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.

1

2

4

3

Top View

FEATURES

DIMENSIONS

8.6x8.0mm footprint

4.7mm maximum height

Maximum DC Current: 5A

Closed magnetic circuit structure

Reflow solderable

Packaged on 500 piece reels

Units: mm

Suggested

Footprint

Tolerance: ±0.3mm

Pin Marking (Pin #1)

ELECTRICAL CHARACTERISTICS

Common Mode Impedance

10

100

1000

1

10

100

1000

10000

Frequency [MHz]

Common Mode Attenuation

-25

-20

-15

-10

-5

0

0.1

1

10

100

1000

10000

Frequency (MHz)

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

1

 2002 TOKO America, Inc.

CF-263-ECM85

All Rights Reserved

Printed in USA