VS-ST300S18M0PBF

Scrs Overview

The VS-ST300S18M0PBF is a silicon Controlled Rectifier (SCR) manufactured by Vishay General Semiconductor - Diodes Division. It features a maximum repetitive peak off-state voltage of 1800 V and an on-state current rating of 300 A average, with a root mean square current capacity of 470 A. The device utilizes a standard recovery type structure and is housed in a TO-209AE (TO-118) package designed for base or stud mounting. Key electrical characteristics include a maximum gate trigger voltage of 3 V and a maximum gate trigger current of 200 mA. The component operates within a junction temperature range of -40°C to 125°C.

Scrs Feature Summary

• High power handling capability with 300 A average on-state current rating
• Robust surge withstand performance suitable for demanding industrial applications
• Standard recovery design optimized for controlled rectification tasks
• Durable TO-209AE package construction for secure thermal management

Scrs Applications

• Industrial motor drive systems requiring high current control
• AC power regulation circuits utilizing phase control techniques
• Resistive load switching applications in heavy machinery
• General purpose rectification in high-voltage power supplies

Scrs Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm lead-free status and packaging configuration. Ensure the ordering part number matches the exact voltage and current ratings required for the target circuit design. Cross-reference the datasheet revision date to guarantee compatibility with current manufacturing standards and material specifications before finalizing procurement orders.

Scrs Selection Notes

Select this component when designing circuits that require robust high-current switching capabilities at elevated voltages. The TO-209AE package facilitates efficient heat dissipation through direct mounting to heatsinks. Evaluate the thermal resistance requirements carefully to maintain junction temperatures within the specified operational limits during continuous conduction periods.

Scrs Part Context

This SCR belongs to the ST300 series from Vishay, which focuses on high-power thyristor solutions. The series provides reliable performance for industrial applications where durability and high current handling are critical. The TO-209AE form factor is a standard industry choice for stud-mounted devices, ensuring compatibility with existing mechanical designs and cooling infrastructure.

Scrs Replacement Considerations

Consult official replacement guides for verified substitutes. Ensure any alternative device matches the 1800 V blocking voltage and 300 A current ratings precisely. Verify pinout compatibility and thermal characteristics to prevent integration issues in existing assemblies.