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Introducing DF52 Series, 0.8mm Pitch, Robust, Wire-to-Board Connectors from Hirose, samples available from Anglia
Hirose has introduced the DF52 series to deliver a space-saving, robust, wire-to-board connectivity solution for applications requiring more strength and durability.

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Single-phase PCB-filters target DC-DC power modules

Compact new filters, for PCB-mounting in DC-DC converter applications, have been launched by leading EMC-filter specialist, Schaffner. The FN 409 series is an extension of the company's widely adopted ranges of PCB filters and is targeted directly at DC applications.

Two-stage filter circuits with high component values are key to the provision of exceptional attenuation performance, compared to traditional PCB-mounting filters. Additionally, the adoption of small-scale components is crucial to the combination of high performance with the smallest possible module size.

Being DC only, the FN 409 series filters are expected to be widely adopted by manufacturers of board-mount DC-DC converters, IT-equipment, telecoms, UMTS-modules and similar areas, where high-efficiency DC filtering is essential.

The filters are designed for an operating voltage of 75VDC, with two current rating options, 6.5A and 13A. A UL94V-0 rated plastic housing features pin connections for PCB-mounting. The units will operate in a wide temperature range, from -40°C up to +100°C.

The overall filter dimensions match the size of common DC-DC power converters. The height is 11.7mm (for the 6.5A version) and 12.7mm (for the 13A version), in common industry-standard full-brick, three-quarter-brick, half-brick and quarter-brick board-mount power modules.

For more information on the full range of Schaffner products available from Anglia please call +44 (0)1945 474747 or email

Alternatively, click on this link to go to the main Schaffner section where you can view other news articles and product data.

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This news article was published in November 2002.

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