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Product Detailed Parameters
- Description：MOSFET N-CH 55V 7A SOT223
- Series：TrenchMOS™
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：55 V
- Current - Continuous Drain (Id) @ 25°C：7A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：73mOhm @ 8A, 10V
- Vgs(th) (Max) @ Id：2V @ 1mA
- Gate Charge (Qg) (Max) @ Vgs：11 nC @ 5 V
- Vgs (Max)：±15V
- Input Capacitance (Ciss) (Max) @ Vds：584 pF @ 25 V
- FET Feature：-
- Power Dissipation (Max)：8W (Tc)
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- Supplier Device Package：SC-73
- Package / Case：TO-261-4, TO-261AA
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Overview
The BUK9880-55A is an N-channel TrenchMOS logic level enhancement mode Field-Effect Transistor (FET) designed for automotive and general-purpose power switching applications. It operates with a maximum drain-source voltage of 55 V and supports a continuous drain current of 7 A at a solder point temperature of 25 °C. The device features a low on-state resistance, typically 68 mΩ at VGS = 5 V and ID = 8 A. Total power dissipation reaches 8 W under standard thermal conditions. The component utilizes SOT-223 packaging to facilitate efficient heat transfer through the increased heatsink design.
Feature Summary
- Logic level gate drive compatibility allows direct interfacing with standard logic sources without requiring high gate voltages.
- TrenchMOS technology architecture provides optimized conduction characteristics for reduced power loss during operation.
- Automotive qualification ensures reliability and compliance with AEC-Q101 standards for critical system integration.
Applications
- Switching 12 V loads in automotive circuits
- Controlling 24 V loads in industrial systems
- Motor control and solenoid actuation
- Lamp driving and general purpose power switching
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm package variant and tape-and-reel specifications. Confirm that the received components match the marking code '988055A' as defined in the product data sheet. Ensure storage and handling procedures comply with moisture sensitivity level requirements prior to soldering.
Selection Notes
Select this component when designing circuits requiring logic-level gate drive capability for N-channel switching. The 55 V rating suits 12 V and 24 V systems. Evaluate thermal management requirements based on the 8 W total power dissipation limit and the junction-to-solder point thermal resistance. Ensure the application current does not exceed the 7 A continuous drain current specification at the expected operating temperature.
Part Context
This device belongs to the Nexperia BUK9880 series of N-channel TrenchMOS FETs. The series utilizes advanced trench gate technology to achieve low on-resistance within compact surface-mount packages. The BUK9880-55A specifically targets automotive-grade applications requiring robust performance under varying thermal conditions while maintaining compatibility with standard logic control signals.
Replacement Considerations
BUK9880-55A/CU serves as a verified alternative part number within the same product family offering identical electrical specifications and pinout configuration.
