AO3421-VB Detailed parameter description:
- Silk screen: VB2355
- Brand: VBsemi
- Package: SOT23-3
- Parameters:
- Type: P-Channel
- Rated voltage: -30V
- Rated current: -5.6A
- Switch resistance: RDS(ON) = 47mΩ @ VGS=10V, VGS=20V
- Threshold voltage: Vth = -1V

Application introduction:
AO3421-VB is a P-Channel MOSFET suitable for a variety of power and switching applications. In the SOT23-3 package, it has low switch resistance and high rated current, suitable for circuit design requiring high-performance power switches.

Application areas:
1. **Power module:** Since AO3421-VB has low switching resistance and appropriate current carrying capacity, it can be used in the power switch circuit in the power module.
2. **Battery management system:** In the battery management system that requires P-Channel MOSFET, AO3421-VB can be used for battery charging and discharging control.
3. **DC-DC converter:** Suitable for the design of DC-DC converters that require high efficiency, providing power conversion functions.

The silkscreen VB2355 of this device can be used for identification and tracking, and the brand VBsemi guarantees the quality and reliability of the product.