before substitution. Commercial equivalents may lack the JAN military qualification.
