SMG3401-VB is a P-Channel field effect transistor in SOT23-3 package produced by VBsemi. The following is a detailed parameter description and application introduction:

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

- **Application Introduction:**
- Suitable for circuit and module design that requires P-Channel field effect transistor.
- Commonly used in power management and amplifier circuits that require lower leakage current, low on-resistance and higher switching speed.

- **Field and module application:**
- **Power management module:** Due to its P-Channel characteristics and low on-resistance, it can be used in power management modules for switching power supplies, battery management, etc.
- **Amplifier circuit:** Suitable for amplifier circuit design that requires P-Channel channel transistors, such as amplifiers and interface circuits.

This device can play a role in various electronic devices and circuits that require P-Channel channel transistors, providing high performance and reliability.