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AOT440 is listed in the Single FETs, MOSFETs range at ChipApex. The manufacturer field lists Alpha & Omega Semiconductor Inc.. Its product description is MOSFET N-CH 40V 15.5A/105A TO220. Review the specifications below when checking this part for your BOM.
Single FETs, MOSFETs specifications for AOT440
- Description：MOSFET N-CH 40V 15.5A/105A TO220
- Series：SDMOS™
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tube
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：40 V
- Current - Continuous Drain (Id) @ 25°C：15.5A (Ta), 105A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：4.7mOhm @ 20A, 10V
- Vgs(th) (Max) @ Id：2.3V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：90 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：5600 pF @ 20 V
- FET Feature：-
- Power Dissipation (Max)：2.1W (Ta), 150W (Tc)
- Operating Temperature：-55°C ~ 175°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Supplier Device Package：TO-220
- Package / Case：TO-220-3
Single FETs, MOSFETs datasheet and documents for AOT440
Single FETs, MOSFETs Overview
The AOT440 is an N-Channel Enhancement Mode Field Effect Transistor manufactured by Alpha & Omega Semiconductor Inc. It utilizes advanced SDMOS technology to deliver low on-resistance and fast switching capabilities. The device is housed in a TO-220 package, suitable for surface mount or through-hole applications depending on the specific variant configuration. Key electrical characteristics include a drain-source voltage rating of 40V and a continuous drain current capacity of 15.5A at case temperature, with thermal performance rated up to 82A under specific conditions.
Single FETs, MOSFETs Feature Summary
- Advanced SDMOS technology for optimized on-resistance
- Enhanced switching speed for efficient power management
- Robust thermal design for high-current applications
Single FETs, MOSFETs Applications
- DC-DC converter circuits
- Motor control systems
- Load switching applications
Single FETs, MOSFETs Procurement Notes
Verify the exact package type and pinout configuration against the official datasheet before integration, as variations may exist. Confirm RoHS compliance status and lead times with authorized distributors, as availability fluctuates. Ensure thermal management solutions match the specified power dissipation ratings for reliable operation.
Single FETs, MOSFETs Selection Notes
Select this component for designs requiring 40V blocking capability and moderate current handling in compact form factors. Evaluate thermal resistance requirements against the TO-220 package limitations. Compare gate charge specifications against drive circuit capabilities to ensure optimal switching efficiency and minimize losses.
Single FETs, MOSFETs Part Context
This part belongs to the SDMOS series from Alpha & Omega Semiconductor, focusing on cost-effective power solutions. It serves as a discrete replacement for integrated modules in simpler power stages. The TO-220 format provides mechanical stability for higher current paths compared to smaller surface-mount packages.
Single FETs, MOSFETs Replacement Considerations
Check for direct substitutes within the same SDMOS family offering identical voltage and current ratings. Verify pin compatibility if replacing in existing footprints. Consider updated generations with improved Rds(on) if thermal constraints are critical.
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