"=P2" is added to each part number to indicate tape and reel packaging.
APPLICATION EXAMPLES
VCC
USB 2.0
VCC
IEEE1394
NT2012
TPA +
D-
USB Connector
NT2012
TPA -
D+
ESD
ESD
NT2012
TPA +
TPA -
September 2003
2003 TOKO America, Inc.
All Rights Reserved
Printed in USA
CF-212-NT2012
IEEE 1394 Connector
1
NT2012 Series
WIREWOUND COMMON MODE FILTER
TYPICAL CHARACTERISTICS
Impedance Response of 985DH-1022
10000
Attenuation Characteristics of 985DH-1022
5
0
-5
-10
-15
-20
-25
-30
-35
-40
1
10
Impedance (
Ω
)
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 985BH-1007
10000
5
0
-5
-10
-15
-20
-25
-30
-35
-40
Attenuation Characteristics of 985BH-1007
Impedance (
Ω
)
1000
100
10
1
0.1
1
10
100
Common Mode
Normal Mode
1000
10000
Attenuation (dB)
Common Mode
Normal Mode
1
10
100
1000
10000
Frequency (MHz)
Frequency (MHz)
Impedance Response of 985DH-1023
10000
5
0
-5
-10
-15
-20
-25
-30
-35
-40
Attenuation Characteristics of 985DH-1023
Impedance (
Ω
)
1000
100
10
1
0.1
1
10
100
Common Mode
Normal Mode
1000
10000
Attenuation (dB)
Common Mode
Normal Mode
1
10
100
1000
10000
Frequency (MHz)
Frequency (MHz)
September 2003
2003 TOKO America, Inc.
All Rights Reserved
Printed in USA
CF-212-NT2012
2
NT2012 Series
WIREWOUND COMMON MODE FILTER
Impedance Response of 985AH-1001
10000
5
0
-5
-10
-15
-20
-25
-30
-35
-40
1
10
Attenuation Characteristics of 985AH-1001
Impedance (
Ω
)
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 985DH-1024
10000
Attenuation Characteristics of 985DH-1024
5
0
-5
-10
-15
-20
-25
-30
-35
-40
1
10
Impedance (
Ω
)
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 985DH-1025
10000
Attenuation Characteristics of 985DH-1025
5
0
-5
-10
-15
-20
-25
-30
-35
-40
1
10
Impedance (
Ω
)
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-212-NT2012
3
NT2012 Series
WIREWOUND COMMON MODE FILTER
Impedance Response of 985DH-1026
10000
5
0
-5
-10
-15
-20
-25
-30
-35
-40
Attenuation Characteristics of 985DH-1026
Impedance (
Ω
)
1000
100
10
1
0.1
1
10
100
Common Mode
Normal Mode
1000
10000
Attenuation (dB)
Common Mode
Normal Mode
1
10
100
1000
10000
Frequency (MHz)
Frequency (MHz)
TEST CONDITIONS
Impedance vs. Frequency
TEST CIRCUIT (COMMON MODE)
1
6
50Ω
Attenuation vs. Frequency
TEST CIRCUIT (COMMON MODE)
IN
1
6
OUT
50Ω
3
4
3
4
TEST EQUIPMENT: 8753D (HP)
E4991A (Agilent)
TEST CIRCUIT (NORMAL MODE)
1
6
50Ω
TEST CIRCUIT (NORMAL MODE)
IN
1
6
50Ω
3
4
OUT
3
4
TEST EQUIPMENT: 8753D (HP)
E4991A (Agilent)
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://
