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23-09-2015 - High-density SMT Connectors

Erni Electronics has expanded its 0,8 mm MicroStac SMT connector series to include antimagnetic versions with 12 pins (single-row) and 54 pins (dual-row). The MicroStac components are based on a patented hermaphroditic design for reduced logistic and inventory costs, and are well suited for extremely compact and demanding applications.

The scope of applications is very broad, ranging from sensor technology, medical instruments and mobile communication to automotive electronics, automation engineering, measurement, test equipment and building automation. For medical applications, new antimagnetic versions (both single-row and dual-row) are available.

In spite of their compact construction, MicroStac products achieve a high current carrying capacity. The contacts, formed through precision stamping, offer an extensive cross section for low ohmic resistance, while at the same time providing a large radiating surface that yields higher current carrying capabilities than similar products. With an ambient temperature of 20°C and current feed to all contacts, these connectors can transfer 2,7 A per contact.

MicroStac connectors are available with 6, 9, 10, 12, and 14 pins (all single-row), and 50 and 54 pins (both two-row). Depending on the connector, board-to-board distances from 3,0 mm to 5 – 6,5 mm are possible. Despite the miniaturisation, the new connectors offer a high mating tolerance with allowed misalignment tolerances of longitudinal and transverse axes of ±0,7 mm. The allowed angular inclination tolerance is specified with ±4 degrees.

The SMT terminals and the design of the parts allow for economical and automatic assembly. The stability of the miniature connector is facilitated through a tilt-proof contact principle with dual-side positioning of the contact on the PCB. In addition, with its corresponding features of minimal weight (just 0,18 g for the 6-pin design), co-planarity of < 0,1 mm and suction areas integrated in the insulating body for pick-and-place assembly, the components are perfectly suited for high-speed manufacturing.

MicroStac connectors feature a high temperature-resistant insulating body and exact co-planarity to ensure a secure soldering experience. The black isolating body allows simple visual recognition during automatic assembly and, when delivered in the antistatic tape and reel packaging, the connectors are protected and ready for automatic assembly.

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