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Line filters for EMI suppression
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2009.09.04  13:39:11
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Bourns ( http://www.bourns.com ) enjoys rising orders for the SRF series of line filters for electromagnetic interference (EMI) suppression. Designated Bourns¢ç models SRF0504, SRF0602, SRF0905, SRF1006 and SRF1306, the new lead free line filters feature inductance values from 0.55 µH up to 6500 µH and current ratings as high as 5 amps.

Line filters are required in personal computers, data terminals, test equipment and process controllers for high frequency suppression into or out of electronic equipment. The new devices are RoHS* compliant and offer excellent EMI suppression capability at high frequencies for a broad range of applications that require minimization of interference.

Technical Features
Model       Current Rating     Inductance Range     Frequency Range
SRF0504    up to 5 A            0.55 to 5.0 µH          to 1200 MHz
SRF0602    300 mA              10 to 330 µH             to 1600 MHz
SRF0905    up to 1.6 A         10 to 6500 µH           to 300 MHz
SRF1006    up to 1.4 A         120 to 5000 µH         to 200 MHz
SRF1306    up to 2.7 A         35 to 1000 µH           to 250 MHz

Pricing and Availability
As a pricing reference, Bourns¡¯ new SRF series of line filters is priced from $0.36-$1.10 per piece and is available now.

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