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Mill-Max outs solder barrier pin receptacles, sockets

Posted: 14 Feb 2012 ?? ?Print Version ?Bookmark and Share

Keywords:solder barrier? pin receptacle? socket?

Mill-Max Mfg. Corp. has announced the Mill-Max Organic Fiber Plug (OFP) receptacles and sockets for through-hole soldering into PCBs. The discrete sockets open bottom receptacles that are fitted with organic fiber plugs to prevent solder, paste or flux from contaminating the internal contact during the placing and soldering process. When the device/mating lead is plugged into the receptacle, the OFP is knocked out allowing the mating lead to pass through the fingers of the internal contact and establish electrical connection, detailed the company.

There are 14 sizes/styles available, with 13 having standard tape and reel packaging. The advantage of this type of packaging is it permits through-hole components to be placed simultaneously with surface mount parts on pick-'n-place assembly lineseliminating the need to hand place the receptacles in an additional manufacturing step, said Mill-Max. The OFP barrier permits the sockets to be vacuum picked from the tape prior to placement in a hole in the PCB.

Mill-Max Organic Fiber Plug

The OFP uses precision-machined brass housing.

The knock-out-bottom feature enables these sockets to be made relatively short compared to many similar receptacles. The reduced length enables the receptacles to stand upright and stable in a carrier tape pocket, and minimizes protrusion through the PCBespecially important when working with SMT boards, said the company. The open bottom receptacle design eliminates the need to trim long device leads that would otherwise bottom out in a closed receptacle design and also makes them ideal for low profile board stacking applications via the ability to pass through, Mill-Max added.

The OFP parts are available as discrete receptacles and can be supplied in bulk or on carrier tape, per EIA-481 for industry standard pick and place machines. All Mill-Max receptacles use precision-machined brass housing with a press-fit beryllium copper 'multifinger' contact.

These are also available in strip sockets. The 834 (Single Row) and the 835 (Double Row) series pass-through sockets have 3.3mm profile and will accept 0.76mm round pin, as well as industry standard 0.64 mm square pin headers.

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