DST1050S

Single Diodes Overview

The Littelfuse DST1050S is a single Schottky barrier rectifier housed in a TO-277B surface-mount package. It features a peak inverse voltage of 50 V and an average forward current rating of 10 A at 125 °C. The device supports a non-repetitive surge current of 150 A and operates within a junction temperature range of -55 °C to +150 °C. Electrical characteristics include a maximum forward voltage drop of 0.55 V at 10 A and 25 °C, with a reverse leakage current of up to 1.5 mA at rated voltage and 25 °C.

Single Diodes Feature Summary

• Utilizes trench MOS Schottky technology for ultra-low forward voltage drop
• Designed for high-frequency operation in switching mode power supplies
• Features high junction temperature capability for thermal stability

Single Diodes Applications

• Switching mode power supplies
• DC/DC converters
• Free-wheeling diodes
• Polarity protection diodes

Single Diodes Procurement Notes

Verify the specific ordering suffix against official Littelfuse documentation to confirm terminal finish and packaging configuration. Ensure the component meets RoHS compliance requirements for your assembly process. Confirm that the TO-277B footprint matches your PCB design guidelines before finalizing procurement orders.

Single Diodes Selection Notes

Select this component for applications requiring low forward voltage drop and high efficiency in compact surface-mount designs. Consider the thermal resistance specifications when designing heat dissipation strategies. Evaluate the 50 V reverse voltage rating against circuit peak voltages to ensure adequate safety margins during operation.

Single Diodes Part Context

This device belongs to the Littelfuse DST series of ultra-low VF Schottky barrier rectifiers. The series is engineered to meet commercial and industrial application requirements by providing high-temperature performance and low leakage characteristics. The DST1050S specifically targets high-frequency switching applications where efficiency and thermal management are critical.

Single Diodes Replacement Considerations

Consult official Littelfuse substitution guides for verified alternatives. Cross-reference pinout configurations and electrical ratings carefully when considering third-party equivalents to ensure functional compatibility.