Matched to
Turns Ratio
Inductance - Line Side Leakage Inductance - Line Side
DC Resistance
Part
Mount.
Conexant's
Application
Line - Chip
@ 10kHz, 100mV
@100kHz
Line Side
Chip Side
Number
Chipset No.
(2%)
(1-5) with (2-4) shorted
(1-5) with (2-4) and (7-9) shorted
(1-4) = (2-5)
(7-9)
B1017
THT
BT8921/BT8970
784Kpbs
2CS:1
3.0mH 6%
15H MAX @ 0.02Vrms
1.25
1.00
B1018
THT
BT8921/BT8970
1168Kpbs
2CS:1CT
2.0mH 10%
13H MAX @ 0.10Vrms
1.25
1.00
B1028
1
SMT
BT8921/BT8970
1168Kpbs
2CS:1CT
2.0mH 6%
11H MAX @ 0.10Vrms
1.20
1.00
B1020A
THT
RS8973
272 to 2320Kpbs
2CS:1
2.0mH 6%
6.5H MAX @ 0.02Vrms
2.00
1.10
B1040A
1
SMT
RS8973
272 to 2320Kpbs
2CS:1
2.0mH 10%
6.5H MAX @ 0.02Vrms
1.60
1.05
B1075
THT
RS8973
272 to 2320Kpbs
2CS:1CT
2.0mH 6%
8H MAX @ 0.02Vrms
2.00
0.70
Part
Longitudinal Balance
THD @ 135
Insertion Loss @ 135
Return Loss @ 135
Isolation Voltage
Number
(dB)
(dB)
(dB)
(dB)
(Vrms @ 60 sec)
B1017
-53 (40kHz to 200kHz)
-70 (10kHz, 5.0Vrms)
0.40 (26kHz to 200kHz)
19 (40kHz to 200kHz)
1500
B1018
-53 (30kHz to 300kHz)
-70 (40kHz, 1.85Vrms)
0.50 (40kHz)
16 (40kHz to 300kHz)
1500
B1028
-50 (40kHz to 300kHz)
-70 (20kHz, 4.5Vrms)
(Data not available)
16.5 (40kHz to 300kHz)
1500
B1020A
-50 (30kHz to 300kHz)
-70 (10kHz, 5.0Vrms)
0.65 (30kHz to 580kHz)
16 (40kHz to 300kHz)
1500
B1040A
-50 (30kHz to 420kHz)
-70 (10kHz, 5.0Vrms)
0.60 (30kHz to 580kHz)
16 (40kHz to 300kHz)
1500
B1075
-50 (30kHz to 300kHz)
-70 (10kHz, 5.0Vrms)
0.50 (30kHz to 580kHz)
16 (40kHz to 300kHz)
1500
1
Transformers are shipped in trays unless Tape & Reel packaging is specified by adding the suffix "T" to the part number (i.e. B1028T)
2
DCR on the chip side of part number B1075 is given for (7-8) = (8-9)
Electrical Specifications @ 25C -- Operating Temperature -40C to +85C
Excellent THD performance
Small footprint
Designed to meet UL1950 supplementary insulation
requirements for working voltage up to 250Vrms
Additional Electrical Specifications
HDSL LINE TRANSFORMERS
For Conexant Chipsets
Mechanicals
Schematics
1
5
2
4
2:1
Line
8
7
Chip
9
B1017, B1020A, B1040A
9
1
5
2
4
7
2:1
Line
Chip
B1018, B1028, B1075
B10XX
Date Code
Country of Mfg.
.394
10,00
.018
0,46
10 X
.394
10,00
.098
2,50
.173 .015
4,39 0,38
.547 MAX
13,89
.500 MAX
12,70
.550 MAX
13,97
B10XX
Date Code
Country of Mfg.
.516 MAX
13,11
.695 MAX
17,65
.530
13,46
MAX
.098
2,50
.485
12,32
MAX
.028
.002
0,71
0,05
10 X
.100
2,54
.605
15,37
.051
.002
1,30
0,05
10 X
.098
2,50
.005/0,13
10 SURFACES
.394
10,00
MAX
.394
10,00
10 X 0 8
.031
.006
0,79
0,15
10 X
.004
0,10 MIN
Weight . . . . .6.2 grams
Tray . . . . . . . . .60/tray
B10XX
(THT)
B10XX
(SMT)
Unless otherwise specified, all tolerances are .010
0,25
Dimensions: Inches
mm
www.pulseeng.com
B978.B (12/05)
For More Information:
Pulse Worldwide
Headquarters
12220 World Trade Drive
San Diego, CA 92128
U.S.A.
www.pulseeng.com
TEL: 858 674 8100
FAX: 858 674 8262
Pulse
Northern Europe
3 Huxley Road
Surrey Research Park
Guildford, Surrey GU2 5RE
United Kingdom
TEL: 44 1483 401700
FAX: 44 1483 401701
Pulse
Southern Europe
Zone Industrielle
F-39270
Orgelet
France
TEL: 33 3 84 35 04 04
FAX: 33 3 84 25 46 41
Pulse South Asia
150 Kampong Ampat
#07-01/02
KA Centre
Singapore 368324
TEL: 65 6287 8998
FAX: 65 6280 0080
Pulse North Asia
3F-4, No. 81, Sec. 1
Hsin Tai Wu Road
Hsi-Chih
Taipei Hsien
Taiwan
TEL: 886 2 26980228
FAX: 886 2 26980948
Pulse
China Headquarters
No. 1
Industrial District
Changan, Dongguan
China
TEL: 86 769 5538070
FAX: 86 769 5538870
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 trademarks or registered trademarks of their respective owners.
Copyright, 2005. Pulse Engineering, Inc. All rights reserved.
Pulse North China
Room 1002
No. 819
Nanjing West Rd
Shanghai
China
TEL: 86 21 32181071
FAX: 86 21 32181396
PDF 
ZIP