BUK7M9R5-40HX

$1.22

Description：MOSFET N-CH 40V 40A LFPAK33
Series：-
Mfr：Nexperia USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:cbfd6e5108b2 Category: Single FETs, MOSFETs Brand: Nexperia USA Inc.

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Product introduction

Product Detailed Parameters

Description：MOSFET N-CH 40V 40A LFPAK33
Series：-
Mfr：Nexperia USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
FET Type：N-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：40 V
Current - Continuous Drain (Id) @ 25°C：40A (Tc)
Drive Voltage (Max Rds On, Min Rds On)：10V
Rds On (Max) @ Id, Vgs：9.5mOhm @ 15A, 10V
Vgs(th) (Max) @ Id：3.6V @ 1mA
Gate Charge (Qg) (Max) @ Vgs：18 nC @ 10 V
Vgs (Max)：±20V
Input Capacitance (Ciss) (Max) @ Vds：1166 pF @ 25 V
FET Feature：-
Power Dissipation (Max)：55W (Tc)
Operating Temperature：-55°C ~ 175°C (TJ)
Grade：Automotive
Qualification：AEC-Q101
Mounting Type：Surface Mount
Supplier Device Package：LFPAK33
Package / Case：SOT-1210, 8-LFPAK33 (5-Lead)

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BUK7M9R5-40HX

Overview

The BUK7M9R5-40HX is an automotive qualified standard level N-channel MOSFET in an LFPAK33 package using Trench 9 TrenchMOS technology. It features a drain-source voltage of 40 V and a continuous drain current of 40 A at 25 °C mounting base temperature. The typical drain-source on-state resistance is 9.5 mΩ at 25 °C, rising to 18.4 mΩ at 175 °C. Total power dissipation is rated at 55 W with a thermal resistance from junction to mounting base of 2.74 K/W maximum. The device supports a junction temperature range from -55 °C to +175 °C.

Feature Summary

Fully automotive qualified to AEC-Q101 standards for high performance applications
Utilizes Trench 9 superjunction technology for low power losses and high power density
LFPAK copper clip package provides high robustness, reliability, and gull wing leads for AOI

Applications

12 V automotive systems
Powertrain, chassis, body and infotainment applications
Medium/Low power motor drive
DC-DC systems
LED lighting

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and reel specifications. Confirm that the component meets the required AEC-Q101 qualification status for your target automotive application. Cross-reference the marking code '79H540' with the datasheet to authenticate the part number and manufacturing date code upon receipt.

Selection Notes

Select this component for designs requiring a 40 V N-channel MOSFET with a maximum operating temperature of 175 °C. The LFPAK33 package is suitable for applications needing high current handling and robust mechanical solder joints via gull wing leads. Ensure the gate drive voltage supports the standard level gate requirements for optimal RDSon performance.

Part Context

This device belongs to Nexperia's BUK7M series of automotive qualified MOSFETs. It utilizes Trench 9 technology within the LFPAK33 (SOT1210) plastic surface-mounted package. The product is designed specifically for demanding automotive environments, offering improved ruggedness compared to standard packages through its copper clip construction.