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SJ6020L2ATP
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Product Detailed Parameters
- Description：HT SCR 600V 20A TO220L ACEQ
- Series：SJ
- Mfr：Littelfuse Inc.
- Package：Tube
- Voltage - Off State：600 V
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：10 mA
- Current - Hold (Ih) (Max)：35 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：225A, 300A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-220-3 Full Pack, Isolated Tab
- Supplier Device Package：ITO-220AB
- 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)：10 µA
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Overview
The Littelfuse SJ6020L2ATP is a high junction temperature Silicon-Controlled Rectifier (SCR) from the SJxx20xxA series. It features a 400 V rated repetitive off-state voltage and an RMS on-state current of 20 A at a case temperature of 105 °C. The device utilizes an isolated TO-220L package with a maximum junction temperature of 150 °C. Key electrical characteristics include a maximum gate trigger current of 10 mA, a holding current of 75 mA, and a peak non-repetitive surge current capability of 300 A at 60 Hz. It is qualified to AEC-Q101 standards.
Feature Summary
- Isolated mounting tab design for simplified heat sinking
- High thermal stability with a 150°C maximum junction temperature rating
- Sensitive gate control allowing direct interfacing with microprocessors
- Automotive-grade qualification ensuring reliability in demanding environments
Applications
- AC generator rectifiers
- Battery voltage regulators
- Inrush current controllers
- Power tool controls
- White goods appliances
Procurement Notes
Verify the specific ordering suffix against the manufacturer's datasheet to confirm the exact package type, sensitivity class, and packing mode. Confirm that the component meets RoHS compliance and halogen-free requirements for your assembly process. Ensure the selected part number aligns with the required voltage and current ratings for the target circuit design.
Selection Notes
Select this component when an isolated SCR package is required for effective thermal management. The 10 mA gate sensitivity offers a balance between noise immunity and drive power. Verify that the application's peak surge currents remain within the 300 A limit and that the operating junction temperature does not exceed 150 °C under worst-case conditions.
Part Context
This device belongs to the SJxx20xxA family of 20 Amp high temperature SCRs. The 'L' designation indicates an isolated TO-220 package, while '2' specifies the 10 mA gate sensitivity class. The 'TP' suffix denotes tube packaging. This series is designed for uni-directional switching applications requiring robust performance in heating and motor speed control circuits.
Replacement Considerations
Direct replacements within the same series include SJ6020R2ATP (non-isolated TO-220R) or SJ6020N2ATP (surface mount TO-263). Cross-family substitutes like SV6020L2ATP may share similar electrical parameters but require verification of package isolation and specific thermal resistance values.
