The KA7805ETU is a 3-terminal Positive Voltage Regulator. Each type employs internal current limiting, thermal shut down and safe operating area protection, making it essentially indestructible. If adequate heat sinking is provided, they can deliver over 1A output current. Although designed primarily as fixed voltage regulators, this device can be used with external components to obtain adjustable voltages and currents. This product is general usage and suitable for many different applications.