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Product Detailed Parameters
- Description:SCR 800V 800MA SOT223
- Series:-
- Mfr:Littelfuse Inc.
- Package:Tape & Reel (TR),Cut Tape (CT)
- Voltage - Off State:800 V
- Voltage - Gate Trigger (Vgt) (Max):800 mV
- Current - Gate Trigger (Igt) (Max):50 µA
- Current - Hold (Ih) (Max):5 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm):8A, 10A
- SCR Type:Sensitive Gate
- Operating Temperature:-40°C ~ 125°C
- Grade:-
- Qualification:-
- Mounting Type:Surface Mount
- Package / Case:TO-261-4, TO-261AA
- Supplier Device Package:SOT-223
- Voltage - On State (Vtm) (Max):1.7 V
- Current - On State (It (AV)) (Max):510 mA
- Current - On State (It (RMS)) (Max):800 mA
- Current - Off State (Max):3 µA
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Overview
The Littelfuse S8X8TS2RP is a Silicon Controlled Rectifier (SCR) from the SxX8xS series, housed in an SOT-223-3 surface-mount package. It features a rated repetitive off-state voltage of 800 V and an RMS on-state current of 800 mA. The device has a maximum gate trigger current of 50 uA and a gate trigger voltage of 800 mV. Key electrical parameters include a holding current of 5 mA, a forward voltage of 1.7 V, and a non-repetitive peak on-state current of 10 A. It operates within a temperature range of -40 C to +125 C.
Feature Summary
- High reliability construction suitable for demanding environments
- Surface mount design for automated PCB assembly
- Low gate sensitivity for efficient triggering
Applications
- AC power control circuits
- Lighting dimmer applications
- Motor speed control systems
Procurement Notes
Verify component authenticity by checking manufacturer markings against official datasheets. Confirm RoHS compliance status through certified documentation. Ensure storage conditions maintain device integrity prior to soldering. Validate package type matches design requirements.
Selection Notes
Select this SCR based on its 800 V blocking capability and 800 mA continuous current rating. Consider the low gate trigger current for sensitive drive circuits. Evaluate thermal management needs given the SOT-223-3 package constraints. Verify compatibility with operating temperature ranges up to 125 C.
Part Context
This component belongs to the SxX8xS series of silicon controlled rectifiers manufactured by Littelfuse. These devices are designed for general purpose power control applications requiring reliable switching performance in compact surface mount formats.
Replacement Considerations
Consult official Littelfuse substitution guides for verified equivalents. Cross-reference electrical parameters such as voltage ratings and current capacities before implementation.
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