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Product Detailed Parameters
- Description：MOSFET N-CH 30V 112A DFN5X6
- Series：-
- Mfr：Analog Power Inc.
- Package：Bulk
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：30 V
- Current - Continuous Drain (Id) @ 25°C：42A (Ta), 112A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：1.9mOhm @ 20A, 10V
- Vgs(th) (Max) @ Id：1V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：55 nC @ 4.5 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：5770 pF @ 15 V
- FET Feature：-
- Power Dissipation (Max)：5W (Ta), 83W (Tc)
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：8-DFN (5x6)
- Package / Case：8-PowerVDFN
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Overview
The AMR438N is an active N-Channel Silicon MOSFET manufactured by Analog Power Inc. It features a Drain-to-Source Voltage (Vdss) of 30 V and a typical on-resistance (RDS(on)) of 1.9 mΩ. The device supports a continuous drain current of 42 A at ambient temperature and 112 A at case temperature. Thermal performance includes a power dissipation rating of 5 W at ambient temperature and 83 W at case temperature. It is housed in an 8-DFN (5x6 mm) surface-mount package.
Feature Summary
- Low on-resistance for efficient power switching
- High current handling capability with dual thermal ratings
- Compact DFN5X6 surface-mount footprint
Applications
- Power routing circuits
- Motor drives
Procurement Notes
Verify the specific datasheet revision, such as DS_AMR438N_1A, to ensure alignment with design requirements. Confirm that the DFN5X6-8L package dimensions match the PCB layout constraints. Check for any updates regarding thermal resistance values or maximum ratings before finalizing component selection for production.
Selection Notes
Select this component for applications requiring low conduction losses within a 30 V system. The high current capacity makes it suitable for motor control and power distribution tasks. Ensure adequate thermal management is designed into the PCB to utilize the higher case temperature current rating effectively.
Part Context
This part belongs to Analog Power Inc.'s discrete semiconductor product line, specifically single N-Channel MOSFETs. The manufacturer offers solutions with on-resistance as low as 1 mΩ across various packages including DFN and SOIC. The AMR438N represents their focus on application-specific power management with compact form factors.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs if considering alternative manufacturers offering similar 30 V, 42 A specifications in DFN5X6 packages.
