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S8X8ES2
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Product Detailed Parameters
- Description：SCR 800V 800MA TO92
- Series：-
- Mfr：Littelfuse Inc.
- Package：Bulk
- 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：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：TO-92
- 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 S8X8ES2 is a silicon-controlled rectifier (SCR) from the SxX8xSx series, designed for through-hole mounting in TO-92 packages. It features an 800 V rated repetitive off-state voltage and supports an RMS on-state current of 800 mA. The device requires a gate trigger current of 50 uA and has a maximum holding current of 5 mA. Electrical characteristics include a forward voltage of 1.7 V, a leakage current of 3 uA at VDRM, and a peak non-repetitive on-state current of 10 A. It operates within a temperature range of -40 C to +125 C.
Feature Summary
- Sensitive gate control enabling reliable triggering with low input current
- High voltage blocking capability suitable for demanding power circuits
- Robust thermal performance allowing operation in elevated temperature environments
Applications
- AC switching and phase control applications
- Motor speed modulation controls
- Lighting controls and dimmers
Procurement Notes
Verify the exact suffix against official Littelfuse documentation to confirm package type and specific electrical tolerances. Ensure the procurement channel provides valid RoHS compliance data. Confirm that the TO-92 through-hole variant matches the design requirements before finalizing orders.
Selection Notes
Select this component when a sensitive gate SCR is required for AC phase control or solid-state switching. The 800 mA RMS rating and 800 V blocking voltage define its power handling limits. Verify that the 50 uA gate sensitivity aligns with the driving circuit capabilities and that the TO-92 package fits the PCB layout constraints.
Part Context
This part belongs to the SxX8xSx series of thyristors manufactured by Littelfuse. The series offers various voltage ratings and current capacities for general-purpose power control. The S8X8ES2 specifically targets applications requiring moderate current handling with high voltage isolation in a compact axial leaded package.
Replacement Considerations
Consult Littelfuse datasheets for direct cross-reference models within the S8X8 series. Verify pinout compatibility and thermal resistance values when substituting with other manufacturers' TO-92 SCRs. Ensure equivalent gate sensitivity and holding current specifications are met.
