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Product Detailed Parameters
- Description：MOSFET 2N-CH 56LFPAK
- Series：*
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR)
- Technology：-
- Configuration：-
- FET Feature：-
- Drain to Source Voltage (Vdss)：-
- Current - Continuous Drain (Id) @ 25°C：-
- Rds On (Max) @ Id, Vgs：-
- Vgs(th) (Max) @ Id：-
- Gate Charge (Qg) (Max) @ Vgs：-
- Input Capacitance (Ciss) (Max) @ Vds：-
- Power - Max：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
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Overview
The BUK7K6R2-40E/CX is a dual N-channel MOSFET array manufactured by Nexperia USA Inc., a subsidiary of NXP Semiconductors. It features a 40V drain-source voltage (Vdss) and supports a continuous drain current (Id) of 40A at 25°C. The device exhibits a maximum on-resistance (Rds(on)) of 5.8 mΩ at Vgs = 10V and Id = 20A, with a total power dissipation capability of 68W. Packaged in an LFPAK56D (SOT-1205) surface-mount housing, it is designed for high-efficiency switching applications. The component holds AEC-Q100 automotive qualification and operates within a junction temperature range of -55°C to +175°C.
Feature Summary
- Dual N-channel configuration providing two independent switches in a single package
- Automotive-grade reliability certified under the AEC-Q100 standard
- Low on-resistance design optimized for minimizing conduction losses
- Extended thermal performance supporting operation up to 175°C junction temperature
Applications
- Automotive power distribution systems
- Motor control circuits requiring bidirectional or half-bridge configurations
- High-current DC-DC converter topologies
- Load switching in vehicle electronic control units
Procurement Notes
Verify the specific suffix 'CX' against official Nexperia documentation to confirm if it denotes a distinct tape-and-reel packaging variant or a specific customer code, as standard datasheets typically list 'BUK7K6R2-40E'. Ensure the supplier provides traceability to the original manufacturer's quality standards and confirms RoHS3 compliance prior to procurement.
Selection Notes
Select this component when a compact dual-switch solution is required for 40V automotive applications. The LFPAK56D package offers superior thermal dissipation compared to standard SOT packages. Verify that the gate drive voltage can reach 10V to achieve the specified 5.8 mΩ Rds(on); lower gate voltages will result in higher resistance and increased heat generation.
Part Context
This part belongs to the Nexperia BUK7K6 series, which focuses on low Rds(on) dual N-channel MOSFETs for automotive use. It shares the same pinout and general form factor with variants like BUK7K6R8-40E and BUK7K8R7-40E, differing primarily in their on-resistance values and current handling capabilities within the same 40V voltage class.
Replacement Considerations
Direct functional substitutes include BUK7K6R8-40E and BUK7K8R7-40E from the same family, provided the slightly higher on-resistance is acceptable for the thermal design. Cross-brand replacements require matching the 40V rating, 40A current capacity, LFPAK56D footprint, and AEC-Q100 qualification status.
