MBRB30H30CT-1G

Diode Arrays Overview

The MBRB30H30CT-1G 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 an I2PAK surface-mount package. The device supports a maximum repetitive reverse voltage of 30 V and provides a total average forward current rating of 30 A, with 15 A per diode leg. Key electrical characteristics include a low forward voltage drop of 620 mV at rated current and a peak non-repetitive surge current capability of 260 A. The component operates within a junction temperature range from -55 °C to +175 °C, ensuring reliability in demanding thermal environments.

Diode Arrays Feature Summary

• Utilizes Schottky barrier technology to achieve low forward voltage drop and high switching efficiency.
• Features a dual common cathode configuration suitable for full-wave rectification or synchronous rectification topologies.
• Designed with high surge current capacity to withstand transient load conditions.

Diode Arrays Applications

• DC-DC converter output rectification
• Free-wheeling diodes in power supply circuits
• Power management systems requiring low loss rectification

Diode Arrays Procurement Notes

Verify the specific suffix and marking against the official onsemi datasheet to confirm the 30 V rating and I2PAK package variant. Confirm RoHS compliance status through the manufacturer's material declaration. Check for obsolescence notices as older series components may be subject to phase-out schedules. Ensure the ordering part number matches the required lead frame finish and tape/reel or tube packaging format specified in the latest procurement documentation.

Diode Arrays Selection Notes

Select this component when a low forward voltage drop is critical for minimizing conduction losses in 30 A applications. The 30 V rating limits suitability to low-voltage DC bus systems. The I2PAK package offers a balance between thermal performance and PCB space constraints compared to larger through-hole options. Evaluate the thermal resistance requirements of the application to ensure adequate heat sinking for continuous 15 A per leg operation.

Diode Arrays Part Context

This device belongs to the SWITCHMODE H Series of Schottky rectifiers from onsemi, engineered for general-purpose power rectification. The series emphasizes high efficiency and ruggedness for industrial and consumer power supplies. The MBRB30H30CT-1G specifically addresses the need for reliable rectification in low-voltage, high-current architectures where standard PN junction diodes would incur excessive power dissipation.

Diode Arrays Replacement Considerations

Direct replacements must match the 30 V reverse voltage, 30 A total current, and I2PAK (TO-263) package outline. Verify that substitute parts maintain equivalent forward voltage and thermal characteristics. Cross-reference pinout configurations to ensure compatibility with existing PCB footprints.