ST2301A-VB is a SOT23 package model of VBsemi brand. The specific parameters are as follows:

- Silkscreen: VB2290
- Brand: VBsemi
- Parameters:
- Channel type: P-Channel
- Maximum operating voltage: -20V
- Maximum drain current: -4A
- On resistance: RDS(ON)=57mΩ@VGS=4.5V,VGS=12V
- Threshold voltage: Vth=-0.81V

Applicable package is SOT23.

**Application introduction:**

ST2301A-VB is suitable for applications requiring P-Channel channel, low drain current, and low on resistance. Due to its SOT23 package, it is suitable for applications with space constraints.

**Example Application Scenarios:**

1. **Power Management Module:** Due to its P-Channel and low drain current, it is suitable for use in power management modules, especially when load switching is required.

2. **Signal Conditioning Module:** Suitable for circuits that require signal conditioning and switching, such as signal amplifiers or filters.

3. **Low Power Devices:** Due to its low threshold voltage and low drain current, it is suitable for battery-powered devices that require low power consumption.

Please note that the specific application scenario may need to be determined based on the specific requirements and environment of the circuit design.