FST8345M

Diode Arrays Overview

The GeneSiC FST8345M is a silicon Schottky rectifier featuring a common cathode configuration with two elements. It provides a DC blocking voltage of 45 V and supports an average forward current of 80 A per package. The device exhibits a maximum instantaneous forward voltage of 0.72 V at 40 A and 25 °C, alongside a peak forward surge current capability of 600 A. Thermal resistance from junction to case is rated at 1.10 °C/W per leg. Operating and storage temperature ranges extend from -55 °C to 150 °C.

Diode Arrays Feature Summary

• Common cathode dual-element architecture for efficient power conversion
• High thermal conductivity via flange mount design
• Robust surge current handling capability

Diode Arrays Applications

• Power supply circuits
• DC-DC converters
• Freewheeling applications in motor drives

Diode Arrays Procurement Notes

Verify the specific part number against official GeneSiC Semiconductor documentation to confirm electrical ratings and package dimensions. Ensure compatibility with system thermal management requirements given the junction-to-case resistance specifications. Confirm that the 45 V reverse voltage rating aligns with the target circuit's peak inverse voltage demands.

Diode Arrays Selection Notes

Select this component for applications requiring high efficiency and low forward voltage drop at moderate reverse voltages. The 80 A continuous current rating suits medium-power industrial systems. Evaluate thermal dissipation needs based on the 1.10 °C/W junction-to-case resistance to determine appropriate heatsinking solutions for reliable operation within the specified temperature range.

Diode Arrays Part Context

This device belongs to the FST83xxM series of silicon Schottky rectifiers manufactured by GeneSiC Semiconductor. The series offers various voltage ratings including 60 V and 100 V variants, all sharing similar current capabilities and package styles. These components are designed for general-purpose power rectification where low loss and fast switching characteristics are prioritized over ultra-high voltage tolerance.

Diode Arrays Replacement Considerations

Cross-reference with other 45 V, 80 A Schottky diodes in the D61-3SM or equivalent flange-mount packages. Verify pinout compatibility and thermal resistance values when substituting with parts from different manufacturers.