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Chokes offer low DC resistance of 0.006Ω

Posted: 02 Dec 2011     Print Version  Bookmark and Share

Keywords:common-mode chokes  DC power lines 

Vishay Intertechnology Inc. unveils three new surface-mount, common-mode chokes offering low DC resistance, high current-handling capability, and high stability for DC power lines.

Vishay's chokes

Vishay's ICM-2824, ICM-3528, and ICM-4743 common-mode chokes provide noise suppression in power line apps.

The ICM-2824, ICM-3528, and ICM-4743 common-mode chokes from Vishay Dale are designed to provide noise suppression for power line applications in local area networks (LAN), personal computers, CD-ROM drives, telephones, and electronic games.

The devices feature low maximum DC resistance from just 0.006Ω up to 0.015Ω at rated currents from 8A down to 4A, and common-mode impedance ranging from 300Ω to 1500Ω at 100MHz. All three chokes provide a maximum rated voltage of 80VDC, insulation resistance of 10MΩ, and an operating temperature range of—25°C to + 85°C.

Offered in lead- (Pb) free, surface-mount packages with treated base terminals, the devices allow for easy mounting to the PCB and feature a paired wire coil for high stability. The ICM-2824, ICM-3528, and ICM-4743 measure 7mm x 6mm, 9mm x 7mm, and 12mm x 11mm, respectively, with maximum heights of 4 mm, 5 mm, and 6.3 mm.

Samples and production quantities of the new common-mode chokes are available now. Lead time for production quantities is 10 weeks.

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