Description
AO3400 SMD Low Voltage N-Channel MOSFET SOT-23 Package
The AO3400 is a high-performance N-channel MOSFET designed for low-voltage, high-current switching applications. It operates efficiently with a low gate threshold voltage (typically around 1.0V) and offers low on-resistance (as low as 30mΩ at VGS = 4.5V), making it suitable for fast switching and reduced power loss. This makes it ideal for use in DC-DC converters, load switches, battery-powered circuits, and power management systems where efficiency and speed are critical.
Housed in a compact SOT-23 surface-mount package, the AO3400 is well-suited for space-constrained PCBs in modern electronic devices. Its maximum drain current rating of around 5.8A (at VGS = 4.5V) and drain-source voltage rating of 30V allow it to handle moderate power loads while maintaining thermal stability. The small footprint and surface-mount design also enable easy integration into automated manufacturing processes, making it a popular choice in consumer electronics, embedded systems, and other compact circuit designs.
Technical Details
- VDS (Drain-Source Voltage): 30V max
- VGS (Gate-Source Voltage): ±20V max
- ID (Continuous Drain Current): 5.8A max
- Ptot (Total Power Dissipation): 1.4W max
- RDS(on) (On-Resistance): 30mΩ typical at VGS = 10V, 50mΩ typical at VGS = 4.5V
- Qg (Total Gate Charge): 13nC typical
- td(on) (Turn-On Delay Time): 10ns typical
- td(off) (Turn-Off Delay Time): 20ns typical
Package Includes
- 1 x AO3400 SMD Low Voltage N-Channel MOSFET SOT-23 Package
Note:
Product Images are shown for illustrative purposes only and may differ from the actual product.

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