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Product Detailed Parameters
- Description：MOSFET N-CH 40V 4.4A SO-8
- Series：-
- Mfr：Analog Power Inc.
- Package：Bulk
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：40 V
- Current - Continuous Drain (Id) @ 25°C：4.4A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：75mOhm @ 3.5A, 10V
- Vgs(th) (Max) @ Id：1V @ 250µA (Min)
- Gate Charge (Qg) (Max) @ Vgs：2.4 nC @ 4.5 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：186 pF @ 15 V
- FET Feature：-
- Power Dissipation (Max)：2.1W (Ta)
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：SO-8
- Package / Case：PowerPAK® SO-8
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Overview
The AM4942N is a dual N-Channel MOSFET manufactured by Analog Power Inc. It features a Drain-Source Voltage (V_DS) rating of 40 V and a continuous Drain Current (I_D) of 4.4 A at 25°C ambient temperature. The device utilizes trench technology to achieve low on-resistance, with typical values of 17 mΩ at V_GS = 10 V and 20 mΩ at V_GS = 4.5 V. It is housed in an 8-SO surface-mount package and is designed for efficient power switching applications.
Feature Summary
- Dual N-Channel configuration within a single compact package
- Low thermal impedance design for effective heat dissipation
- Trench technology implementation for reduced conduction losses
Applications
- DC/DC converter circuits
- Power management modules
- Automotive electronic systems
Procurement Notes
Verify the specific manufacturer source when sourcing this component, as Analog Power Inc. may distribute through various channels. Confirm that the received part matches the 8-SO package outline and pinout specifications. Ensure the datasheet version aligns with the required electrical tolerances for your circuit design before finalizing procurement orders.
Selection Notes
Select the AM4942N for applications requiring dual-channel switching with a 40 V voltage rating. Its low on-resistance makes it suitable for efficiency-critical designs. Consider the 8-SO package constraints regarding PCB space and thermal management requirements when integrating this component into the system layout.
Part Context
Analog Power Inc. specializes in power management solutions, including N-Channel and P-Channel MOSFETs. The AM4942N belongs to their lineup of trench technology devices aimed at providing low on-resistance and high performance in compact packages for modern electronic applications.
Replacement Considerations
Cross-reference with other dual N-Channel 40 V MOSFETs in 8-SO packages. Verify that substitute parts meet or exceed the 4.4 A current rating and 17 mΩ on-resistance specifications to ensure circuit compatibility.
