The Bourns 70F502AF-RC is a varnished ferrite choke within the 70F series, engineered for high voltage applications and characterized by its high Q factor and self-resonant frequency. This choke is universally wound, low cost, and varnish coated, making it suitable for a wide range of industrial applications. It operates within a temperature range of -55 to +105°C, depending on the core material. The part is RoHS compliant and designed to provide stable inductance with minimal temperature rise.