Optoelectronics

Connectors meet requirements of modern lighting applications

25th March 2014
Nat Bowers

Highly reliable, extremely compact in design and supporting a high current carrying capacity, ERNI Electronics offers connector solutions in a multitude of variants to satisfy the requirements of modern lighting technology, such as dashboard lighting units in cars, accent lighting in homes and enterprises and power-saving street and building lighting systems.

In modern lighting solutions, it is often necessary to combine highly compact designs with high current carrying capacity, e.g. for power LEDs. The MaxiBridge cable connector system in a 2.54mm pitch is suitable for applications such as these. Using this system allows efficient and space-saving connections to be realised between PCBs and peripheral functional units such as lamps, displays, panels, LEDs, switches and sensors. The system is extremely versatile thanks to the availability of straight and angled male and female multipoint connectors with 180° cable outlet. A robust interlocking system also ensures a high level of reliability in case of vibrations. The connectors are available with 2, 3, 4, 5, 6, 8, 10 and 20 pins and a current carrying capacity of up to 12A/contact.

Single-row MiniBridge connectors in a 1.27mm pitch are suitable for a diverse range of lighting applications where space is often restricted. Examples include LCD/TFT/LED displays, handheld devices and control panel elements in addition to LED front and rear lights, IR distance sensors, head-up displays and switch elements in automotive electronics. Thanks to their extremely compact design and high current carrying capacity, MiniBridge components are suited for LED lighting systems. MiniBridge connectors are also available with colourless (white) insulating bodies, which prevent shadowing in lighting applications. Versions with 2, 3, 4, 6, 8, 10 and 12 pins are available with a current carrying capacity of up to 8A/contact. Depending on the application, two types of interlocking are available. ERNI Electronics offers the MaxiBridge and MiniBridge cable connectors fully pre-assembled.

The highly reliable, two-row Small Multiple Connector (SMC) connector family in a 1.27mm pitch offers maximum design freedom, coupled with high contact density being available in a variety of modules such as straight and angled male and female multipoint connectors in conjunction with SMT, press-fit technology and IDC terminals. For variable assembly design, SMC connectors are available in various design heights. The combinations of standard and low-profile designs permit infinitely variable stacking heights of 8.0-20.0mm (with adapters up to 40mm). They are available with 12, 16, 20, 26, 32, 40, 50, 68 and 80 pins.

SMT PCB terminals with a total height of just 2.0mm eliminate manual preparation (stripping) of wires prior to termination. The dual IDC contact blades provide a reliable, gas-tight connection to the conductor wire. This means that costly and unreliable hand soldering can be avoided and no special tool is required for termination. The IDC-PCB terminals also ensure reliable PCB connection in extremely miniaturised applications such as for example in bulbs (e.g. retrofit lamps) and LED applications, where they require significantly less PCB space compared with comparable products. Despite of their miniaturised design, they offer a high current carry capacity of 6A (AWG24) and 17A (AWG22). They are supplied in tape and reel packaging (5000 units) to facilitate fully automated board assembly.

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