The KNPA2WJ0200A10 is a Power Amassed Resistor assembly from Royal Ohm. This assembly consists of a two watt, precision, wirewound resistor, two adjustable aluminum core inductors, and two reverse connected tantalum capacitors. This assembly is designed to provide attenuation and filtering of signals, while also providing noise suppression and isolation. It is typically used in equipment such as printers, screens, and computers.