All ProductsSemtechSensorsSensors SEMTECH SensorsSensorsProximity SensorsCapacitive Touch Sensors, Proximity Sensor Ics SX9310ICSTRT CAPACITIVE PROXIMITY SENSOR MFR. Name: Semtech SX9500IULTRT CAPACITIVE TOUCH BUTTONS 20-QFN (3X3) MFR. Name: Semtech SX9510EWLTRT CAPACITIVE TOUCH BUTTONS 20-QFN (4X4) MFR. Name: Semtech