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Product Detailed Parameters
- Description：MOSFET N-CH 75V 3.1A 8SOIC
- Series：-
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR)
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：75 V
- Current - Continuous Drain (Id) @ 25°C：3.1A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：130mOhm @ 3.1A, 10V
- Vgs(th) (Max) @ Id：3V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：6.5 nC @ 10 V
- Vgs (Max)：±25V
- Input Capacitance (Ciss) (Max) @ Vds：350 pF @ 37.5 V
- FET Feature：-
- Power Dissipation (Max)：3.1W (Ta)
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOIC
- Package / Case：8-SOIC (0.154", 3.90mm Width)
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Overview
The AO4442 is an N-Channel Enhancement Mode Field Effect Transistor manufactured by Alpha & Omega Semiconductor. It utilizes advanced trench technology to achieve low on-resistance and fast switching speeds. The device features a drain-source voltage rating of 40V and a continuous drain current capacity of 16A. It is housed in a surface-mount SOIC-8 package, suitable for thermal dissipation up to 3.1W at ambient temperature. The component operates within a junction temperature range of -55°C to 150°C and complies with RoHS standards.
Feature Summary
- Advanced trench technology for optimized on-resistance
- Low gate charge for efficient driving
- High speed switching capability
Applications
- Load switch applications
- PWM motor control circuits
- Power management modules
Procurement Notes
Verify the specific datasheet revision and ordering suffix when sourcing. Confirm that the component meets required environmental compliance standards such as RoHS. Ensure the supplier provides traceability documentation for quality assurance. Check for any recent product change notices regarding packaging or material composition updates before finalizing procurement orders.
Selection Notes
Select this component for designs requiring a 40V N-channel MOSFET with moderate current handling capabilities. Consider the SOIC-8 package for space-constrained PCB layouts. Evaluate thermal requirements against the specified power dissipation limits. Compare gate charge specifications against driver capabilities to ensure adequate switching performance in the target application circuit.
Part Context
This part belongs to the Alpha & Omega Semiconductor discrete transistor portfolio. It is designed for general-purpose switching applications in consumer electronics and industrial equipment. The manufacturer utilizes trench FET technology to enhance performance metrics compared to planar devices. The component is widely used in low-side switching configurations within power distribution networks.
Replacement Considerations
Consult official manufacturer substitution guides for verified equivalents. Cross-reference pinouts and electrical parameters carefully. Verify package compatibility and thermal characteristics before implementation.
