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NT2012F Series
WIREWOUND COMMON MODE FILTER
DESCRIPTION
The TOKO NT2012F is a wirewound miniature common mode filter specifically designed to eliminate common mode noise in USB 2.0, IEEE 1394, and LVDS applications. An economical alternative to the TOKO NT2012, the dual winding configuration in a tight form factor provides exceptional EMI reduction in space-constrained environments.
FEATURES
Miniature footprint: 2.0 x 1.2mm Low profile: 1.0mm max. Operating temperature: -30C to +85C Packaged on 2000 piece reels Reflow solderable
DIMENSIONS
1.20 .2
0. 4 t y p. 0.4 ty p.
2.00.2 TOP VIEW
1.10.2
0.45 typ.
BOTTOM VIEW
0.9 0.1
SIDE VIEW
APPLICATION EXAMPLE
USB 2.0
NT2012F
DVCC
RECOMMENDED PATTERN
USB Connector
0.4 0.4 0.4 0.9 0.8 0.9
UNITS: mm
D+
ESD ESD
ELECTRICAL SPECIFICATIONS
TOKO Part No. 1012AH-1012=P2 1012AH-1007=P2 1012AH-1013=P2 Common Mode Impedance () typ. 10MHz 100MHz 7 67 10 14 90 120 Common Mode Attenuation (dB) 10MHz 100MHz 500MHz 1.0 max. 1.0 min. 6.5 min. 1.0 max. 1.0 max. 1.5 min. 2.0 min. 8.0 min. 10.0 min. IDC (A) max. 0.33 0.31 0.28 DCR () max. 0.26 0.31 0.36
Note: "=P2" is added to each part number to indicate tape and reel packaging.
September 2003
2003 TOKO America, Inc. All Rights Reserved Printed in USA CF-279-NT2012F
0.4 ty p.
UNITS: mm
1
NT2012F Series
WIREWOUND COMMON MODE FILTER
TYPICAL CHARACTERISTICS
Impedance Response of 1012AH-1012
10000
Attenuation Characteristics of 1012AH-1012
5 0 -5 -10 -15 -20 -25 -30 -35 -40 1 10
Impedance ()
1000 100 10 1 0.1 1 10 100 Common Mode Normal Mode 1000 10000
Attenuation (dB)
Common Mode Normal Mode 100 1000 10000
Frequency (MHz)
Frequency (MHz)
Impedance Response of 1012AH-1007
10000
Attenuation Characteristics of 1012AH-1007
5 0 -5 -10 -15 -20 -25 -30 -35 -40 1 10
Impedance ()
1000 100 10 1 0.1 1 10 100 Common Mode Normal Mode 1000 10000
Attenuation (dB)
Common Mode Normal Mode 100 1000 10000
Frequency (MHz)
Frequency (MHz)
September 2003
2003 TOKO America, Inc. All Rights Reserved Printed in USA CF-279-NT2012F
2
NT2012F Series
WIREWOUND COMMON MODE FILTER
TYPICAL CHARACTERISTICS
Attenuation Characteristics of 1012AH-1013
5 0 -5 -10 -15 -20 -25 -30 -35 -40 1 10
Impedance Response of 1012AH-1013
10000
100 10 1 0.1 1 10 100 Common Mode Normal Mode 1000 10000
Attenuation (dB)
Impedance ()
1000
Common Mode Normal Mode 100 1000 10000
Frequency (MHz)
Frequency (MHz)
TEST CONDITIONS
Impedance vs. Frequency
TEST CIRCUIT (COMMON MODE)
1 6
50
Attenuation vs. Frequency
TEST CIRCUIT (COMMON MODE)
IN
1
6
OUT 50
3
4
3
4
TEST EQUIPMENT: 8753D (HP)
E4991A (Agilent)
TEST CIRCUIT (NORMAL MODE)
1 6
50
TEST CIRCUIT (NORMAL MODE)
IN
1
6
50
3
4
OUT
3
4
TEST EQUIPMENT: 8753D (HP)
E4991A (Agilent)
September 2003
2003 TOKO America, Inc. All Rights Reserved Printed in USA CF-279-NT2012F
3
NT2012F Series
WIREWOUND COMMON MODE FILTER
NOTES
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
September 2003
2003 TOKO America, Inc. All Rights Reserved Printed in USA CF-279-NT2012F
4

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