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S402ES1
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Product Detailed Parameters
- Description：SEN SCR 400V 1.5A 100 A TO92WB
- Series：EV
- Mfr：Littelfuse Inc.
- Package：Bulk
- Voltage - Off State：400 V
- Voltage - Gate Trigger (Vgt) (Max)：800 mV
- Current - Gate Trigger (Igt) (Max)：100 µA
- Current - Hold (Ih) (Max)：3 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：12.5A, 15A
- SCR Type：Sensitive Gate
- Operating Temperature：-40°C ~ 125°C (TJ)
- 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)：950 mA
- Current - On State (It (RMS)) (Max)：1.5 A
- Current - Off State (Max)：5 µA
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Overview
The S402ES1 is a Silicon Controlled Rectifier (SCR) manufactured by Littelfuse, belonging to the Sx02xS series. It features a rated repetitive off-state voltage (VDRM) of 400 V and an on-state current rating of 1.5 A. The device exhibits a maximum off-state leakage current of 5 uA at VDRM. Designed for surface mount applications, it utilizes an SOT-223-3 package configuration. This component serves as a thyristor solution for power control circuits requiring compact form factors.
Feature Summary
- Surface mount construction in a compact SOT-223-3 package
- Rated for 400 V repetitive off-state blocking voltage
- Handles 1.5 A on-state current with low leakage characteristics
Applications
- General purpose AC/DC power control circuits
- Solid state relay driver stages
- Lighting dimmer applications
Procurement Notes
Verify the specific ordering suffix against official Littelfuse documentation to ensure correct packaging and tape-and-reel specifications. Confirm RoHS compliance status and REACH SVHC declarations prior to integration into final assemblies to meet regulatory requirements.
Selection Notes
Select this component when a 400 V blocking capability and 1.5 A load current are required within a small surface-mount footprint. Ensure the gate trigger characteristics align with the driving circuit's output capabilities. Verify thermal management requirements for the SOT-223 package under continuous operating conditions.
Part Context
This part belongs to the Littelfuse Sx02xS family of surface mount SCRs. These devices are engineered to replace traditional through-hole thyristors in space-constrained designs while maintaining reliable switching performance for industrial and consumer electronics applications.
Replacement Considerations
Consult Littelfuse official substitution guides for direct replacements. Verify pinout compatibility and electrical parameter equivalence before substituting with components from other manufacturers.
