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Product Detailed Parameters
- Description：100V .56MA TH DIODE-CURRENT LIMI
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tape & Reel (TR)
- Voltage - Anode - Cathode (Vak)(Max)：100V
- Regulator Current (Max)：644µA
- Voltage - Limiting (Max)：1.1V
- Power - Max：600mW
- Applications：LED Driver
- Operating Temperature：-65°C ~ 200°C (TJ)
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Supplier Device Package：DO-35
- Grade：-
- Qualification：-
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Overview
The Central Semiconductor Corp 1N5291 TR TIN/LEAD is a silicon current regulator diode designed for through-hole mounting in the DO-35 axial leaded package. It provides a regulated current of 616 µA with a maximum power dissipation of 500 mW. The device supports a maximum repetitive peak reverse voltage of 100 V and operates within a junction temperature range of -65°C to +200°C. This component functions as a constant current source, offering stability across a broad voltage range.
Feature Summary
- Provides stable current regulation over a wide operating voltage range
- Utilizes a robust axial-leaded DO-35 package for through-hole integration
- Engineered for high-temperature operation up to 200°C junction temperature
Applications
- Constant current sources for LED biasing
- Voltage reference stabilization circuits
- Transistor biasing networks
Procurement Notes
Verify the specific ordering suffix against manufacturer documentation to confirm tin/lead plating availability and reel packaging specifications. Confirm RoHS compliance status and environmental declarations prior to procurement, as regulatory requirements may vary by production batch and region.
Selection Notes
Select this component when a precise microampere-level current regulation is required without complex circuitry. Ensure the load voltage remains below the 100 V maximum limit and that the thermal design accommodates the 500 mW power dissipation at the expected ambient temperature.
Part Context
This part belongs to the 1N5283-1 through 1N5314-1 series of 0.5 W current regulators. These devices serve as counterparts to Zener diodes, regulating current over a broad voltage range rather than voltage over a broad current range, all within similar size axial-leaded packages.
Replacement Considerations
Cross-reference with other manufacturers' 1N5291 equivalents or parts from the same series (e.g., 1N5290, 1N5292) if current tolerance or package variations are acceptable. Verify pinout compatibility and electrical parameter overlaps before substitution.
