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Product Detailed Parameters
- Description：MOSFET 2N-CH 30V 4.5A 8SOIC
- Series：AlphaMOS
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR)
- Technology：MOSFET (Metal Oxide)
- Configuration：2 N-Channel (Dual)
- FET Feature：Logic Level Gate
- Drain to Source Voltage (Vdss)：30V
- Current - Continuous Drain (Id) @ 25°C：4.5A
- Rds On (Max) @ Id, Vgs：50mOhm @ 4.5A, 10V
- Vgs(th) (Max) @ Id：2.5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：10nC @ 10V
- Input Capacitance (Ciss) (Max) @ Vds：200pF @ 15V
- Power - Max：1.7W
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The AO4862 is a dual N-channel enhancement mode field effect transistor manufactured by Alpha & Omega Semiconductor Inc. utilizing AlphaMOS LV trench technology. It features a drain-source voltage of 30V and a continuous drain current of 4.5A at VGS=10V. The on-resistance is less than 50mΩ at VGS=10V and less than 68mΩ at VGS=4.5V. The device is housed in an SO-8 package with a maximum junction temperature range of -55°C to 150°C.
Feature Summary
- Dual N-channel configuration within a single compact package
- AlphaMOS LV trench technology for low on-resistance and gate charge
- 100% tested for Unclamped Inductive Switching (UIS) capability
- RoHS and halogen-free compliant construction
Applications
- System switching applications
- Inverter circuits
- Low voltage power management
Procurement Notes
Verify the specific ordering suffix against official Alpha & Omega Semiconductor documentation to confirm packaging format and quantity. Ensure compliance with RoHS and REACH regulations as stated in the datasheet. Confirm that the component meets the intended thermal and electrical requirements for the target application before procurement.
Selection Notes
Select this component for applications requiring dual N-channel MOSFETs in a small footprint. Consider the 30V rating and 4.5A continuous current capability. Evaluate the thermal resistance values based on the specific PCB copper area and airflow conditions, as these significantly impact power dissipation performance.
Part Context
The AO4862 belongs to the AlphaMOS family of trench power MOSFETs from Alpha & Omega Semiconductor. This series focuses on low voltage applications, offering improved efficiency through reduced on-resistance and gate charge compared to standard planar technologies. The dual configuration allows for space-saving designs in bridge or high-side/low-side driver circuits.
Replacement Considerations
No verified public substitute part numbers are documented in the provided source material. Consult official manufacturer cross-reference lists for potential alternatives.
FAQ
What is the maximum gate-source voltage for the AO4862?
The maximum gate-source voltage is ±20V.
Is the AO4862 rated for unclamped inductive switching?
Yes, the datasheet confirms that the device is 100% UIS tested.
What is the typical total gate charge at VGS=10V?
The typical total gate charge (Qg) at VGS=10V is 4.05 nC.
