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SK015L
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Product Detailed Parameters
- Description：SCR 1KV 15A 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)：188A, 225A
- 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)：9.5 A
- Current - On State (It (RMS)) (Max)：15 A
- Current - Off State (Max)：20 µA
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Overview
The Littelfuse SK015L is a Silicon Controlled Rectifier (SCR) rated for 1000V repetitive peak reverse voltage and 15A average on-state current. It utilizes a TO-220AB flange mount package with an isolated case connection, facilitating direct heatsink attachment without external insulators. Key electrical characteristics include a maximum DC gate trigger current of 30 mA, a holding current of 40 mA, and a non-repetitive peak surge current capability of 225 A. The device features a critical rate of rise of off-state voltage (dv/dt) of 200 V/µs and complies with RoHS standards.
Feature Summary
- Isolated flange mount construction eliminates the need for separate insulating hardware during installation.
Applications
- Industrial motor control circuits
- High-voltage power supply regulation
- AC phase control applications
Procurement Notes
Verify the specific suffix against the manufacturer's official datasheet to confirm exact electrical tolerances and packaging variations. Ensure the procurement documentation explicitly lists the TO-220AB package style and isolated tab configuration to match design requirements. Confirm RoHS compliance status through the supplier's certificate of conformity prior to ordering.
Selection Notes
Select this component when a high-voltage SCR requires an electrically isolated mounting surface for efficient thermal management. The 15A current rating suits moderate power industrial loads, while the 1000V blocking voltage provides safety margin in mains-connected systems. Verify that the gate trigger parameters align with the driving circuit's output capabilities.
Part Context
This part belongs to the Littelfuse SCRs product line, designed for robust switching in power electronics. The SK series typically offers standard silicon rectification capabilities within the TO-220 form factor, balancing current handling with compact thermal solutions for chassis-mounted applications.
Replacement Considerations
Consult Littelfuse official substitution guides for compatible SCRs with matching voltage, current, and package specifications. Generic replacements must maintain the isolated flange mount configuration to ensure proper grounding and thermal interface compatibility.
FAQ
What is the maximum DC gate trigger current?
The maximum DC gate trigger current is 30 mA.
Does the device have an isolated case?
Yes, the SK015L features an isolated case connection suitable for direct heatsink mounting.
