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SK020L
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Product Detailed Parameters
- Description：SCR 1KV 20A TO220
- Series：-
- Mfr：Littelfuse Inc.
- Package：Bulk
- Voltage - Off State：1 kV
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：30 mA
- Current - Hold (Ih) (Max)：40 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：255A, 300A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-220-3 Isolated Tab
- Supplier Device Package：TO-220 Isolated Tab
- Voltage - On State (Vtm) (Max)：1.6 V
- Current - On State (It (AV)) (Max)：12.8 A
- Current - On State (It (RMS)) (Max)：20 A
- Current - Off State (Max)：20 µA
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Overview
The SK020L is a thyristor manufactured by Littelfuse, specifically categorized as a standard phase control Silicon Controlled Rectifier (SCR). It features an electrically-isolated package design suitable for high-voltage applications. The device supports a voltage rating of up to 1000V and handles a continuous current of 20A. It includes surge current capability up to 100A and operates within a temperature range extending to +150°C junction temperature, with a maximum operating temperature of 125°C.
Feature Summary
- Electrically-isolated package construction
- Standard phase control triggering characteristics
- High surge current capability
Applications
- Phase control applications
- Heating controls
- Motor speed controls
Procurement Notes
Verify the specific datasheet version and manufacturer documentation to confirm exact electrical parameters and mechanical dimensions. Ensure the component meets RoHS compliance requirements if applicable to your project specifications. Cross-reference the part number with official Littelfuse catalogs to confirm availability and any potential ordering suffix variations that may affect performance or packaging.
Selection Notes
Select this component for unidirectional switching tasks requiring isolation between gate and main terminals. Consider the 1000V blocking voltage and 20A continuous current ratings against circuit demands. Evaluate thermal management needs given the +150°C junction rating. Ensure compatibility with standard phase control triggering methods rather than sensitive gate requirements.
Part Context
The SK020L belongs to the Low Power SCR series from Littelfuse, designed for voltages up to 1200V. It is part of the Teccor brand thyristor lineup, which focuses on robust switching solutions for industrial and consumer electronics. This series emphasizes reliability in phase control environments where electrical isolation is critical for safety and noise immunity.
Replacement Considerations
Consult Littelfuse official substitution guides for compatible SCRs within the same voltage and current class. Verify pinout compatibility and thermal resistance values when replacing with alternative manufacturers' parts. Ensure the substitute maintains the electrically-isolated package structure for equivalent safety performance.
