**SM2311PSA-VB detailed parameter description and application introduction:**

- **Brand:** VBsemi
- **Package:** SOT23-3

**Parameters:**
- **Channel type:** P-Channel
- **Maximum leakage current:** -5.6A
- **Maximum drain-source voltage:** -30V
- **On-resistance (RDS(ON)):** 47mΩ @ VGS=10V, VGS=20V
- **Threshold voltage (Vth):** -1V

**Application introduction:**
SM2311PSA-VB is a P-Channel field effect transistor with high performance characteristics and is suitable for a variety of applications.

**Main application areas:**
1. **Power management module:** Due to its load switching characteristics and low on-resistance, the SM2311PSA-VB can be used in power management modules to provide effective power control and regulation.

2. **Battery protection module:** In battery-powered systems, the device can be used as part of a battery protection module to protect the battery from overcurrent or overvoltage damage.

3. **Current control module:** Due to its reliable current control capability, it is suitable for modules that require precise current control, such as LED drive circuits.

4. **Automotive electronic module:** In the field of automotive electronics, the SM2311PSA-VB can be used for power management and protection functions in vehicle electronic systems.

5. **Communication equipment:** As a power switching element, it can be integrated into communication equipment to provide efficient power control.

These application examples highlight the versatility of the SM2311PSA-VB in different fields and its broad application prospects.