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SJ6040R2ATP
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Product Detailed Parameters
- Description：40 AMP STANDARD SCR TO-220 NON-I
- Series：SJxx40xxA
- Mfr：Littelfuse Inc.
- Package：Tube
- Voltage - Off State：600 V
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：15 mA
- Current - Hold (Ih) (Max)：50 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：430A, 520A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220AB
- Voltage - On State (Vtm) (Max)：1.7 V
- Current - On State (It (AV)) (Max)：25 A
- Current - On State (It (RMS)) (Max)：40 A
- Current - Off State (Max)：10 µA
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Overview
The Littelfuse SJ6040R2ATP is a Silicon Controlled Rectifier (SCR) belonging to the SJxx40x series, designed for high-temperature operation up to a junction temperature of 150°C. It features a rated repetitive off-state voltage of 600 V and an on-state RMS current of 40 A. The device is housed in a TO-220AB through-hole package. Key electrical parameters include a maximum gate trigger current of 15 mA and a maximum gate trigger voltage of 1.5 V. It exhibits a maximum on-state voltage of 1.7 V and a non-repetitive peak surge current capability of 430 A at 50 Hz or 520 A at 60 Hz.
Feature Summary
- Capable of handling high load currents and occasional overloads under limited cooling conditions due to a 150°C junction temperature rating.
- Offers flexible installation options with availability in the TO-220AB package.
- Features high commutating dv/dt ratings to tolerate line noise and surges common in commercial AC power lines.
Applications
- Rectifiers
- Phase control applications
- Voltage regulators
- Heating systems
- Motor speed control
Procurement Notes
Verify the specific suffix 'R2ATP' against official Littelfuse documentation to confirm exact packaging and variant specifications. Ensure the component matches the required thermal and electrical ratings for the intended circuit design before procurement.
Selection Notes
Select this SCR for applications requiring robust performance in environments with limited cooling capabilities. Consider its 40 A RMS current rating and 600 V blocking voltage when designing circuits for industrial equipment, white goods, or motor controls where thermal stability is critical.
Part Context
This component is part of the SJxx40x series, Littelfuse's first SCR family rated for 600 V, 40 A, and 150°C. The series addresses thermal runaway risks in devices with constrained cooling, allowing designers to manage higher currents or utilize smaller heat sinks effectively.
Replacement Considerations
Consult Littelfuse official substitution guides for verified alternatives within the SJxx40x family or equivalent thyristors from other manufacturers that match the 600V/40A/TO-220AB specifications.
