The 7U40000E09UCG with SMD Crystal Resonator SMD-3225_4P RoHS is an electronic component manufactured by SJK. It is a surface mount device (SMD) crystal resonator that has a frequency of 4 MHz, an operating temperature range of -20 to +80 degrees Celsius, a storage temperature range of -20 to +85 degrees Celsius, and an insulation resistance of 500W MegaOhms minimum. The resonator is a 4-pin component and is RoHS compliant.