Thin-film common-mode filter withintegrated ESD suppression
●TDK-EPC, a group company of the TDK Corporation, introduces the world’s first* thin-film common-mode filter (TCE1210) with both high-speed differential-transmission common-mode noise suppression and ESD protection in a single component. Mass production is scheduled to begin in April 2010.
●The new filter is the same size as existing TDK common-mode filters (1.25 × 1.00 × 0.60 mm³), but using the proprietary thin-film circuit formation and materials technologies, TDK successfully added an ESD suppressor function to the EMI function already present in the internal structure of existing filters. As a result, an additional varistor for ESD suppression is no longer needed. For manufacturers this means a reduction in the number of components and their mounting area, thus contributing to the further miniaturization of mobile devices.
●The new filter’s cutoff frequency is 5.0 GHz, the common-mode impedance is 90 Ω ±25 Ω, rated current is 100 mA, and ESD immunity complies with the IEC 61000-4-2 international surge standards. In addition, the filter’s low parasitic capacitance has nearly no effect on the impedance characteristic (TDR measurement), making this filter perfect for use with high-speed, high-volume interfaces such as HDMI, USB 3.0, and SATA in consumer electronics applications.
●Main features and benefits：
■A single component can provide common-mode noise and electrostatic suppression. The number of components and mounting area can be reduced.
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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April 2010 |
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