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SJ6020LATP
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Product Detailed Parameters
- Description：SCR 600V 20A TO220L
- 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)：35 mA
- Current - Hold (Ih) (Max)：75 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 SJ6020LATP is a high-temperature Silicon-Controlled Rectifier (SCR) from the SJxx20xxA series, rated for 600 V repetitive peak off-state voltage and 20 A RMS on-state current. It features a maximum gate trigger current of 35 mA at approximately 1.5 V. The device operates within a junction temperature range of -40°C to +150°C and utilizes an isolated TO-220L package. Key electrical parameters include a maximum forward voltage of 1.6 V at 40 A, a non-repetitive surge current capability of 300 A at 60 Hz, and a critical rate of rise of on-state current of 125 A/µs.
Feature Summary
- High junction temperature capability up to 150°C for demanding thermal environments
- Isolated mounting tab design in TO-220L package for simplified heat sinking
- AEC-Q101 qualified with automotive Level manufacture control
- Sensitive gate triggering requiring low current levels for microprocessor interfacing
Applications
- AC Generator (ACG) rectifiers
- Battery voltage regulators
- Inrush current controllers in AC to DC applications
- Controls for power tools and home appliances
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to confirm package isolation type and gate sensitivity. Ensure that the selected component meets the required AEC-Q101 qualification standards if used in automotive contexts. Confirm thermal management requirements align with the specified case temperature ratings for continuous operation.
Selection Notes
Select this component when high junction temperature stability and isolated mounting are required. The 35 mA gate sensitivity suits applications where moderate drive currents are available. Evaluate the thermal resistance and allowable case temperature curves to ensure adequate heat dissipation for the intended RMS current load under worst-case ambient conditions.
Part Context
This part belongs to the SJxx20xxA series of 20 Amp high junction temperature SCRs manufactured by Littelfuse. The series offers various voltage ratings and gate sensitivities across different packages, including isolated TO-220L, non-isolated TO-220R, and surface-mount D2-Pak options, all designed for robust switching performance.
Replacement Considerations
Direct replacements within the same family include SJ6020L1TP (6mA sensitivity) or SJ6020L2TP (10mA sensitivity). Verify that substitute parts maintain the same TO-220L isolated package dimensions and thermal characteristics to fit existing board layouts and heatsinking solutions.
FAQ
What is the maximum gate trigger current for the SJ6020LATP?
The maximum gate trigger current (IGT) is 35 mA.
Does the SJ6020LATP feature an isolated package?
Yes, the 'L' in the part number indicates it uses the TO-220L package with an electrically isolated mounting tab.
What is the peak non-repetitive surge current rating?
The device supports a peak non-repetitive surge current of 300 A for a single half-cycle at 60 Hz.
