The following is the detailed parameter description and application introduction of the VBsemi brand SOT23-3 package N-channel field effect transistor MSI3400-VB:

- **Parameter description:**
- Package: SOT23-3
- Channel type: N-channel
- Rated voltage: 30V
- Maximum current: 6.5A
- Switch resistance: RDS(ON)=30mΩ@VGS=10V, VGS=20V
- Threshold voltage: Vth=1.2~2.2V

- **Application introduction:**
MSI3400-VB is suitable for a variety of electronic applications, with high voltage and current ratings, suitable for high-performance power supply and current control designs. Common application areas include but are not limited to:
- Power management modules
- DC-DC converters
- Current control modules
- Inverters
- Motor drives

The device's high current and low switching resistance make it particularly useful in scenarios that require efficient energy conversion. Its SOT23-3 package is suitable for board designs with limited space.