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Product Detailed Parameters
- Description：MOSFET P-CH 40V 63A LFPAK56
- Series：TrenchMOS™
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- FET Type：P-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：40 V
- Current - Continuous Drain (Id) @ 25°C：63A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：15mOhm @ 11A, 10V
- Vgs(th) (Max) @ Id：3V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：50 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：2470 pF @ 20 V
- FET Feature：-
- Power Dissipation (Max)：106W (Tc)
- Operating Temperature：-55°C ~ 175°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- Supplier Device Package：LFPAK56, Power-SO8
- Package / Case：SC-100, SOT-669
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Overview
The BUK6Y15-40PX is a P-channel Power MOSFET manufactured by Nexperia USA Inc., utilizing TrenchMOS technology. It is housed in an LFPAK56 (Power-SO8) surface-mount package, designated as SOT-669. The device features a drain-source breakdown voltage (Vdss) of 40 V and a continuous drain current (Id) of 62 A at case temperature. Its maximum on-resistance (Rds(on)) is 15 mΩ at a gate-source voltage of 10 V. The component supports a junction temperature range from -55 °C to +175 °C and carries AEC-Q101 automotive qualification.
Feature Summary
- Automotive qualified to AEC-Q101 standards for high-reliability applications
- TrenchMOS technology providing low power losses and high power density
- LFPAK copper clip package ensuring high robustness and thermal performance
Applications
- 12 V automotive systems
- Powertrain, chassis, body, and infotainment applications
- Medium/low power motor drive circuits
- DC-DC converter systems
Procurement Notes
Verify the specific suffix 'PX' against the official Nexperia datasheet to confirm packaging details, such as reel size or tape-and-reel specifications. Ensure the part number matches the exact electrical parameters required for your design, particularly the 15 mΩ Rds(on) and 62 A current rating. Confirm AEC-Q101 compliance if automotive grade is mandatory for your application environment.
Selection Notes
Select this component for designs requiring a P-channel MOSFET with a 40 V rating and high current handling capability up to 62 A. The LFPAK56 package offers a compact footprint suitable for space-constrained PCB layouts while maintaining efficient heat dissipation through its copper clip design. Consider the 15 mΩ on-resistance for minimizing conduction losses in power management circuits operating within the specified temperature range.
Part Context
This device belongs to Nexperia's BUK6Y series of automotive-grade P-channel MOSFETs. The series leverages TrenchMOS technology to deliver enhanced performance in terms of switching speed and thermal efficiency compared to standard planar devices. These components are engineered specifically for the demanding environments found in modern automotive electronics, offering reliability under extreme temperature conditions.
Replacement Considerations
Check for direct substitutes within the BUK6Y series, such as BUK6Y24-40PX, noting differences in Rds(on) and Id ratings. Verify pinout compatibility and package dimensions (LFPAK56/SOT-669) before substitution. Ensure any alternative part meets the same AEC-Q101 qualification level and thermal characteristics.
