1. **Power Management Module**: The negative voltage tolerance and low on-resistance of CES2321-VB make it an ideal choice for power management modules, especially for negative voltage switching and reverse power protection. 2. **Signal Amplifier**: In the amplifier circuit, CES2321-VB can be used for negative voltage protection and switch control of signal amplifier modules to ensure the stability and reliability of signal amplifiers. 3. **Battery Management**: This MOSFET transistor can be used in battery management modules to control the switch of battery charging and discharging to ensure the safety and effectiveness of batteries. 4. **Power Reverse Protection**: CES2321-VB is an ideal power reverse protection switch that can be used in various electronic devices to prevent incorrect connection of power polarity, thereby protecting the equipment from damage. 5. **Electronic Switch**: This transistor can be used in various electronic switches, such as electronic locks, switch circuits, and electronic controllers to control the on and off state of the circuit. In short, CES2321-VB is suitable for applications that require negative voltage tolerance and switch control, such as modules in the fields of power management, signal amplifiers, battery management, power reverse protection and electronic switches. Its parameters make it an ideal choice in various electronic devices to ensure efficient, reliable and stable operation and protect the equipment from undesirable voltage conditions.