Within the Molex Sabre product family, there is a change from Bright Tin over Copper plating to a Reflowed Matte Tin Finish over Nickel under plate. Beginning July 1st 2012, the new matte tin plated parts will start to be shipped. There is no change to part number, no functionality difference, and no changes in plating quality. Part Numbers Affected: 538-43160-0102 538-43160-4305 538-43160-0103 538-43160-4306 538-43160-0104 538-43160-5102 538-43160-0105 538-43160-5103 538-43160-0106 538-43160-5104 538-43160-0302 538-43160-5105 538-43160-0303 538-43160-5106 538-43160-0304 538-43160-5302 538-43160-0305 538-43160-5303 538-43160-0306 538-43160-5304 538-43160-1102 538-43160-5305 538-43160-1103 538-43160-5306 538-43160-1104 538-43160-6302 538-43160-1105 538-43160-6303 538-43160-1106 538-43160-6304 538-43160-1302 538-43160-6305 538-43160-2102 538-43160-6306 538-43160-2103 538-43160-7302 538-43160-2104 538-43160-7303 538-43160-2105 538-43160-7304 538-43160-2106 538-43160-7306 538-43160-3102 538-46007-1102 538-43160-3103 538-46007-1103 538-43160-3104 538-46007-1104 538-43160-3105 538-46007-1105 538-43160-3106 538-46007-1106 538-43160-4102 538-46007-3102 538-43160-4103 538-46007-3103 538-43160-4104 538-46007-3104 538-43160-4105 538-46007-3105 538-43160-4106 538-46007-3106 538-43160-4302 538-46007-5303 538-43160-4303 538-46007-7303 538-43160-4304 For further questions, please contact a Mouser Technical Support Representative. 5-0512-9