ECM85 SURFACE MOUNT COMMON MODE FILTER FOR DC POWER DESCRIPTION The TOKO ECM85 is a surface mount common mode choke coil designed for DC power line applications up to 5 Amps. The product is specifically designed for use between the DC-DC converter and external AC adapter in portable platforms such as notebook computers. FEATURES 1 4 2 3 Top View DIMENSIONS 8.6x8.0mm footprint 4.7mm maximum height Maximum DC Current: 5A Closed magnetic circuit structure Reflow solderable Packaged on 500 piece reels Pin Marking (Pin #1) Units: mm Tolerance: ±0.3mm ELECTRICAL CHARACTERISTICS Suggested Footprint Common Mode Impedance Z [Ω] 1000 100 10 1 10 100 Frequency [MHz] 1000 10000 Common Mode Attenuation 0 Att (dB) -5 -10 -15 -20 -25 0.1 1 10 100 Frequency (MHz) 1000 10000 The information furnished by TOKO, Inc., is believed to be accurate and reliable. However, TOKO reserves the right to make changes or improvements in the design, specification, or manufacture of its products without further notice. TOKO does not assume any liability arising from the application or use of any product or circuit described herein, nor for infringements of patents or other rights of third parties which may result from the use of its products. No license is granted by implication or otherwise under any patent or patent rights of TOKO, Inc. TOKO America, Inc. 1250 Feehanville Drive, Mt. Prospect, IL 60056 Tel: 800-PIK-TOKO or 847-297-0070 Fax: 847-699-7864 Web: http:// www.tokoam.com July 2002 2002 TOKO America, Inc. All Rights Reserved Printed in USA 1 CF-263-ECM85