AO3403 SMD Low Voltage N-Channel MOSFET SOT-23 Package
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![AO3403 SMD Low Voltage N-Channel MOSFET SOT-23 Package]()
![AO3403 SMD Low Voltage N-Channel MOSFET SOT-23 Package_1]()
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Thanks to its fast switching capabilities and low gate charge, the AO3403 is well-suited for use in DC-DC converters, load switches, motor drivers, and power management systems. Its logic-level gate drive compatibility makes it easy to interface with microcontrollers and low-voltage logic circuits. The SOT-23 package not only supports space-constrained PCB designs but also provides sufficient thermal and electrical performance for many general-purpose switching tasks in consumer and industrial electronics.
Note:
Product Images are shown for illustrative purposes only and may differ from the actual product.
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AO3403 SMD Low Voltage N-Channel MOSFET SOT-23 Package
Available:In Stock
- Product SKU: INTEG160
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Warehouse Details
Specification
Description
AO3403 SMD Low Voltage N-Channel MOSFET SOT-23 Package
The AO3403 is a low-voltage, N-Channel enhancement mode MOSFET housed in a compact SOT-23 surface-mount package, designed for high-efficiency switching and load control in portable and battery-powered applications. With a maximum drain-source voltage of 30V and a continuous drain current of up to 5.7A, it offers excellent performance for its size. The device features a low on-resistance (RDS(on)) — typically around 45mΩ at VGS = 4.5V, allowing for minimal conduction losses and improved thermal performance in compact circuits.Thanks to its fast switching capabilities and low gate charge, the AO3403 is well-suited for use in DC-DC converters, load switches, motor drivers, and power management systems. Its logic-level gate drive compatibility makes it easy to interface with microcontrollers and low-voltage logic circuits. The SOT-23 package not only supports space-constrained PCB designs but also provides sufficient thermal and electrical performance for many general-purpose switching tasks in consumer and industrial electronics.
Note:
Product Images are shown for illustrative purposes only and may differ from the actual product.
Technical Details
- Type: N-Channel Enhancement Mode MOSFET
- Package: SOT-23 (Surface Mount Device)
- Drain-Source Voltage (VDS): 30V
- Continuous Drain Current (ID): 5.8A @ VGS = 10V, TA = 25°C
- RDS(on): 22 mΩ @ VGS = 10V, ID = 4.5A
- RDS(on): 30 mΩ @ VGS = 4.5V, ID = 3.5A
- Gate Threshold Voltage (VGS(th)): 1.0V to 2.5V
- Gate-Source Voltage (VGS): ±12V (max)
- Total Gate Charge (Qg): ~10nC @ VGS = 4.5V
- Input Capacitance (Ciss): ~500pF
- Power Dissipation (PD): ~1.4W @ TA = 25°C
- Operating Junction Temperature (TJ): -55°C to +150°C
Features
- Low RDS(on) for high efficiency and low power loss
- Fast switching speed
- Low gate drive voltage (as low as 2.5V)
- Compact SOT-23 surface-mount package
- RoHS compliant and halogen-free
- Ideal for low-voltage applications
- High-speed pulsed switching capability
- Enhanced ESD protection
Applications :
- Power Management in Portable Devices
- Load Switching for Low-Voltage Circuits
- Battery-Powered Equipment
- DC-DC Converter Circuits
- Reverse Polarity Protection
- Motor Control for Small DC Motors
- Low-Side and High-Side Switching
Physical Attributes
- Weight (g): 2
- Length: 2.92mm
- Width: 1.3mm
- Height: 1.1mm
Package Includes
- 1 x AO3403 SMD Low Voltage N-Channel MOSFET SOT-23 Package
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