Field module application: 1. **Low power module:** Due to its lower drain current and higher drain-source resistance, it is suitable for low power module design, such as portable electronic devices, sensor nodes, etc. 2. **Power switch module:** Suitable for power switch circuit design, capable of providing reliable power switching and power control functions. 3. **Amplifier output stage:** In the amplifier output stage circuit, 2SJ210-T1B-A-VB can be used to achieve the amplification and driving functions of high-performance P-Channel MOSFET. 4. **Current source module:** Due to its low leakage current characteristics, it can be used for current source circuit design, such as current source, current amplifier, etc. 5. **Analog switch circuit:** Suitable for some circuit designs that require analog switch functions, such as analog switches, analog switch power supplies, etc. Please note that the above are some typical application scenarios, and actual use requires selection and design based on specific circuit and system requirements. When integrating the 2SJ210-T1B-A-VB, it is recommended to read its data sheet carefully for detailed electrical characteristics and operating information.