Pin-in-paste connectors reduce applied cost

6 October 2004 Interconnection

Designed to be compatible with standard pin-in-paste (PIP) SMT processes, Metral TINT back panel receptacles from FCI eliminate costly secondary assembly operations including heat staking, wave soldering or press fitting.

Available in 4-row (24 position) and 5-row (30 position) sizes, the Metral TINT receptacles are based on the popular standard Metral connector range, conforming to the 2 mm pitch IEC61076-4-104 specification.

PIP process compatible, the receptacles can be reflow soldered in the same operation as smaller active and passive SMT components.

The sharp and symmetrical nature of the receptacle's rigid tail tips and integral location and force retention pegs simplifies mounting.

To take account of the needs of standard pick-and-place machinery, Metral TINT receptacles feature a one piece rigid plastic housing that not only offers a large usable target area to a vacuum nozzle, but which also presents a front and rear surface for the use of mechanical grippers. Unlike smaller SM components, the weight of the receptacle and the complexity of its pinout requires its position to be better controlled during soldering. The location and retention pegs of the Metral TINT receptacle have therefore been designed to cope with a mounting force of 20 N, and to keep the connector in place after mounting and before soldering with a force of 5 N. In most cases, the locating pegs and the large diameter, round section solder tails of the receptacle are sufficient to carry handling, mating and unmating forces.

Certain product designs do, however, require additional retention force. FCI's PIP compatible receptacle therefore offers the option of a hold down feature plate for soldering to a corresponding pad on the board.

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