810911010112 by Wurth Elektronik is a power line filters designed for reliable performance in electronic applications. It is widely used in industrial, automotive, and power management systems.

The filter product category includes a wide variety of devices and materials used for the separation, suppression, or selection of electrical and magnetic signals on the basis of frequency. Products designed for use across a wide range of contexts are included, ranging from power lines carrying kiloamperes at DC to radio receivers detecting microvolt-level signals at frequencies of tens of gigahertz.