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EMC components: Clamp filter with a low profile
(TDK-EPC Corporation)

  • Low-profile clamp filter suitable for flat-screen TVs
  • Mass production to begin in April 2012
EMC Control Products: Newly Developed Low-Profile Clamp Filter Ready for Mass Production

February 16, 2012

TDK-EPC, a group company of the TDK Corporation, has developed the ZCAT-D series of TDK clamp filters. The new low-profile filters are especially suited for EMI suppression by eliminating noise in the power lines of flat-screen TVs, in speaker lines, and similar applications. Mass production is scheduled to begin in April 2012.

TDK clamp filters employ a vertically split cylindrical ferrite core, with the entire filter enclosed in a resin housing, a construction principle unique to TDK products. The ferrite core, which was developed by applying TDK's original materials technology, ensures excellent magnetic characteristics and effective RF noise suppression.

Because conventional products are too thick to fit into the rear case of flat-screen TVs, the new filter has been slimmed down. This was achieved by modifying the sintering method of the material for the ferrite core, allowing it to be made thinner without negatively affecting performance. The result is a 30 percent height reduction compared to conventional TDK products. The temperature range for usage is -25 to +85 °C.

Main applications
  • Noise suppression in the power lines of flat-screen TVs, speaker lines, and similar applications.
Main features and benefits
  • A modified sintering method for ferrite core achieves a component height of up to 30 percent less than existing products.
Key data
Type Impedance at 100 MHz [Ω] Dimensions [mm]
ZCAT20D 210 35.0 x 30.0 x 20.0
ZCAT13D 150 34.0 x 20.0 x 13.0
ZCAT10D 95 27.0 x 14.5 x 10.0
About TDK-EPC Corporation

TDK-EPC Corporation (TDK-EPC), a TDK group company, is a leading manufacturer of electronic components, modules and systems headquartered in Tokyo, Japan. TDK-EPC has emerged from the combination of the electronic components business of TDK and the EPCOS Group and markets its products under the product brands, TDK and EPCOS.

The product portfolio includes ceramic, aluminum electrolytic and film capacitors, ferrites and inductors, high-frequency components such as surface acoustic wave (SAW) filter products and modules, piezo and protection components, and sensors. With this product spectrum TDK-EPC offers a broad range of products and solutions of outstanding value from a single source and focuses on demanding markets in the areas of information and communication technology and automotive, industrial and consumer electronics. The company has design and manufacturing locations and sales offices in Asia, Europe, and in North and South America.

Contacts for regional media
Region Contact Phone Mail
Japan Mr. Yoichi Osuga TDK Corporation
Tokyo/ Japan
+813 6778-1055
ASEAN Ms. Tomoko Kameda TDK Singapore (Pte) Ltd.
+65 6273 5022
Greater China Ms. Clover XU TDK China Co., Ltd.
Shanghai/ China
+86 21 61962307
Europe Mr. Frank Trampnau TDK Electronics Europe GmbH
Duesseldorf/ Germany
+49 211 9077 127
America Ms. Sara M. Reynoso TDK Corporation of America
Irving, TX/ USA