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SCR5129SG
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Product Detailed Parameters
- Description：SOT223 SCR PB FREE
- Series：*
- Mfr：onsemi
- Package：Bulk
- Voltage - Off State：-
- Voltage - Gate Trigger (Vgt) (Max)：-
- Current - Gate Trigger (Igt) (Max)：-
- Current - Hold (Ih) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：-
- SCR Type：-
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Voltage - On State (Vtm) (Max)：-
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：-
- Current - Off State (Max)：-
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Overview
The SCR5129SG is a Silicon Controlled Rectifier (SCR) manufactured by onsemi, designed for high-power switching applications. It features a robust SOT-223 surface-mount package, facilitating automated assembly and compact board layouts. The device provides reliable gate triggering with low power requirements, ensuring efficient control in industrial and consumer electronics. Its construction supports high surge current handling capabilities, making it suitable for demanding environments where stable thyristor operation is critical.
Feature Summary
- Surface-mount SOT-223 packaging for automated assembly
- High surge current handling capability
- Low power gate triggering efficiency
Applications
- Industrial motor control systems
- Power supply regulation circuits
- Lighting dimmer applications
Procurement Notes
Verify the specific datasheet revision and electrical characteristics against the required application parameters before procurement. Ensure that the SOT-223 footprint matches the PCB design guidelines provided by onsemi. Confirm compliance with relevant industry standards and RoHS directives as specified in the official product documentation to ensure regulatory adherence.
Selection Notes
Select the SCR5129SG when a surface-mount thyristor with high surge capacity is required for compact designs. Consider its thermal performance and gate trigger specifications relative to the load conditions. Evaluate the SOT-223 package constraints against available board space and thermal dissipation requirements compared to through-hole alternatives.
Part Context
This component belongs to onsemi's discrete semiconductor product line, specifically within the thyristor category. It represents a solution for modern electronic designs requiring reliable switching elements in a small form factor. The part integrates advanced silicon technology to provide durability and performance consistent with onsemi's engineering standards for power management components.
Replacement Considerations
Consult onsemi official documentation for qualified alternative part numbers or cross-reference guides. Verify pinout compatibility and electrical parameter equivalence before substituting. Ensure any replacement maintains the same package type and thermal characteristics to preserve circuit integrity.
