HDSL LINE TRANSFORMERS
For use with Conexant chipsets
Excellent THD performance
Small footprint
Designed to meet UL 1950 supplementary insulation
requirements for working voltage up to 250 Vrms
Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C
DC Resistance
Matched to
Conexant's
Chipset No.
Turns Ratio Inductance - Line Side Leakage Inductance - Line Side
Part
Number
Mount.
Application
Line - Chip
@ 10 kHz, 100 mV
@100 kHz
Line Side
Chip Side
(7-9)
( 2%)
(1-5) with (2-4) shorted
(1-5) with (2-4) and (7-9) shorted (1-4) = (2-5)
B1017
THT
SMT
THT
SMT
THT
SMT
THT
SMT
3.0 mH 6%
3.0 mH 10%
2.0 mH 10%
2.0 mH 6%
2.0 mH 6%
2.0 mH 10%
2.0 mH 6%
2.0 mH 8%
15 µH MAX @ 0.02 Vrms
15 µH MAX @ 0.02 Vrms
13 µH MAX @ 0.10 Vrms
11 µH MAX @ 0.10 Vrms
6.5 µH MAX @ 0.02 Vrms
6.5 µH MAX @ 0.02 Vrms
8 µH MAX @ 0.02 Vrms
8 µH MAX @ 0.02 Vrms
1.25
1.25
1.25
1.20
2.00
1.60
2.00
2.00
1.00
1.00
1.00
1.00
1.10
1.05
0.70
0.70
BT8921/BT8970
BT8921/BT8970
BT8921/BT8970
BT8921/BT8970
RS8973
784 Kpbs
784 Kpbs
1168 Kpbs
2CS:1
2CS:1
2CS:1CT
2CS:1CT
2CS:1
2CS:1
2CS:1CT
2CS:1CT
B10591
B1018
B10281
B1020A
B1040A1
B1075
1168 Kpbs
272 to 2320 Kpbs
272 to 2320 Kpbs
272 to 2320 Kpbs
272 to 2320 Kpbs
RS8973
RS8973
RS8973
B10771
Additional Electrical Specifications
Part
Number
Longitudinal Balance
THD @ 135
(dB)
Insertion Loss @ 135
Return Loss @ 135
Isolation Voltage
(Vrms @ 60 sec)
(dB)
(dB)
(dB)
B1017
B1059
B1018
B1028
B1020A
B1040A
B1075
B1077
-53 (40 kHz to 200 kHz)
-53 (40 kHz to 200 kHz)
-53 (30 kHz to 300 kHz)
-50 (40 kHz to 300 kHz)
-50 (30 kHz to 300 kHz)
-50 (30 kHz to 420 kHz)
-50 (30 kHz to 300 kHz)
-50 (30 kHz to 300 kHz)
-70 (10 kHz, 5.0 Vrms)
-70 (10 kHz, 5.0 Vrms)
-70 (40 kHz, 1.85 Vrms)
-70 (20 kHz, 4.5 Vrms)
-70 (10 kHz, 5.0 Vrms)
-70 (10 kHz, 5.0 Vrms)
-70 (10 kHz, 5.0 Vrms)
-70 (10 kHz, 5.0 Vrms)
0.40 (26 kHz to 200 kHz)
0.40 (26 kHz to 200 kHz)
0.50 (40 kHz)
19 (40 kHz to 200 kHz)
19 (40 kHz to 200 kHz)
16 (40 kHz to 300 kHz)
16.5 (40 kHz to 300 kHz)
16 (40 kHz to 300 kHz)
16 (40 kHz to 300 kHz)
16 (40 kHz to 300 kHz)
16 (40 kHz to 300 kHz)
1500
1500
1500
1500
1500
1500
1500
1500
Data not available)
0.65 (30 kHz to 580 kHz)
0.60 (30 kHz to 580 kHz)
0.50 (30 kHz to 580 kHz)
0.60 (30 kHz to 580 kHz)
1Transformers are shipped in trays unless Tape & Reel packaging is specified by adding the suffix “T” to the part number (i.e. B1028T)
2DCR on the chip side of part numbers B1075 and B10778 is given for (7-8) = (8-9)
Mechanicals
Schematics
.605
15,37
.028 ± .002
B10XX
(THT)
B10XX
(SMT)
10 X
0,71 ± 0,05
B1017, B1020A, B1040A & B1059
.695
17,65
.100
2,54
MAX
1
Weight . . . . .6.2 grams
Tray . . . . . . . . .60/tray
B10XX
Date Code
Country of Mfg.
9
4
2
.530
13,46
MAX
.394
10,00
MAX
.394
10,00
Line
Chip
B10XX
.098
2,50
Date Code
7
Country of Mfg.
5
.098
2,50
.051 ± .002
1,30 ± 0,05
10 X
.500
MAX
12,70
2:1
.516
MAX
13,11
B1018, B1028, B1075 & B1077
.485
12,32
MAX
.173 ± .015
4,39 ± 0,38
1
9
.018
0,46
.098
.004
MIN
10 X
0,10
2,50
.394
10,00
.547
MAX
13,89
4
2
.394
8
7
Line
Chip
.005/0,13
10,00
10 X 0° 8°
.031 ± .006
0,79 ± 0,15
10 SURFACES
.550
MAX
13,97
10 X
5
2:1
Inches
mm
.010
0,25
Dimensions:
FRANCE
Unless otherwise specified, all tolerances are
For More Information :
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
UNITED STATES
(Worldwide)
HONG KONG
SINGAPORE
(Southern Europe) (Southern Asia)
TAIWAN, R.O.C.
(Northern Asia)
DISTRIBUTOR
(China/Hong Kong)
12220 World Trade Drive
San Diego, CA 92128
U.S.A.
http://www.pulseeng.com
TEL: 858 674 8100
FAX: 858 674 8262
19/F, China United Plaza
1008 Tai Nan West Street
Cheung Sha Wan, Kowloon
Hong Kong, China
Zone Industrielle
F-39270
150 Kampong Ampat 3F-4, No. 81, Sec. 1
#07-01/02
KA Centre
HsinTai Wu Road
Hsi-Chih, Taipei Hsien
Taiwan, R.O.C.
Tel: 886 2 2698 0228
FAX: 886 2 2698 0948
Orgelet
France
Singapore 368324
TEL: 33 3 84 35 04 04 TEL: 65 287 8998
FAX: 33 3 84 25 46 41 FAX: 65 280 0080
TEL: 852 2788 6588
FAX: 852 2776 1055
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.
Printed on recycled paper. ©2002, Pulse Engineering, Inc.
B978.A (3/02)
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