BSS84AK,215

The BSS84AK,215 is a single gene MOSFET. MOSFETs (metal-oxide semiconductor field-effect transistors) are essentially voltage-controlled insulated gate field-effect transistors, allowing current flow through the body of the transistor to the desired output for the application under its own related voltage. This device is a 55V, 340mOhm, 5.6A rated N-channel device.

The BSS84AK,215 is suitable for use in a variety of motor drive applications – from tablet PCs to industrial motors – as it is capable of withstanding large load currents and can be used with a variety of input voltages. Examples of applications this device can be used in include:

• Motor Drives
• Robotics
• Data Loggers
• Computer Motherboards
• Electric Vehicle Battery Charge Controllers
• Industrial Automation
• Power Supplies

The working principle of a MOSFET is simple and can be better understood by the following diagram:

The diagram shows the MOSFET gate, source, drain and substrate. The gate is the control element of the MOSFET; by applying a voltage to the gate, current will flow from the source to the drain allowing the device to be used in a variety of applications.

In summary the BSS84AK,215 is a single MOSFET device suitable for a range of motor drive applications. By applying a voltage to the gate, current flows from the source to the drain allowing the device to be used in a variety of applications.