The 52509-1 part from Micropac is a folded low pass filter designed for use in signal conditioning applications. It has a single-ended configuration that filters out high frequency signals and adjusts gain, with three level settings designed for use with a variety of signal conditioning applications. The filter is designed for high input impedance, low output impedance, and high linearity, with a nominal cut-off frequency of 3kHz. The device features a wide operating temperature range, and is ideal for use in automotive, industrial and other environmental conditions. The part is available in either through-hole or surface-mount packages.