C350C

Scrs Overview

The Powerex C350C is a high-power silicon controlled rectifier (SCR) designed for industrial applications. It features a standard stud mounting configuration with a maximum repetitive peak reverse voltage of 600V and a continuous on-state current rating of 350A. The device utilizes a hermetically sealed ceramic case to ensure reliability under harsh conditions. Key electrical parameters include a maximum average on-state current of 350A at a junction temperature of 85°C, a gate trigger voltage typically ranging from 2V to 4V, and a maximum non-repetitive peak surge current capability of 4000A. The component operates within a junction temperature range of -40°C to +125°C.

Scrs Feature Summary

• Hermetically sealed ceramic construction for enhanced environmental protection
• High thermal stability suitable for demanding industrial environments
• Robust surge current handling capability for fault tolerance

Scrs Applications

• Industrial motor drives and variable frequency drives
• High-power DC power supplies and rectifiers
• Static VAR compensators and power factor correction systems

Scrs Procurement Notes

Verify the specific suffix code against the manufacturer's datasheet to confirm exact voltage and current ratings, as variations exist within the series. Ensure the purchasing documentation explicitly states the hermetic seal integrity and terminal plating specifications. Cross-reference the mechanical dimensions with the official drawing to guarantee compatibility with existing heatsink and busbar assemblies before finalizing orders.

Scrs Selection Notes

Select this component based on the required RMS current and peak inverse voltage levels for the specific circuit topology. Evaluate the thermal resistance characteristics to determine adequate heatsinking requirements for the intended operating environment. Confirm that the gate drive circuitry can supply sufficient pulse energy to reliably trigger the device at the expected junction temperatures without exceeding maximum gate limits.

Scrs Part Context

This SCR belongs to Powerex's high-current industrial rectifier family, engineered for robust performance in heavy-duty power conversion systems. The C350C variant specifically addresses applications requiring substantial current handling with reliable switching characteristics. It serves as a critical semiconductor switch in scenarios where traditional transistors may face limitations due to thermal constraints or cost factors.

Scrs Replacement Considerations

Direct replacements must match the 350A current rating and 600V blocking voltage. Verify pinout compatibility, particularly the anode and cathode terminal positions relative to the stud. Check if the replacement device offers equivalent or superior surge current ratings and gate trigger characteristics to ensure seamless integration into existing control circuits.