micro usb plug, pin 5 for mobile phonesvoltage rating: 30v accurrent rating when applying current only to signal terminals: 1.0a (for terminal no. 2, 3 and 4)current rating when applying current to the power terminals: 1.8a (for terminal no. 1 and 5) and 0.5a (for terminal no. 2, 3 and 4)insulation resistance: 100m ohm min. at 100v dcdielectric withstanding voltage: 100v ac per minutecontact resistance: 30m ohms maximumoperating temperature: -30 to 85oc