Mill-Max is excited to announce the release of its lowest-profile target connectors with an above board height of only .087 inches (2.21 mm). Target connectors are used in place of SMT pads on a PCB as the mating surface for spring-loaded pins. They provide increased durability and are useful in achieving specific distances between boards.
To augment our existing .100-in. (2.54-mm) grid target connector lineup, we are introducing four new, low-profile products. These connectors are all surface-mount, available in single- or double-row packages, and are offered with flat or concave target faces. Concave face targets provide additional surface area for mating and can aid in centering/alignment of components and/or boards fitted with spring-loaded connectors. Precision-machined pins with an overall length tolerance of +/- .0015 in. (+/-.0381 mm) help to achieve a co-planarity of .005 in. (.13 mm) or better for connectors up to 1 in. (25.4 mm) long. Advanced machining techniques are used to ensure no burr protrusion on either the target face or the surface-mount termination end.
Here is the part number breakdown for these new connectors:
| Part Number | Number of Rows | Target Face Style |
| 319-10-1XX-30-540000 | Single | Flat |
| 319-10-1XX-30-550000 | Single | Concave |
| 419-10-2XX-30-540000 | Double | Flat |
| 419-10-2XX-30-550000 | Double | Concave |
Combining target connectors with spring-loaded connectors on opposing boards can be a simple and convenient solution for making connections between stacked boards or docking stations and devices. These new connectors are ideally suited for low-profile applications in which multiple connections are required. To achieve an ultra-low-profile mated pair using these target connectors, the Mill-Max series 815 and 817 (single- and double-row, respectively) are the ideal choice. The 815/817 connectors, compressed to ½ stroke and used in combination with these new low-profile target connectors, provide a board-to-board spacing of just .175 inches (4.45 mm).
All of the pins are precision-machined and gold-plated for environmental protection, durability, and good conductivity. The connector insulators are molded from high-temperature plastic suitable for most soldering processes, including RoHS environments. All of these products are RoHS-compliant. See the attached catalog pages for further details.
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