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INDUCTORS AND COMMON MODE CHOKES
For Use in ADSL POTS Low Pass Filters
Excellent longitudinal balance Inductors also available in surface mount packages Customized inductance values available Inductance is stable within 10% with DC current from 0 to 100 mA
Electrical Specifications @ 25C -- Operating Temperature -40C to 85C
Part Number B2005 B2013 3 B2023 B2024 B2025 B2026 B2086 3 B2113 B2114 B2116 B2117 B2118 B8098 3
1
Inductance (each winding) (mH) 9.0 30% 1 9.0 30% 1 6.0 5% 2 4.0 5% 2 3.0 5% 2 10.0 5% 2 4.0 10% 2.25 10% 1.425 10% 1.65 10% 1.35 10% 0.8 10% 4.0 10%
DC Resistance (each winding) (W MAX) 0.60 1.00 4.00 3.00 2.50 4.50 3.60 2.25 2.25 2.25 2.25 2.00 3.60
Isolation Voltage (between windings) (Vrms) 1500 1500 1500 1500 1500 1500 1250 500 500 500 500 500 1250
Function Common Mode Choke Common Mode Choke Coupled Inductor for POTS Low Pass Filter Coupled Inductor for POTS Low Pass Filter Coupled Inductor for POTS Low Pass Filter Coupled Inductor for POTS Low Pass Filter Coupled Inductor for POTS Low Pass Filter Coupled Inductor for POTS Low Pass Filter Coupled Inductor for POTS Low Pass Filter Coupled Inductor for POTS Low Pass Filter Coupled Inductor for POTS Low Pass Filter Coupled Inductor for POTS Low Pass Filter Coupled Inductor for POTS Low Pass Filter
Mounting THT SMT THT THT THT THT SMT THT THT THT THT THT SMT
2 3 100 KHz, 20 mVrms 1.0 KHz, 1.0 mVrms, 0 mA to 100 mA (each winding). For Tape & Reel packaging, add the suffix "T" to this part number (B2013T) Note: The B2005 and B2013 are common mode chokes that reduce common mode voltages in the low frequency range that may be caused by telephone ringing signals or by interference from radio transmitters in the ADSL frequency range. The chokes are also designed to accommodate DC currents up to 100 mA.
Mechanical
B2024/B2025/B2113/B2114/B2116/B2117
3X .150 3,81 .760 MAX 19,30 .650 16,51
Schematic
1 3 4
5 8
.750 19,05 .870 .030 22,10 0,76
+.023
B2XXX Date Code
8X .130 .020 3,30 0,51
Weight . . . . . . . . . . . . . .9.5 grams Tray . . . . . . . . . . . . . . . . . .30/tray Dimensions: Inches mm
.426 - .028 10,82+0,58
- 0,71
Unless otherwise specified, all tolerances are
.010 0,25
.650 16,51
8X
.042 1,07
US 858 674 8100 UK 44 1483 401 700 France 33 3 84 35 04 04 Singapore 65 287 8998 Taiwan 886 2 2698 0228 Hong Kong 852 2788 6588 http://www.pulseeng.com
* * * * * *
B902.C (2/02)
INDUCTORS AND COMMON MODE CHOKES
For Use in ADSL POTS Low Pass Filters
Mechanicals
B2118
1 3 4
Schematics
B2118
Date Code Country of Mfg.
5 8
.470 11,94 MAX
.465 11,81 MAX
Weight . . . . . . . . . . . . . .3.6 grams Tray . . . . . . . . . . . . . . . . . .75/tray Dimensions: Inches mm
.134 .015 3,40 0,38 7X .020 5,08 .295 7,49 .435 11,05 MAX .098 2,50 .295 7,49
Pin 7 Removed BOTTOM VIEW
Unless otherwise specified, all tolerances are
.010 0,25
B2023
B2023 Date Code
4X .150 3,81 .930 MAX 23,62 .750 19,05
1 3 5
6 10
.900 22,86 1.020 25,91 .450 MAX 11,43 .800 20,32 10X .042 1,07
10X .155 .020 3,94 0,51
Weight . . . . . . . . . . . . .15.0 grams Tray . . . . . . . . . . . . . . . . . .45/tray Dimensions: Inches mm
Unless otherwise specified, all tolerances are
.010 0,25
B2026
4 X .200 5,08
1.030 MAX 26,16
.800 20,32
1 3 5
6 10
B2026 Date Code
.900 22,86 1.080 27,43
Weight . . . . . . . . . . . . .17.5 grams Tray . . . . . . . . . . . . . . . . . .25/tray Dimensions: Inches mm
.500 MAX 12,70 .800 20,32 10X .025 0,64
10X .110 2,79
Unless otherwise specified, all tolerances are
.010 0,25
US 858 674 8100 UK 44 1483 401 700 France 33 3 84 35 04 04 Singapore 65 287 8998 Taiwan 886 2 2698 0228 Hong Kong 852 2788 6588 http://www.pulseeng.com
* * * * * *
B902.C (2/02)
INDUCTORS AND COMMON MODE CHOKES
For Use in ADSL POTS Low Pass Filters
Mechanicals
B2086/B8098
10 X .028 .005 0,71 0,13 .695 17,65 MAX .098 2,50 .715 18,16 .526 13,36 .394 10,00 10 X .048 .005 1,22 0,13 .098 2,50
Schematics
B2086
.525 13,34 MAX
1 3 5 2 3 4
6 10
B2086/B8098
Date Code Country of Origin
.394 10,00
B8098
9 8
Note: Pin 1 is as marked. Pin numbers increment sequentially clockwise around the part.
