**VBsemi SY3401-VB detailed parameter description and application introduction**

**Parameter Description:**
- **Package Type:** SOT23-3
- **Channel Type:** P—Channel
- **Maximum Drain Current:** -5.6A
- **Drain-Source Voltage:** -30V
- **On-Resistance:** RDS(ON) = 47mΩ @ VGS=10V, VGS=20V
- **Gate-Source Threshold Voltage:** Vth = -1V

**Application Introduction:**
SY3401-VB is a P—Channel field effect transistor launched by VBsemi. It adopts SOT23-3 package and is suitable for a variety of circuit applications with excellent performance indicators.

**Fields and module applications:**
1. **Power management module:**
- Due to its low on-resistance and high leakage current, SY3401-VB is widely used in power management modules for power switching and current control.

2. **Automotive electronics:**
- The high-performance SY3401-VB can be applied in automotive electronics, such as electric vehicle power management systems and vehicle lighting control.

3. **Portable devices:**
- The small SOT23-3 package and low gate-source threshold voltage make SY3401-VB suitable for portable devices such as smartphones, tablets, etc. for battery management and power control.

4. **Industrial automation:**
- In industrial control modules, SY3401-VB can be used for power switching and current regulation to ensure efficient and stable operation of industrial systems.

Overall, SY3401-VB can provide reliable power switching solutions in multiple fields and is suitable for circuit designs that require efficient energy consumption and compact packaging.