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Product Detailed Parameters
- Description：100V .68MA TH DIODE-CURRENT LIMI
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Box
- Voltage - Anode - Cathode (Vak)(Max)：100V
- Regulator Current (Max)：782µA
- Voltage - Limiting (Max)：1.15V
- 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 1N5293 BK TIN/LEAD is a silicon current regulator diode housed in an axial DO-204AA (DO-7) through-hole package. It provides a regulated current of 0.68 mA with a maximum voltage rating of 100 V and a power dissipation of 475 mW. The device operates within a temperature range of -55°C to 200°C, featuring a maximum knee impedance of 400 kΩ and a limit voltage of 1.15 V.
Feature Summary
- Maintains stable current regulation across varying load conditions
- Operates reliably at elevated temperatures up to 200°C
- Utilizes a robust glass encapsulated axial leaded construction
Applications
- Constant current sources for LED biasing
- Transistor biasing circuits
- Current limiting protection stages
Procurement Notes
Verify the specific suffix 'BK TIN/LEAD' against the manufacturer's official datasheet to confirm terminal plating composition and packaging format. Ensure the procurement channel sources directly from authorized distributors or the manufacturer to guarantee component authenticity and traceability.
Selection Notes
Select this component when a fixed low-current sink is required without active feedback loops. The high operating temperature capability allows use in harsh environments where standard plastic-packaged alternatives may fail. Verify that the 100 V breakdown voltage meets the circuit's maximum potential requirements.
Part Context
This part belongs to the standard 1N52xx series of current regulator diodes manufactured by Central Semiconductor. These devices are designed as passive alternatives to active current sources, offering simplicity in circuit design. The DO-7 package is a legacy form factor commonly used in industrial and military applications requiring high thermal stability.
Replacement Considerations
Cross-reference with Microchip Technology 1N5293 or NXP (Motorola) equivalents. Confirm that replacement parts maintain the same 0.68 mA regulation current and DO-204AA footprint to ensure mechanical and electrical compatibility.
