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Product Detailed Parameters
- Description：MOSFET, POWERQFN 3X3, 40V, 50A,
- Series：-
- Mfr：Diotec Semiconductor
- 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：50A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：6.5mOhm @ 10A, 10V
- Vgs(th) (Max) @ Id：2.5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：59 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：3255 pF @ 25 V
- FET Feature：-
- Power Dissipation (Max)：37W (Tc)
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- Supplier Device Package：8-QFN (3x3)
- Package / Case：8-PowerVDFN
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Overview
The DI050N04PT-AQ is an N-channel power MOSFET manufactured by Diotec Semiconductor, designed for automotive applications. It features a 40V drain-source voltage rating and supports a continuous drain current of 50A at 25°C. The device utilizes a PowerQFN 3x3 package with a maximum junction temperature of 150°C. Key electrical parameters include a typical on-resistance of 7.6 milliohms at 10V gate drive and a gate charge of 48.5nC. It holds AEC-Q101 qualification and complies with RoHS3 standards.
Feature Summary
- Automotive-grade reliability certified under the AEC-Q101 standard
- High current handling capability within a compact surface-mount footprint
- Low on-resistance optimized for efficient power switching
- Enhanced thermal performance suitable for high-temperature environments
Applications
- Automotive power distribution systems
- Motor control circuits in vehicle electronics
- Load switching applications requiring high efficiency
Procurement Notes
Verify the specific datasheet revision to confirm exact parameter tolerances and testing conditions. Ensure that the ordering suffix matches the required packaging format. Confirm AEC-Q101 certification status if automotive compliance is mandatory for the target application. Cross-reference pinout diagrams with the PCB layout to ensure correct orientation during assembly.
Selection Notes
Select this component when a robust N-channel solution is needed for low-voltage automotive power management. The 40V rating provides sufficient headroom for 12V and 24V automotive networks. The small PowerQFN 3x3 package aids in space-constrained designs. Evaluate thermal resistance requirements against the expected load current to determine necessary heatsinking or PCB copper area.
Part Context
This part belongs to Diotec's automotive-qualified MOSFET portfolio, targeting the growing demand for reliable semiconductors in electric and hybrid vehicles. The DI050N04PT-AQ complements other devices in the series, offering a balance between current capacity and physical size. It addresses the industry shift towards miniaturization while maintaining strict automotive quality standards.
Replacement Considerations
Check for direct equivalents such as the DI048N04PT-AQ, which shares similar voltage and package characteristics but offers slightly different current ratings. Verify pin compatibility and thermal specifications before substitution to ensure circuit integrity.
