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Product Detailed Parameters
- Description：MOSFET BVDSS: 31V~40V POWERDI333
- Series：-
- Mfr：Diodes Incorporated
- 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：100A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：5V, 10V
- Rds On (Max) @ Id, Vgs：3mOhm @ 20A, 10V
- Vgs(th) (Max) @ Id：2.5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：30 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：2182 pF @ 20 V
- FET Feature：-
- Power Dissipation (Max)：3.5W (Ta), 65.2W (Tc)
- Operating Temperature：-55°C ~ 175°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- Supplier Device Package：POWERDI3333-8
- Package / Case：8-PowerVDFN
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Overview
The DMTH43M7LFGQ-13-A is an N-channel enhancement mode MOSFET manufactured by Diodes Incorporated. It features a maximum drain-source voltage (Vds) of 40 V and a continuous drain current (Id) of 100 A at case temperature. The device exhibits a low on-resistance (Rds(on)) of 3.5 mOhms at Ta and 65.2 W power dissipation at Tc. It operates within a junction temperature range of -55°C to +175°C and is qualified under AEC-Q101 standards for automotive applications.
Feature Summary
- High current handling capability with 100 A continuous drain current rating
- Low on-resistance design for efficient power switching
- Automotive grade qualification ensuring reliability in harsh environments
- Surface mount PowerDI3333-8 package for compact board integration
Applications
- Automotive power distribution systems
- Motor control circuits
- Load switching applications
- DC-DC converter stages
Procurement Notes
Verify the specific suffix '-A' against the manufacturer's latest datasheet to confirm any distinct marking or material changes compared to standard variants. Ensure the ordering part number matches the exact package and tape/reel specifications required for your assembly process. Cross-reference with authorized distributors to confirm current availability status and compliance documentation.
Selection Notes
Select this component when high current capacity and low conduction losses are critical in space-constrained designs. The PowerDI3333-8 package offers a balance between thermal performance and footprint size. Consider the 40 V rating for 12 V or 24 V automotive systems. Verify thermal management requirements given the high current density and ensure gate drive voltages remain within the specified limits.
Part Context
This part belongs to Diodes Incorporated's PowerDI3333 series, designed for high-current surface-mount applications. The 'DMTH' prefix typically denotes a specific generation of N-channel MOSFETs optimized for automotive use. The 'Q' indicates AEC-Q101 qualification, while '13' refers to the reel quantity packaging format.
Replacement Considerations
Check for direct substitutes like DMTH43M8LFGQ-7 or DMG7430LFGQ-13 if voltage or current ratings differ from system requirements. Ensure pinout compatibility and thermal characteristics match before substitution. Verify that any replacement maintains AEC-Q101 qualification if used in automotive contexts.
