IRLR7843TRPBF

Single FETs, MOSFETs Overview

The IRLR7843TRPBF is a single N-channel HEXFET power MOSFET manufactured by Infineon Technologies. It features a DPAK (TO-252) surface-mount package with three pins. The device supports a drain-to-source voltage of 30V and delivers a continuous drain current of 161A at a case temperature of 25°C. Static characteristics include a maximum on-resistance of 3.3mΩ at VGS=10V and 4.0mΩ at VGS=4.5V, with a gate threshold voltage ranging from 1.4V to 2.3V. Total gate charge is typically 34nC at 4.5V. Thermal resistance from junction to case is 1.05°C/W, supporting a maximum power dissipation of 140W at 25°C.

Single FETs, MOSFETs Feature Summary

• Logic level operation enabling direct drive from standard logic voltages
• Ultra-low gate impedance for high-frequency switching applications
• Fully characterized avalanche voltage and current ratings

Single FETs, MOSFETs Applications

• High frequency synchronous buck converters for computer processor power
• High frequency isolated DC-DC converters with synchronous rectification for telecom and industrial use

Single FETs, MOSFETs Procurement Notes

Verify the component authenticity through official manufacturer channels or authorized distributors. Confirm that the ordering suffix TRPBF corresponds to the tape and reel packaging format required for automated assembly processes. Ensure compliance with relevant environmental standards applicable to your specific manufacturing region.

Single FETs, MOSFETs Selection Notes

Select this component when designing circuits requiring low conduction losses at logic-level gate drive voltages. Evaluate thermal management requirements based on the specified junction-to-case thermal resistance. Consider the total gate charge specifications to ensure compatibility with available gate driver capabilities in high-speed switching environments.

Single FETs, MOSFETs Part Context

This part belongs to the HEXFET family of power MOSFETs designed for robust performance in demanding power conversion applications. The IRLR7843 variant specifically targets low-voltage, high-current scenarios where efficient switching and minimal heat generation are critical design constraints.

Single FETs, MOSFETs Replacement Considerations

IRLR7843CPBF

Single FETs, MOSFETs FAQ

What is the maximum continuous drain current rating?

The maximum continuous drain current is 161A when measured at a case temperature of 25°C.

Is the device suitable for logic level driving?

Yes, it features ultra-low RDS(on) at 4.5V VGS, making it suitable for logic level control applications.