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S2S2RP
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Product Detailed Parameters
- Description：SCR 200V 800MA DO214
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Off State：200 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)：16A, 20A
- SCR Type：Sensitive Gate
- Operating Temperature：-40°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：DO-214AA, SMB (3 Leads), Compak
- Supplier Device Package：DO-214 (Compak)
- 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)：1 µA
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Overview
The Littelfuse S2S2RP is a silicon-controlled rectifier (SCR) from the SxSx series, designed for sensing applications. It features a rated repetitive off-state voltage of 200 V and an RMS on-state current of 800 mA. The device operates within a temperature range of -40°C to +110°C and is housed in a DO-214AB-2 surface-mount package. Key electrical parameters include a gate trigger voltage of 800 mV, a gate trigger current of 50 µA, and a maximum holding current of 5 mA. It exhibits a forward voltage drop of 1.7 V and a non-repetitive peak on-state current capability of 20 A.
Feature Summary
- Surface-mount construction in a compact DO-214AB-2 package for automated PCB assembly
- Low gate trigger current requirement for efficient control circuit interfacing
- High surge current handling capability for transient protection scenarios
Applications
- AC power switching circuits requiring low-power gate drive
- Motor speed control systems utilizing phase-angle firing
- Lighting dimmer applications for residential or commercial loads
Procurement Notes
Verify the specific suffix and marking code against the manufacturer's latest datasheet to ensure compatibility with design requirements. Confirm RoHS compliance status and REACH SVHC declarations prior to integration. Validate that the DO-214AB-2 footprint matches the intended PCB layout and soldering profile specifications.
Selection Notes
Select this component based on the required 200 V blocking voltage and 800 mA continuous current rating. Ensure the gate trigger characteristics align with the available drive voltage and current from the control logic. Consider the thermal management requirements for the operating environment given the 110°C maximum junction temperature limit.
Part Context
This part belongs to the Littelfuse SxSx series of surface-mount SCRs. These devices are engineered for high-reliability sensing and switching applications where space constraints necessitate compact packaging. The series offers various voltage ratings to suit different AC line voltages while maintaining consistent current handling capabilities.
Replacement Considerations
Direct substitutes may include other SxSx series parts with matching voltage ratings, such as the S4S2RP or S6S2RP, provided the higher voltage ratings do not impact circuit performance. Verify pinout compatibility and thermal characteristics before substitution.
