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The FX18 range of 0.8mm pitch, 10+Gbps high-speed board-to-board connectors has been introduced for high-speed applications.

FX18 supports PCI Express 2.0 and features multi-functional contacts that consist of ground contacts, power-supply contacts and three-step sequential contacts.

The ground contacts provide enhanced grounding properties and are strategically positioned next to the differential pair contacts to reduce crosstalk.

The power-supply contacts offer up to 3A per pin, which means that the signal contacts do not have to be used for power and the pin-count requirement can be reduced, saving space.

A total of 12A can be used.

The three-step sequential contacts are set back in different positions within the housing so that the ground contacts make first contact, followed next by the signal contacts and then the contacts for detection of the mating contacts.

The FX18 series consists of right-angle receptacles and straight or right-angle headers in 40, 60, 80, 100, 120 or 140 surface-mount contacts.

A further six through-hole pins are provided to increase the PCB retention force of the connector, allowing strong resistance to wrenching forces.

Large mating guides are provided on the header to provide smoother and more secure mating operation.

Mis-insertion is prevented with keyed guides with integral chamfers.

The mounting process has been simplified, with benefits such as visible solder joints, space for rework and the option of pin-in-hole intrusive reflow to reduce manual soldering process time.

Suitable applications are medical devices, base transmission stations, LCD TV, LCD displays and industrial controllers.

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