After a redesign of its complete family of D-subminiature (D-sub) connectors, Erni is now making a series of vertical D-sub connectors equipped with THR (through-hole reflow) termination. This new functionality complements Erni's existing line of right-angle and vertical D-Sub components with press-fit or SMT termination.
These reflow-capable THR components can be processed economically within the SMT manufacturing line (in-line production), eliminating steps previously required in the production process (such as wave soldering, selective soldering or press-fit). As a result, customers can realise cost savings in the manufacturing of electronic printed-board assemblies.
The new male and female vertical D-sub THR connectors are available in module heights of 6,0 mm, 6,3 mm and 9,0 mm, in accordance with DIN 41652 and CECC 75301-802, and are offered with 9, 15, 25 or 37 pins. The contacts are gold plated in the mating area and tin plated in the termination area. Creepage distance and clearance is specified at 1,2 mm.
Designed for fully automatic placement, the connectors are supplied on SMT-compatible trays or in tape-and-reel packaging. A pick-and-place pad ensures easy and reliable pick-up with the vacuum pipette. The insulating body and the pick and place pad are made of high-temperature-resistant thermoplastic, which is ideal for soldering with all lead-free SMT soldering processes.
A metal mounting bracket reliably relieves the strain caused by mating, removal, and cable handling. The THR D-subs are available with the familiar locking hardware, which includes a through hole, a nut (M3 or 4#40 UNC) or a locking bolt (M3 or 4#40 UNC). The locking hardware is integrated, and features anti-rotation protection and ESD-resistant pre-mounting. The layout for the new THR D-subs is compatible with the press-fit versions, which allows an easy and inexpensive transition from existing modules, with press-fit or dip-soldered D-subs, to the more cost-effective SMT/THR process.
Depending on the placement equipment used, versions can be created with or without 'assembly force'. Tape-and-reel placement without force is ideally suited to processing with standard placement machines, whereas placement from a tray is more appropriate for manual placement involving assembly force. Furthermore, these connectors are available with different pin lengths (1,7 mm, 2,7 mm or 5,3 mm), so they can also be used to address all types of wave-soldering applications.
The vertical THR D-subs from ERNI Electronics are part of a comprehensive D-sub connector programme, featuring a new design that focuses on implementing a variety of changes to boost functionality and processing characteristics. Due to the modular design, Erni claims it is possible to inexpensively generate an unlimited number of variants.
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