C46S

Scrs Overview

The C46S is a Silicon Controlled Rectifier manufactured by Powerex Inc., designed for high-power switching applications. It features an 800V repetitive peak reverse voltage and supports a maximum on-state current of 80A. The device operates within a temperature range of -40°C to +125°C and utilizes a stud mount package configuration. Key electrical characteristics include a gate trigger voltage of up to 3V and a holding current of 100mA, ensuring reliable latching in industrial circuits.

Scrs Feature Summary

• Standard recovery type SCR construction for robust power control
• Stud mount terminal design for efficient thermal management
• Single element configuration for straightforward circuit integration

Scrs Applications

• Industrial motor drives and speed control systems
• High-power DC-AC inversion circuits
• Resistive load switching in heavy machinery

Scrs Procurement Notes

Verify the specific datasheet revision with the manufacturer before ordering, as technical specifications may be updated. Confirm that the stud mount interface matches your existing heatsink or busbar assembly requirements. Ensure proper torque specifications are applied during installation to maintain electrical integrity and thermal performance over the operational lifespan.

Scrs Selection Notes

Select this component when an 800V blocking capability and 80A continuous current rating are required. Verify that the gate drive circuit can supply at least 3V and sufficient current to trigger the device reliably. Consider the thermal resistance of the mounting system to ensure the junction temperature remains within the specified -40°C to +125°C operating range under all expected load conditions.

Scrs Part Context

This part belongs to the Powerex C-series of silicon controlled rectifiers, which are widely used in industrial power electronics. The C46S specifically targets applications requiring moderate voltage ratings with high current handling capabilities. It serves as a fundamental building block for thyristor-based converters and inverters in sectors such as manufacturing, energy, and transportation.

Scrs Replacement Considerations

Direct cross-references should be verified against official Powerex substitution guides. When selecting alternatives, ensure the replacement maintains identical voltage and current ratings, package dimensions, and thermal characteristics. Generic replacements may differ in gate sensitivity or recovery time, potentially affecting circuit performance.