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SJ6020R1TP
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Product Detailed Parameters
- Description：SCR 600V 25A TO220R
- 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)：6 mA
- Current - Hold (Ih) (Max)：15 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
- Supplier Device Package：TO-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 SJ6020R1TP is a silicon-controlled rectifier (SCR) from the SJxx20xx series, designed for high-temperature uni-directional switching applications. It features a 600 V rated repetitive off-state voltage and an RMS on-state current of 20 A at a case temperature of 130 °C. The device has a sensitive gate trigger with a maximum gate trigger current of 6 mA at approximately 1.5 V. It supports a peak non-repetitive surge current of 300 A at 60 Hz half cycle and operates within a junction temperature range of -40 °C to +150 °C. Packaged in a TO-220-2 non-isolated configuration, it offers a maximum holding current of 15 mA and a forward voltage drop of 1.6 V.
Feature Summary
- High junction temperature capability up to 150 °C for robust thermal performance
- Sensitive gate design allowing direct interfacing with microprocessors via low trigger current
- Internally constructed isolated packages available for ease of heat sinking
Applications
- Phase control in heating systems
- Motor speed controls
- Capacitive discharge ignition systems for gas engines
- Strobe lights and nailers
- Inrush current controllers
Procurement Notes
Verify the specific ordering suffix against the manufacturer's datasheet to confirm package type and packing mode. Confirm that the component meets RoHS compliance and UL 1557 recognition requirements for your intended application environment. Ensure proper handling procedures are followed during assembly to maintain device integrity.
Selection Notes
Select this component when a 600 V blocking voltage and 20 A continuous current rating are required in a TO-220 form factor. Consider the 6 mA gate sensitivity for low-power drive circuits. Evaluate thermal management needs based on the specified case temperatures for RMS current derating curves provided in the datasheet.
Part Context
This part belongs to the SJxx20xx series of 20 Amp High Junction Temperature SCRs manufactured by Littelfuse. The series includes variants with different voltage ratings (400 V or 600 V) and gate sensitivities (6 mA, 10 mA, or 35 mA). The 'R' designation indicates a standard non-isolated TO-220 package, while '1' denotes the 6 mA gate sensitivity level.
Replacement Considerations
Direct replacements within the same series include SJ6020L1TP (isolated TO-220) and SJ6020N1TP (surface mount D2-Pak). Cross-series comparisons should verify matching voltage, current, and gate sensitivity parameters.
