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S8X5ECS2AP
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Product Detailed Parameters
- Description：SCR SEN 800V 0.5A TO-92WB
- Series：EV
- Mfr：Littelfuse Inc.
- Package：Cut Tape (CT),Tape & Box (TB)
- Voltage - Off State：800 V
- Voltage - Gate Trigger (Vgt) (Max)：800 mV
- Current - Gate Trigger (Igt) (Max)：50 µA
- Current - Hold (Ih) (Max)：3 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：10A, 12A
- SCR Type：Sensitive Gate
- Operating Temperature：-40°C ~ 125°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：TO-92
- Voltage - On State (Vtm) (Max)：1.8 V
- Current - On State (It (AV)) (Max)：300 mA
- Current - On State (It (RMS)) (Max)：500 mA
- Current - Off State (Max)：3 µA
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Overview
The S8X5ECS2AP is a sensitive gate silicon controlled rectifier (SCR) from Littelfuse, designed for high-performance switching applications. It features an 800V blocking voltage and a continuous on-state current of 0.5A. The device supports a non-repetitive surge current of up to 100A at 50/60Hz. It operates within a junction temperature range of -40°C to +125°C and utilizes a TO-92WB through-hole package.
Feature Summary
- Sensitive gate structure for reliable triggering with low gate current requirements
- High static dv/dt capability combined with low turn-off time for fast response
- Robust surge current handling suitable for demanding power control environments
Applications
- Ground Fault Circuit Interrupter (GFCI) protection circuits
- Overvoltage protection systems
- General purpose power control applications
Procurement Notes
Verify the specific suffix '2' in the part number against official Littelfuse documentation to confirm the exact electrical characteristics and package variant. Ensure that the selected component matches the required thermal management specifications for the intended operating environment. Cross-reference datasheet parameters with system design constraints before finalizing procurement decisions.
Selection Notes
Select this component when a sensitive gate SCR is required for ground fault or overvoltage protection applications. Consider the 800V rating and 0.5A current capacity relative to circuit load requirements. Evaluate the TO-92WB package for compatibility with existing board layouts and mounting constraints. Confirm thermal dissipation capabilities align with the expected duty cycle and ambient temperature conditions.
Part Context
This device belongs to the S8X5ECSx EV Series, which is engineered specifically for Ground Fault Circuit Interrupter applications. The series emphasizes high static dv/dt performance and rapid turn-off times to ensure safety compliance and reliability in protective circuitry.
Replacement Considerations
Consult official Littelfuse substitution guides for verified alternatives. Generic replacements may not match the sensitive gate characteristics or specific dv/dt ratings required for GFCI applications.
