USB Connector Part Number Changes

The following will explain the differences between the old and new, RoHS compliant USB Type A and Type B connectors:

Previous suffix of "-1":
Housing resin material = PBT
Shell = Nickel-undercoated, tin / copper alloy plating
Contact solder tail = 100% tin-plating (reflow treated)

Now changed to new suffix of "-4D":
Housing resin material = PBT
Shell = Nickel-undercoated, 100% pure tin-plating
Contact solder tail = 100% tin-plating (reflow treated)

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Previous suffix of "-2":
Housing resin material = PPS
Shell = Nickel-undercoated, tin / copper alloy plating
Contact solder tail = 100% tin-plating (reflow treated)

Now changed to new suffix of "-4S":
Housing resin material = PPS
Shell = Nickel-undercoated, 100% pure tin-plating
Contact solder tail = 100% tin-plating (reflow treated)

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Previous parts with a suffix of "-1NS" or without any designator have changed to "-4D" or "-4S" depending on the housing resin material.