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Fujitsu touts tiny 40A automotive PCB relay

Posted: 08 Feb 2008     Print Version  Bookmark and Share

Keywords:automotive relay  PCB relays  heavy power loads 


Fujitsu Components America Inc. has released what is said to be the market's smallest 40A, high-temperature-grade automotive PCB relay. Capable of switching heavy loads such as for power outlets, fan motors, electronic power steering and starters, the FBR53-HW relay replaces larger plug-in relays to conserve PCB weight and real estate in electronic control units.

Applicable for use in commercial and recreational vehicles, the new FBR-53HW is a 1 Form U (Form A) relay that measures 15.5-by-12.2-by-13.7mm and weighs 6g. It has a contact rating of DC 14V, 40A (resistive load with both contact connected) and can handle a maximum 80A inrush. Made of a liquid crystalline polymer material, the relay is surface-mount compatible and has an operating temperature range of -40°C to 125°C, making it suitable for use in engine compartments.

The relay features a low contact resistance of 1.2mΩ average (at 7A,12Vdc). It has a mechanical life expectancy of 10 million operations and an electrical life of 100,000 operations.

The relay series comes in standard coil voltages of 9-, 10- and 12Vdc, with 0.86W coil power. It is constructed of Pb-free materials and meets environmental disposal program requirements.

The FBR53-HW high capacity relay series is available immediately. Pricing is Rs.138.17 ($3.50) per device in 10,000-piece quantities. Delivery is 12 weeks ARO.

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