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IRFH7440TRPBF

Updated: 2026-07-19

Overview

The IRFH7440TRPBF is a PowerTrench MOSFET developed by Infineon Technologies, designed for high-efficiency power management in demanding environments. It is part of a family of MOSFETs known for their robust performance in industrial and automotive applications. This component is particularly valued for its low on-resistance (RDS(on)), which minimizes power loss and improves efficiency. Its high switching speed makes it suitable for applications requiring rapid power transitions, such as DC-DC converters and motor drives.

Structure and Working Principle

IRFH7440TRPBF 场效应管 QFN8 栅极电流 频率响应 栅极电压国丰临科技(深圳)有限公司

The IRFH7440TRPBF utilizes PowerTrench technology, which enhances its performance by reducing gate charge and improving switching efficiency. The MOSFET operates by controlling the flow of current between its source and drain terminals via a gate voltage. Its structure includes a silicon-based semiconductor layer optimized for low resistance and high thermal conductivity. The component is housed in a compact, surface-mount package, making it suitable for space-constrained applications while ensuring reliable performance under high loads.

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Key Features

One of the standout features of the IRFH7440TRPBF is its exceptionally low on-resistance, which typically ranges in the milliohm range. This characteristic significantly reduces power dissipation and improves overall system efficiency. Additionally, the MOSFET offers a high switching speed, enabling it to handle rapid transitions in power applications. Its PowerTrench technology also ensures minimal gate charge, further enhancing its performance in high-frequency circuits.

Application Areas

The IRFH7440TRPBF is widely used in industrial and automotive systems, particularly in DC-DC converters, motor drives, and battery management systems. Its efficiency and reliability make it a preferred choice for these applications. In automotive contexts, it is often employed in electric vehicle (EV) power systems and onboard chargers. Industrial applications include power supplies, robotics, and renewable energy systems, where its high performance and durability are critical.

Maintenance and Precautions

英飞凌 IRFH7440TRPBF Infineon代理商 PQFN(5x6) 场效应管深圳市欣向阳科技有限公司

Proper thermal management is essential when using the IRFH7440TRPBF, as excessive heat can degrade performance and lifespan. Ensure adequate heat sinking or cooling mechanisms are in place, especially in high-current applications. Adherence to the specified voltage and current ratings is crucial to prevent damage. Avoid static discharge during handling, and follow recommended soldering guidelines to maintain the integrity of the component.

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B2B Procurement Guide

When procuring the IRFH7440TRPBF, consider factors such as quantity, lead time, and supplier reliability. Bulk purchases often yield cost savings, but ensure the supplier can meet your delivery timelines. Verify the authenticity of the components, as counterfeit parts can pose significant risks. Reputable distributors and direct purchases from manufacturers like Infineon Technologies are recommended for guaranteed quality and performance.

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