The RS8521XF is a CMOS precision operational amplifier manufactured by RUNIC in a SOT-23-5 RoHS package. This amplifier operates on a voltage range of 1.2V to 5.5V and has a bandwidth of 350kHz at a gain-bandwidth product of 0.17V/us. The RS8521XF is designed to provide high accuracy, low power, and fast response, making it suitable for use in various analog circuits, such as filters, integrators, and comparators. This component is available in standard supply voltage options of 1.2V, 1.5V, 2V, 2.5V, 3.3V, 4.5V, and 5.5V, and is RoHS-compliant.