ChipApex | Global Electronic Components Supplier
S4X8BSRP1
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：SCR 400V 800MA SOT89
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR)
- Voltage - Off State：400 V
- Voltage - Gate Trigger (Vgt) (Max)：800 mV
- Current - Gate Trigger (Igt) (Max)：200 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
- Mounting Type：Surface Mount
- Package / Case：TO-243AA
- Supplier Device Package：SOT-89
- 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
Download product information
Overview
The Littelfuse S4X8BSRP1 is a Silicon Controlled Rectifier (SCR) from the SxX8xSx series, designed for surface-mount applications in the SOT-223-3 package. It features an 800 mA RMS on-state current and a 400 V rated repetitive off-state voltage. The device has a sensitive gate with a maximum gate trigger current of 200 µA and a gate trigger voltage of 800 mV. Key electrical parameters include a forward voltage of 1.7 V, a holding current of 5 mA maximum, 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
- Sensitive gate architecture enabling reliable triggering with low gate current requirements.
- Surface-mount construction in a compact SOT-223-3 package for automated assembly.
- High thermal stability supporting operation up to +125°C junction temperature.
Applications
- Solid-state relay input stages
- Industrial motor control circuits
- Power supply switching applications
Procurement Notes
Verify the specific suffix '1' against the manufacturer's official datasheet to confirm package or tape-and-reel specifications. Ensure the component matches the required 400V rating and SOT-223-3 footprint for your design. Cross-reference the Littelfuse part number directly to avoid confusion with similar series variants.
Selection Notes
Select this SCR when a 400V blocking voltage and 800mA continuous current are required in a small surface-mount form factor. The sensitive gate characteristic simplifies drive circuit design by minimizing the necessary trigger power. Verify that the application does not exceed the 10A non-repetitive surge limit.
Part Context
This component belongs to the SxX8xSx family of thyristors, which are optimized for general-purpose switching. The S4 prefix typically denotes the 400V voltage class within this series. These devices are commonly used as alternatives to through-hole SCRs in space-constrained PCB layouts.
Replacement Considerations
Publicly confirmed substitute part numbers for S4X8BSRP1 were not found in the provided source material. Consult Littelfuse documentation for direct equivalents or verify compatibility with other S4X8xxRP variants based on voltage and current ratings.
