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Product Detailed Parameters
- Description：MOSFET N-CH 40V 120A D2PAK
- Series：TrenchMOS™
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR)
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：40 V
- Current - Continuous Drain (Id) @ 25°C：120A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：10V
- Rds On (Max) @ Id, Vgs：1.51mOhm @ 25A, 10V
- Vgs(th) (Max) @ Id：4V @ 1mA
- Gate Charge (Qg) (Max) @ Vgs：145 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：11340 pF @ 25 V
- FET Feature：-
- Power Dissipation (Max)：349W (Tc)
- Operating Temperature：-55°C ~ 175°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- Supplier Device Package：D2PAK
- Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
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Overview
The BUK761R5-40EJ is an N-channel TrenchMOS standard level MOSFET manufactured by Nexperia and distributed by NXP USA Inc. It utilizes TrenchMOS technology within a SOT404A package, designed for high-performance automotive applications. The device features a drain-to-source voltage of 40 V and a maximum gate-source voltage of ±20 V. Key electrical characteristics include a typical on-resistance of 1.51 mΩ at 25 A and 10 V, with a gate charge of 145 nC at 10 V. It supports a junction temperature up to 175 °C and complies with the AEC-Q101 standard.
Feature Summary
- Compliant with AEC-Q101 standards for automotive reliability
- Rated for repetitive avalanche operation
- Supports thermally demanding environments with a 175 °C rating
- Features true standard level gate with V GS(th) greater than 1 V at 175 °C
Applications
- 12 V Automotive systems
- Electric and electro-hydraulic power steering
- Motors, lamps and solenoid control
- Start-Stop micro-hybrid applications
- Transmission control
Procurement Notes
Verify component authenticity through authorized distributors as the part may be obsolete. Confirm package integrity and datasheet version compatibility before integration. Ensure supply chain stability due to potential discontinuation status. Cross-reference specifications with current Nexperia documentation to validate performance parameters against design requirements.
Selection Notes
Select this component for automotive circuits requiring robust thermal performance and standard-level gate drive compatibility. The 40 V rating suits 12 V system architectures. Evaluate the 1.51 mΩ on-resistance for efficiency needs in power switching applications. Ensure the SOT404A package fits the PCB layout constraints and thermal management strategy.
Part Context
This device belongs to the TrenchMOS™ series of single FETs. It represents a standard level N-channel MOSFET optimized for automotive use. The product line emphasizes ruggedness and high-temperature operation, distinguishing it from general-purpose industrial transistors through its specific qualification and packaging choices.
Replacement Considerations
Check for direct substitutes such as BUK761R3-30E or BUK761R7-40E. Verify pinout compatibility and electrical parameter alignment before substitution. Consult official discontinuation notices for recommended alternative part numbers.