.555 14,10MAX .485 12,32 MAX
.004 MIN 0,10
.005/0,13 10 SURFACES
Weight . . . . . . . . . . . . . .6.2 grams Tape & Reel . . . . . . . . . . .150/reel Tray . . . . . . . . . . . . . . . . . .60/tray Dimensions: Inches mm
Unless otherwise specified, all tolerances are
.010 0,25
B2005
.400 MAX 10,16 1
B2005 Date Code Country of Origin
.500 MAX 12,70
.300 7,62
1 10
5 6
10 .500 MAX 12,70 6 .130 3,30
C L
.400 10,16
C L
5
Weight . . . . . . . . . . . . . .3.7 grams Tube . . . . . . . . . . . . . . . . .40/tube Dimensions: Inches mm
Unless otherwise specified, all tolerances are
.010 0,25
B2013
.475 MAX 12,07 .120 3,05 .300 7,62
.030 0,76
1
.640 .400 16,26 10,16 .050 1,27 TYP
8 5
8 .600 15,24MAX
5 .475 MAX 12,07
4
B2013 Date Code Country ofOrigin
1
4
.100 2,54 .085 2,16
.100 2,54 TYP SUGGESTED PAD LAYOUT
Weight . . . . . . . . . . . . . .2.5 grams Tape & Reel . . . . . . . . . . .250/reel Tube . . . . . . . . . . . . . . . . .40/tube Dimensions: Inches mm
.340 8,64 MAX
.010 / .020 0,25 / 0,51 .040 / .050 1,02 / 1,27
* * *
Unless otherwise specified, all tolerances are .004/0,10 8 SURFACES
* * *
.010 0,25
US 858 674 8100 UK 44 1483 401 700 France 33 3 84 35 04 04 Singapore 65 287 8998 Taiwan 886 2 2698 0228 Hong Kong 852 2788 6588 http://www.pulseeng.com
B902.C (2/02)
INDUCTORS AND COMMON MODE CHOKES
For Use in ADSL POTS Low Pass Filters
Performance Description
The series of coupled inductors shown on this data sheet are ideal for use in Asymmetrical Digital Subscriber Line (ADSL) applications where a low pass filter is required to separate the voice frequencies from the data frequencies that are carried on an ADSL line. In spite of their small footprint and low profile, these coupled inductors provide excellent electrical performance. They have stable inductance with varying DC current and temperature, high self-resonant frequency, low coupling capacitance, and excellent balance. The common mode chokes were developed to reduce common mode voltages in the low frequency range that is used for voice transmission. The chokes are also designed to accommodate DC currents up to 100 mA.
Application Circuit
The following schematic depicts a typical LC filter that incorporates the use of a common mode choke in addition to the LC network. As shown in the frequency response graph below, at low frequencies, the amplitude of the output signal is roughly equal to the amplitude of the input signal. At higher frequencies the amplitude of the output decreases. Thus, the network passes low frequency voice signals with only a small degree of attenuation, while it suppresses high frequency signals and acts as a low pass filter.
Choke Input ADSL & POTS Signals
Inductor
Inductor
Inductor Output POTS Signal Only
Capacitor
Capacitor
Capacitor
Frequency Response
10 dB/REF 0 dB 0 dB
-100 dB 100 Hz 1 KHz 10 KHz 100 KHz
For More Information :
UNITED STATES (Worldwide)
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UNITED KINGDOM (Northern Europe)
1 & 2 Huxley Road The Surrey Research Park Guildford, Surrey GU2 5RE United Kingdom TEL: 44 1483 401700 FAX: 44 1483 401701
FRANCE (Southern Europe)
Zone Industrielle F-39270 Orgelet France TEL: 33 3 84 35 04 04 FAX: 33 3 84 25 46 41
SINGAPORE (Southern Asia)
150 Kampong Ampat #07-01/02 KA Centre Singapore 368324 TEL: 65 287 8998 FAX: 65 280 0080
TAIWAN, R.O.C. (Northern Asia)
3F-4, No. 81, Sec. 1 HsinTai Wu Road Hsi-Chih, Taipei Hsien Taiwan, R.O.C. Tel: 886 2 2698 0228 FAX: 886 2 2698 0948
HONG KONG (China/Hong Kong)
19/F, China United Plaza 1008 Tai Nan West Street Cheung Sha Wan, Kowloon Hong Kong, China TEL: 852 2788 6588 FAX: 852 2776 1055
DISTRIBUTOR
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product names mentioned herein may be products and/or registered trademarks of their respective owners. Printed on recycled paper. (c)2002, Pulse Engineering, Inc.
B902.C (2/02)

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