MTA-156 HEADER ASSEMBLY, RIGHT ANGLE .045 SQUARE POST, .000030 GOLD PLATED, WITH RETENTION PEGS

Category: Connectors, Electronics, Te Connectivity

The datasheet details a product belonging to the MTA-156 Header Assembly series, designed for right-angle configurations. This electrical connector features .045 square post dimensions and comes with a .000030-inch gold plating combined with retention pegs. It is tailored for printed circuit boards (PCBs) with thicknesses of 1.57 inches.

The housing material of the connector is a glass-filled thermoplastic polyester with UL94V-0 certification, ensuring fire safety. The posts are made from copper alloy. Specific attention is given to the plating, with requirements detailed as follows: there’s a minimum of 0.00076 inches of gold plating on specified areas, with an underplating of nickel that is a minimum of 0.0027 inches thick across all sides and the full length of the post.

The datasheet also specifies the force that the header can withstand, which is at least 13.34 Newtons of axial force in either direction without dislodging. This feature emphasizes its robust design suitable for enduring the stresses that may occur during product operation.

Regarding the mechanical design, the header includes retention tabs that provide a one-time interference fit in board holes for secure assembly retention during the soldering process. Additionally, there is mention of plastic projections permitted in a particular zone, and coordination dimensions are applied from the center of the actual features. There’s also reference to recommended mounting hole patterns for PCBs.

Distinctions are made among different position sizes. For sizes from 2 through 5, the back wall is noted as being solid, whereas sizes 6 and above feature an interrupted back wall at various locations. These disruptions in the back wall are meant to accommodate polarization features or other design requirements. Polarizing lock walls are in line with the centerline of adjacent posts, maintaining precision.

Plating Variants and Detailed Dimensions:

Two plating variants are highlighted:

Bright tin-lead plating, ranging from 0.0038 to 0.00089 inches thick, on all four sides over a nickel base; it spans a minimum of 0.125 inches.
Matte tin plating covering an area of 0.00381 to 0.00889 inches thick on all four sides, with similar coverage length.

Both the metric and imperial measurements are provided for dimensions throughout the datasheet. It’s important to point out that dimensions in brackets are in inches.

The product’s datasheet contains a notice of obsolescence, indicating that parts have been discontinued due to streamlining by specified personnel. Furthermore, it includes Tyco Electronics’ identification, the document control number, and notices relevant to the handling and application of the connector.