MBR3045STG

Diode Arrays Overview

The MBR3045STG is a silicon Schottky barrier rectifier manufactured by onsemi, designed for high-efficiency power conversion applications. It features a dual common cathode configuration housed in a TO-220AB package with three leads. The device supports a continuous forward current of 30 A and a repetitive peak reverse voltage of 45 V. Key electrical characteristics include a maximum forward voltage of 820 mV at rated current and a low reverse leakage current of 200 µA. It withstands a non-repetitive peak forward surge current of 150 A and operates within a junction temperature range of -65 °C to +175 °C.

Diode Arrays Feature Summary

• Dual common cathode configuration enables efficient full-wave rectification in two-wire systems without requiring a center-tapped transformer.
• Low forward voltage drop minimizes conduction losses and improves overall system efficiency during operation.
• Guard ring structure provides transient protection against voltage spikes and enhances device reliability under harsh conditions.

Diode Arrays Applications

• DC-to-DC converters
• Free-wheeling diodes in PWM circuits
• Polarity protection circuits

Diode Arrays Procurement Notes

Verify the complete part number including suffixes such as STG to ensure correct packaging and compliance status. Confirm RoHS and REACH SVHC declarations match project requirements. Check datasheet revisions for any updates to thermal resistance or pinout configurations before finalizing procurement specifications.

Diode Arrays Selection Notes

Select this component when a dual common cathode arrangement is required for synchronous rectification or free-wheeling applications. Ensure the operating current remains below the 30 A limit and consider thermal management solutions given the TO-220AB package constraints. Verify that the 45 V reverse voltage rating exceeds the peak inverse voltage in the target circuit design.

Diode Arrays Part Context

This component belongs to the MBR series of Schottky rectifiers from onsemi, known for combining high current capability with low forward voltage. The MBR3045STG specifically addresses needs for efficient power rectification in compact designs where standard diode drops would cause excessive heat dissipation.

Diode Arrays Replacement Considerations

MBR3045CTG is listed as an alias for this part number. Verify pin compatibility and thermal performance if substituting with other manufacturers' equivalents like MBR3045PT.