SD3400-VB detailed parameters:
- Type: N-Channel MOSFET
- Rated voltage (V): 30
- Rated current (A): 6.5
- On-resistance (RDS(ON)): 30mΩ @ VGS=10V, VGS=20V
- Threshold voltage (Vth): 1.2~2.2V
- Package: SOT23-3

Application introduction:
SD3400-VB is suitable for circuits requiring N-Channel MOSFET, especially for the following fields and modules:
1. **Power module:** For power switching and regulation circuits.
2. **Motor drive:** For DC motor control and drive.
3. **Lighting system:** Can be used for LED drive and lighting control.
4. **Power inverter:** For power conversion and inversion applications.

The above are possible application areas of this device. The specific selection should be determined according to project requirements and circuit design.