STS802U2SRP

Overview

The STS802U2SRP is a sensitive gate Silicon Controlled Rectifier (SCR) from IXYS, designed for high-performance switching applications. It features a 1.5A RMS on-state current capability and supports a peak surge current of up to 20A. The device exhibits a short turn-off time (tq) and maintains high static dv/dt immunity, ensuring reliable operation in demanding environments. These characteristics make it suitable for precise control circuits requiring fast response and robust blocking capabilities.

Feature Summary

• Sensitive gate architecture enabling efficient triggering with low gate drive requirements
• Short turn-off time (tq) facilitating high-frequency switching operations
• High static dv/dt rating to prevent false triggering during rapid voltage transients

Applications

• High-voltage capacitor discharge systems
• Precision phase control circuits
• Industrial switching power supplies

Procurement Notes

Verify the specific suffix 'SRP' against official IXYS documentation to confirm package type and tape-and-reel specifications. Ensure the selected variant matches the required thermal management and mounting constraints for your design. Cross-reference the datasheet revision date to confirm compliance with current environmental standards.

Selection Notes

Select this component when a compact SCR with fast recovery and high dv/dt tolerance is required. It is ideal for applications where space is limited but high reliability under transient voltage conditions is critical. Compare its 1.5A RMS rating against load requirements to ensure adequate margin for surge currents up to 20A.

Part Context

This part belongs to IXYS's specialized SCR portfolio, focusing on sensitive gate technologies. It complements other series like S802XSX and STP802U2SRP by offering optimized performance for high dv/dt scenarios. The family emphasizes reliability in industrial and power electronics applications requiring precise thyristor control.

FAQ

What is the maximum surge current capability of the STS802U2SRP?

The device supports a peak surge current of up to 20A, allowing it to handle temporary overloads effectively.

How does the sensitive gate feature benefit circuit design?

The sensitive gate allows for lower gate trigger currents, simplifying the driver circuit design and reducing overall system power consumption.

Is this SCR suitable for high dv/dt environments?

Yes, it is specifically engineered with high static dv/dt immunity to prevent unintended turn-on during rapid voltage changes.