The FM1630C is a type of RF Switch manufactured by Fuman. It is a Small Outline Dual In-Line Package (SODIP) component and is designed to have a length of 0.7x1.1mm. It is certified as RoHS compliant, meaning that it does not contain any hazardous materials, making it more environmentally friendly. Its features include ultra-low insertion loss and excellent isolation, with low voltage and current requirements. It is suitable for use in a wide range of applications, from portable computers and mobiles phones to GPS receivers. It is designed to provide a reliable connection for signal transmission, making it a highly efficient and cost-effective choice.