**Application examples:** 1. **Power switch module:** WPM2341-3-TR-VB is suitable for power switch modules, especially in negative voltage scenarios. Its P-Channel design makes it an ideal choice in power management systems, especially for negative voltage conversion and regulation. 2. **Battery protection circuit:** Due to its rated current of -4A, the device can be used in battery protection circuits to provide reliable power switching and current control, helping to protect batteries from over-discharge and over-charge. 3. **Load switch:** In areas where efficient control of the load is required, such as portable devices or power switch modules, WPM2341-3-TR-VB can be used for load switching, providing reliable current regulation and protection functions. 4. **Inverter module:** Suitable for inverter modules, especially in applications where negative voltage inversion is required. Its performance parameters enable it to provide efficient energy conversion in inverter systems. **Summary:** WPM2341-3-TR-VB is a P-Channel MOSFET suitable for negative voltage scenarios, including power switches, battery protection, load switches and inverters. Its performance parameters make it an ideal choice for low power consumption and high efficiency in designs, helping to improve system performance and energy efficiency.