The BSS138W-7-F is a small signal N-channel MOSFET transistor, commonly used in a variety of electronic circuits. It is a surface-mount device with a compact SOT-323 package, making it ideal for applications where space is limited. The BSS138W-7-F has a maximum drain-source voltage of 50V and a continuous drain current of 200mA, making it suitable for low power applications. It also has a low on-resistance of 3.5 ohms, ensuring efficient operation and minimal power loss. This transistor is RoHS compliant and is suitable for use in a wide range of electronic devices, including power management circuits, battery chargers, and LED drivers. Its small size, low on-resistance, and high voltage rating make it a versatile component for circuit design