**VBsemi KFG-VB Transistor**

**Product Specifications:**
- Silkscreen: VB2290
- Brand: VBsemi
- Package: SOT23
- Channel Type: P—Channel
- Maximum Drain Voltage: -20V
- Maximum Drain Current: -4A
- On Resistance: RDS(ON) = 57mΩ @ VGS=4.5V, VGS=12V
- Threshold Voltage: Vth = -0.81V

**Application Introduction:**
VBsemi KFG-VB is a P-channel field effect transistor in SOT23 package. It has low drain resistance, is suitable for low voltage applications and has efficient current control, making it an ideal choice for a variety of electronic applications.

**Application fields and module examples: **
1. **Power switch module: **
KFG-VB is suitable for power switch module, which can be used to achieve efficient power switch control and improve power conversion efficiency. It has a wide range of applications in power adapters, chargers and other fields.

2. **Current control module: **
Due to its excellent current control characteristics, it can be used in current control modules, such as LED drive circuits, power management systems, etc., to provide reliable current regulation functions for electronic devices.

3. **Low-power electronic devices: **
In devices that require low-power design, such as portable electronic products, sensor nodes, etc., KFG-VB's low drain resistance and low-voltage application characteristics can meet design requirements.

4. **Low-voltage switching power supply: **
Applicable to low-voltage switching power supplies, such as solar chargers, small battery-powered devices, etc., to achieve effective control of the power supply.

Overall, VBsemi KFG-VB transistors are suitable for a variety of applications that require P-channel field-effect transistors, providing efficient and reliable solutions for circuit design in these fields.