PCB connectors for power bus applications

17 January 2011

Connectors offer small footprint combined with low heat generation
Connectors offer small footprint combined with low heat generation

Connectors offer small footprint combined with low heat generation.

Amphenol now offers three compact, high-amperage, ROHS-compliant RADSOK PCB connectors for a variety of power bus applications.

These applications include high-power bus assembly utilities, power-to-board servers, power-to-box servers and battery power/chargers for electric vehicles. Amphenol's proprietary RADSOK technology uses a hyperbolic, stamped grid configuration that ensures a large, coaxial, face-to-face surface area engagement to maximise heat dissipation and reduce failures.

The RADSERT, PowerBlok and PGY connectors not only feature dependable operation, but also offer more surface space within a circuit board design while eliminating threaded connection failures. They are therefore suitable for use in high-current, single-point connections.

RADSERT connectors offer the smallest footprint of Amphenol's new PCB line, opening up the most surface space for design flexibility. This new connector gives designers the option of bringing power to the board from busbars suspended above or below the board and its components. RADSERT is offered in press-fit and solder versions, and is available in either a 2.4mm (0.094in) size and rated for up to 35 Amps or a 3.6mm (0.141in) size and rated for up to 70 Amps. It is designed for a board thickness of 6.35mm +/-0.0635 mm (0.250in +/-0.025in) with custom sizes available for specific applications.

Also able to provide 70 Amps to a PCB, the 12.7mm x 12.7mm (0.500in x 0.500in) PowerBlok features a radial design that has a touch-proof cover and many points of contact. The connector's backplane power interface employs the use of compliant pins that are press-fit into the PCB. This helps to facilitate a solid connection and an even signal flow.

Available in 3.6mm (0.141in) carrying up to 70 Amps and 5.7mm (0.224in) carrying up to 120 Amps, the PGY is an orthogonal card edge connector that delivers the highest amperage in the smallest housing. The PGY connects to the PCB through a solder reflow process.

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