NT2012 COMMON MODE FILTER FOR USB 2.0 DESCRIPTION The TOKO NT2012 is a wirewound miniature common mode filter specifically designed to eliminate common mode noise in USB 2.0 and IEEE1394 applications. A dual winding configuration in a tight form factor provides exceptional EMI reduction in space-constrained environments. FEATURES DIMENSIONS 2.0x1.2mm package size 1.3 Max. 1.3mm maximum height Common mode impedance of 165 ohm at 100 MHz (typical). Operating Temperature: -30C to +85C Packaged on 2000 piece reels Reflow solderable 0.4 0.4 DCR ( ) TOKO Part No. Insertion Loss IDC (A) 0.4 10 MHz 1.2 dB max. Units: mm 0.33 0.26 985AH-1001=P2 100 MHz 4 dB min. max. max. 500 MHz 11 dB min. 1.10.2 0.45 TYPICAL CHARACTERISTICS Attenuation Characteristics of 985AH-1001 Impedance Response of 985AH-1001 0 10000 Common Mode -5 1000 Normal Mode -10 100 -15 Common Mode 10 Normal Mode -20 1 -25 0.1 -30 1 10 100 1000 10000 1 10 100 1000 10000 Frequency (MHz) Frequency (MHz) January 2002 1 2002 TOKO America, Inc. CF-212-NT2012 All Rights Reserved Printed in USA Impedance ( ) Attenuation (dB) NT2012 COMMON MODE FILTER FOR USB 2.0 APPLICATION EXAMPLES USB 1.1/ USB 2.0 VCC 985AH-1001 D - D + IEEE1394 VCC 985AH-1001 TPA + TPA - 985AH-1001 TPA + TPA - 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:
