ManThe UM4684H electronic part is a CSP-10_2.0x1.5mm RoHS manufactured by Union Man. It is a Low-Voltage Single-pole Quadruple-throw (SP4T) Analog Switch which has an ON-resistance of 0.4O, and a breakdown voltage of 3.2V. This device is optimized for switching high-frequency analog and digital signals, with minimal crosstalk and distortion. It is ideal for use in CDMA, GSM, WCDMA, and 4G systems, as well as in mobile audio and TV applications due to its ultra-low power consumption. It is RoHS compliant, and is Lead-Free.