The 7I12800F16UCG with SMD Crystal Resonators SMD-5032_4P RoHS is an electronic component manufactured by SJK. It is a four-pad SMD crystal resonator with an operating frequency of 16 MHz. It is RoHS compliant, meaning that it does not contain any hazardous materials. The component is a crystal resonator, meaning that it converts an electrical signal into an acoustic signal with a constant frequency, used to ensure that an electronic device stays at a constant frequency. The component is a surface mount device, which means that it can be attached directly to a circuit board, eliminating the need for a socket. It is built to withstand harsh environments and is suitable for high temperature use.