858 SMD ELEMENT
The 858 SMD element is likely a surface-mount device (SMD) component used in electronics. It could refer to a specific electronic component, such as a resistor, capacitor, or inductor, with the designation "858." These SMD components are compact and soldered directly onto the surface of circuit boards, making them ideal for miniaturized devices. To provide more specific information, the component's exact type and specifications would be needed.