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Rectangular EMI suppression ferrite cores from RFI Industries

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article image Rectangular EMI suppression ferrite cores

Steward's rectangular EMI suppression ferrite cores provide a cost-effective means of reducing common mode EMI on flat or ribbon type cable assemblies.

Rectangular EMI suppression ferrite cores are frequently used to suppress EMI on the internal data cable assemblies of electronic equipment. By reducing the level of interference radiated or received by internal cables, the ferrite cores can reduce the cost and amount of overall shielding required confining EMI within a product's enclosure.

Steward also offers a selection of split components for retrofit and post-assembly operations. Similar in performance to Steward’s one piece core designs, the split ferrite cores provide good differential and common mode EMI suppression on flat cable assemblies. Lightweight, inexpensive metal or plastic end clips provide secure closure of the ferrite onto the cable.

Slot widths of both types are available from 6.0 mm to 68.6 mm and slot heights from 0.51 mm. Precision formed smooth surfaces prevent damage to wire insulation. The rectangular EMI suppression ferrite cores are available in Steward broad band (28) and high frequency (HF) materials Custom designs are also available.

Applications include minimising interference to or from internal floppy disk and hard disk ribbon cables, internal ribbon cables between circuit boards and data connectors and printer cables.

Steward is represented in Australia and New Zealand by RFI Industries.

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