BUK7905-40AIE,127

Description：MOSFET N-CH 40V 75A TO220-5
Series：TrenchMOS™
Mfr：Nexperia USA Inc.
Package：Tube

SKU:f12a84c5dc55 Category: Single FETs, MOSFETs Brand: Nexperia USA Inc.

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Product introduction

Product Detailed Parameters

Description：MOSFET N-CH 40V 75A TO220-5
Series：TrenchMOS™
Mfr：Nexperia USA Inc.
Package：Tube
FET Type：N-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：40 V
Current - Continuous Drain (Id) @ 25°C：75A (Tc)
Drive Voltage (Max Rds On, Min Rds On)：10V
Rds On (Max) @ Id, Vgs：5mOhm @ 50A, 10V
Vgs(th) (Max) @ Id：4V @ 1mA
Gate Charge (Qg) (Max) @ Vgs：127 nC @ 10 V
Vgs (Max)：±20V
Input Capacitance (Ciss) (Max) @ Vds：5000 pF @ 25 V
FET Feature：Current Sensing
Power Dissipation (Max)：272W (Tc)
Operating Temperature：-55°C ~ 175°C (TJ)
Grade：Automotive
Qualification：AEC-Q101
Mounting Type：Through Hole
Supplier Device Package：TO-220-5
Package / Case：TO-220-5

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BUK7905-40AIE,127

Overview

The BUK7905-40AIE is an N-channel TrenchPLUS standard level FET designed for automotive critical applications. It features a 40 V drain-source voltage rating and supports continuous drain currents up to 155 A at 25 °C mounting base temperature. The device incorporates integrated current sensing with a typical ID/Isense ratio of 500, facilitating precise control in power systems. It utilizes TrenchMOS technology to achieve low on-state resistance, minimizing conduction losses. The component includes ESD protection diodes and meets Q101 compliance standards.

Feature Summary

Integrated current sensing capability reduces external component count
Built-in electrostatic discharge protection diodes enhance robustness
Low on-state resistance minimizes conduction losses
Qualified for automotive critical applications per AEC standards

Applications

Electrical Power Assisted Steering (EPAS)
Variable Valve Timing for engines

Procurement Notes

Verify the specific ordering suffix matches the required package variant. Confirm that the application environment adheres to the specified thermal limits and junction temperature ranges defined in the datasheet. Ensure gate drive sources are compatible with the standard level requirements. Cross-reference the latest revision history to confirm no specification changes have occurred since the document release date.

Selection Notes

Select this component for high-current automotive applications requiring integrated current monitoring. The TO-220 package provides effective heat dissipation for power levels up to 272 W. Consider the Kelvin source pin for accurate sensing connections. Evaluate the thermal resistance characteristics against the system's cooling capabilities to ensure operation within safe junction temperature limits during peak load conditions.

Part Context

This device belongs to Nexperia's TrenchPLUS family of N-channel MOSFETs. It is specifically engineered for automotive environments, distinguishing itself through integrated sensing and ESD protection. The part replaces older discrete solutions by combining power switching and monitoring functions into a single plastic package, simplifying board layout and improving reliability in critical vehicle systems.