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Product Detailed Parameters
- Description：MOSFET N-CH 40V 69A LFPAK33
- Series：TrenchMOS™
- 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：69A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：10V
- Rds On (Max) @ Id, Vgs：8mOhm @ 20A, 10V
- Vgs(th) (Max) @ Id：4V @ 1mA
- Gate Charge (Qg) (Max) @ Vgs：23.8 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：1567 pF @ 25 V
- FET Feature：-
- Power Dissipation (Max)：75W (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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Overview
The BUK7M8R0-40EX is an N-channel standard level MOSFET utilizing TrenchMOS technology, housed in an LFPAK33 (SOT1210) package. It features a drain-source voltage of 40 V and a continuous drain current of 69 A at 25 °C mounting base temperature. The device exhibits a maximum on-state resistance of 8 mΩ at VGS = 10 V and ID = 20 A. Total power dissipation reaches 75 W under specified conditions. It supports junction temperatures up to 175 °C and includes repetitive avalanche rating capabilities.
Feature Summary
- Qualified to AEC-Q101 automotive standards for high-performance applications
- Repetitive avalanche rated for robust operation
- True standard level gate with threshold voltage greater than 1 V at 175 °C
Applications
- 12 V automotive systems
- Motors, lamps and solenoid control
- Transmission control
- Ultra high performance power switching
Procurement Notes
Verify the specific suffix 'EX' against official Nexperia documentation to confirm reel packaging specifications and tape-and-reel dimensions. Ensure the ordering part number matches the required marking code '78E040'. Confirm compliance requirements such as REACH and RoHS status directly from the manufacturer's latest product database before finalizing procurement orders.
Selection Notes
Select this component for designs requiring low conduction losses in 40 V environments. The LFPAK33 package provides efficient thermal management suitable for demanding automotive loads. Verify that the gate drive voltage meets the 10 V requirement for optimal RDS(on) performance. Consider the repetitive avalanche energy rating if inductive load switching is present in the circuit design.
Part Context
This device belongs to Nexperia's BUK7 series of N-channel TrenchMOS standard level FETs. It is designed specifically for automotive applications requiring high reliability and thermal stability. The LFPAK33 package offers a compact surface-mount solution with a mounting base connected to the drain for improved heat dissipation compared to traditional packages.
Replacement Considerations
Consult official Nexperia substitution guides for verified alternatives. Cross-reference pinout compatibility and thermal resistance values when replacing existing components in established designs.
