IRFB42N20DPBF

Single FETs, MOSFETs Overview

The IRFB42N20DPbF is a lead-free HEXFET power MOSFET in a TO-220AB package. It features a 200V drain-source voltage, 44A continuous drain current at 25°C case temperature, and a maximum on-resistance of 0.055Ω at VGS=10V. The device supports a pulsed drain current of 180A and dissipates up to 330W at 25°C case temperature. Thermal resistance from junction to case is 0.45°C/W, with an operating junction temperature range of -55°C to +175°C.

Single FETs, MOSFETs Feature Summary

• Low gate-to-drain charge reduces switching losses
• Fully characterized capacitance including effective output capacitance for design simplification
• Fully characterized avalanche voltage and current ratings

Single FETs, MOSFETs Applications

• High frequency DC-DC converters
• Motor control systems
• Uninterruptible power supplies

Single FETs, MOSFETs Procurement Notes

Verify the component matches the exact part number IRFB42N20DPbF. Confirm the TO-220AB package type and lead-free status indicated by the Pb suffix. Ensure the supplier provides official documentation such as the datasheet and FIT report. Check that the product is designated for the industrial market. Validate all electrical parameters against the manufacturer's specifications before integration.

Single FETs, MOSFETs Selection Notes

Select this component for applications requiring high voltage handling and robust avalanche characteristics. Consider the thermal resistance and power dissipation limits when designing heat sinks. Evaluate the gate charge requirements against the driver capabilities. Review the safe operating area curves for linear mode operation constraints. Assess the body diode reverse recovery characteristics for synchronous rectification needs.

Single FETs, MOSFETs Part Context

This component belongs to the HEXFET family of power MOSFETs manufactured by Infineon Technologies. It utilizes advanced planar technology to achieve low on-resistance and fast switching speeds. The TO-220AB package provides reliable mounting and efficient heat dissipation for through-hole applications. The device is designed to meet industrial market qualification standards.

Single FETs, MOSFETs Replacement Considerations

Consult the manufacturer's cross-reference tools for verified substitutes. Ensure any replacement maintains compatible voltage, current, and thermal ratings. Verify pinout compatibility with the existing PCB footprint. Confirm that the alternative device meets the same industrial qualification standards.