VS-150KSR40

Single Diodes Overview

The VS-150KSR40 is a general-purpose silicon rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. It features a reverse voltage rating of 400 V and a maximum average forward rectified current of 150 A at an ambient temperature of 75°C. The device utilizes a stud cathode configuration for chassis mounting in the B-42 package. Key electrical characteristics include a maximum forward voltage drop of 1.33 V at 471 A and a reverse leakage current of 35 mA at 400 V. The junction temperature range extends from -65°C to +175°C, supporting high surge current capabilities.

Single Diodes Feature Summary

• High current carrying capability with 150 A average forward rectified current
• Robust surge current handling suitable for demanding power applications
• Stud cathode design enabling direct chassis mounting for efficient thermal management

Single Diodes Applications

• High-current power conversion systems
• Industrial motor drives and control circuits
• Welding equipment power supplies

Single Diodes Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific manufacturing lot codes against official datasheets. Note that this part number may be obsolete; validate current production status and availability before finalizing procurement plans to ensure supply chain continuity.

Single Diodes Selection Notes

Select this component for applications requiring high current density and robust mechanical mounting. Ensure the cooling solution supports the thermal requirements of the stud-mounted package. Verify that the system's peak inverse voltage does not exceed the 400 V rating under all operating conditions and transient scenarios.

Single Diodes Part Context

This diode belongs to Vishay's high-power rectifier series designed for industrial and automotive environments. It complements other stud-mount devices in the VS-150KSR family, offering standardized pinouts and thermal characteristics. The B-42 package is widely used in heavy-duty electronics where reliable high-current conduction is critical.

Single Diodes Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the VS-150KSR40 is listed as obsolete, engineers must consult Vishay's official replacement guides or contact technical support directly to identify valid cross-reference components with matching electrical and mechanical specifications.