Model: AO3422-VB.
Silk screen: VB1695.
Brand: VBsemi.
Parameters:.
- Channel type: N-channel.
- Rated voltage: 60V.
- Maximum current: 4A.
- Static on-resistance (RDS(ON)): 85mΩ @ 10V.
- Static on-resistance (RDS(ON)): 96mΩ @ 4.5V.
- Gate-source voltage (Vgs): ±20V.
- Threshold voltage (Vth): 1V to 3V.
- Package: SOT23.

Application Introduction:.
AO3422-VB is an N-channel field effect transistor (FET) suitable for a variety of electronic devices and application fields, with the following main applications:.

1. **Power switch:** AO3422-VB can be used as a power switch to control the flow of current in a circuit. Its high voltage tolerance and low on-resistance make it very effective in high-power applications. .
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2. **Current Control:** This N-channel FET can be used in current control applications such as current limiters and current sources. .
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3. **Electronic Switch:** Suitable for various electronic switch applications such as power distribution units, switching circuits, and power management modules. .
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4. **Battery Protection:** In battery protection circuits, AO3422-VB can be used to implement battery charging and discharging control to ensure safe operation of the battery. .
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5. **Power Regulation:** Can be used in power regulation circuits to help stabilize the output voltage and reduce power loss. .
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These application areas cover a variety of electronic devices and modules, including power management modules, current control modules, electronic switches, load switchers, and power regulators. The features of AO3422-VB make it an important component for controlling current and voltage, especially in power management and current control. It can achieve high performance and high efficiency in various applications.