VS-T110HF120

Single Diodes Overview

The VS-T110HF120 is a standard recovery power rectifier diode in the T-module series manufactured by Vishay Semiconductors. It features an electrically isolated base plate within a D-55 package, enabling common heatsink mounting and compact assembly. The device supports a maximum repetitive peak reverse voltage of 1200 V and a maximum average forward current of 110 A at a case temperature of 85 °C. Key electrical characteristics include a maximum RMS forward current of 173 A, a non-repetitive surge current of 2000 A at 50 Hz, and a junction-to-case thermal resistance of 0.47 K/W under DC operation.

Single Diodes Feature Summary

• Electrically isolated base plate allows for common heatsink usage and simplified mechanical designs.
• High surge capability with large creepage distances for robust industrial performance.
• UL E78996 approved and designed/qualified for industrial level applications.

Single Diodes Applications

• Power supplies
• Battery chargers
• Welders
• Motor controls
• General industrial current rectification

Single Diodes Procurement Notes

Verify the specific voltage code suffix to confirm the 1200 V rating, as the series spans multiple voltage options. Confirm compliance with RoHS and REACH standards via official documentation. Ensure mounting torque specifications are strictly followed during installation to maintain thermal interface integrity and electrical isolation performance.

Single Diodes Selection Notes

Select this component for high-current single-diode rectification circuits requiring electrical isolation from the chassis. Evaluate the thermal resistance and conduction angle requirements against the provided derating curves to ensure the junction temperature remains within the -40 to +150 °C operating range under expected load conditions.

Single Diodes Part Context

This part belongs to the VS-T40HF through VS-T110HF series of T-modules. These devices utilize standard recovery power rectifier diodes encapsulated in the D-55 (T-module) case style. The series is engineered for high-voltage applications up to 1200 V, providing a scalable solution for various current ratings while maintaining consistent mechanical and isolation specifications across the product line.

Single Diodes Replacement Considerations

Direct substitutes within the same series include VS-T40HF120, VS-T70HF120, and VS-T85HF120. When replacing, verify that the alternative part number matches the required current rating and voltage code. Ensure the replacement maintains the D-55 package form factor and compatible mounting screw specifications.

Single Diodes FAQ

What is the maximum RMS isolation voltage for the VS-T110HF120?

The maximum RMS isolation voltage is 3500 V at 50 Hz, measured between the circuit terminals and the base plate at a junction temperature of 25 °C for 1 second.

How does the thermal resistance vary with conduction angle?

The datasheet provides incremental thermal resistance values for different conduction angles. For rectangular conduction at TJ maximum, the increment ranges from 0.05 K/W for DC operation to 0.24 K/W for a 30° conduction angle.