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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 @ 25C -- Operating Temperature -40C to +85C
Part Number B1017 B10591 B1018 B10281 B1020A B1040A1 B1075 B10771 Mount. THT SMT THT SMT THT SMT THT SMT Matched to Conexant's Chipset No. BT8921/BT8970 BT8921/BT8970 BT8921/BT8970 BT8921/BT8970 RS8973 RS8973 RS8973 RS8973 Application 784 Kpbs 784 Kpbs 1168 Kpbs 1168 Kpbs 272 to 2320 Kpbs 272 to 2320 Kpbs 272 to 2320 Kpbs 272 to 2320 Kpbs Turns Ratio Inductance - Line Side Leakage Inductance - Line Side Line - Chip @ 10 kHz, 100 mV @100 kHz (2%) (1-5) with (2-4) shorted (1-5) with (2-4) and (7-9) shorted 3.0 mH 6% 15 H MAX @ 0.02 Vrms 2CS:1 3.0 mH 10% 15 H MAX @ 0.02 Vrms 2CS:1 2.0 mH 10% 13 H MAX @ 0.10 Vrms 2CS:1CT 2.0 mH 6% 11 H MAX @ 0.10 Vrms 2CS:1CT 2.0 mH 6% 6.5 H MAX @ 0.02 Vrms 2CS:1 2.0 mH 10% 6.5 H MAX @ 0.02 Vrms 2CS:1 2.0 mH 6% 8 H MAX @ 0.02 Vrms 2CS:1CT 2.0 mH 8% 8 H MAX @ 0.02 Vrms 2CS:1CT DC Resistance Line Side Chip Side (1-4) = (2-5) (7-9) 1.25 1.00 1.25 1.00 1.25 1.00 1.20 1.00 2.00 1.10 1.60 1.05 2.00 0.70 2.00 0.70
W W W W W W W W W W W W W W W W
Additional Electrical Specifications
W W W
1 2
Transformers are shipped in trays unless Tape & Reel packaging is specified by adding the suffix "T" to the part number (i.e. B1028T) DCR on the chip side of part numbers B1075 and B10778 is given for (7-8) = (8-9)
Mechanicals
B10XX (THT)
Date Code Country of Mfg.
B10XX (SMT)
B10XX
Weight . . . . .6.2 grams Tray . . . . . . . . .60/tray
10 X .028 .002 0,71 0,05 .695 17,65 MAX .394 10,00 MAX
.605 15,37 .100 2,54 .394 10,00 10 X .051 .002 1,30 0,05 .098 2,50
.530 13,46 MAX
Date Code Country of Mfg.
B10XX
.098 2,50
.500 12,70MAX
.516 13,11MAX .485 12,32 MAX
10 X
.018 0,46
.173 .015 4,39 0,38 .394 10,00 .550 13,97MAX
.098 2,50 .394 10,00 .547 13,89MAX
10 X 0 8
For More Information :
UNITED STATES (Worldwide)
12220 World Trade Drive San Diego, CA 92128 U.S.A. http://www.pulseeng.com TEL: 858 674 8100 FAX: 858 674 8262
Dimensions: Inches mm
B1018, B1028, B1075 & B1077 1 9 .004 MIN 0,10 4 8 Chip Line .005/0,13 2 .031 .006 10 SURFACES 10 X 0,79 0,15 7 5 2:1 Unless otherwise specified, all tolerances are .010
0,25
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
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. (c)2002, Pulse Engineering, Inc.

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Part Number B1017 B1059 B1018 B1028 B1020A B1040A B1075 B1077
Longitudinal Balance (dB) -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)
THD @ 135 (dB) -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)
Insertion Loss @ 135 (dB) 0.40 (26 kHz to 200 kHz) 0.40 (26 kHz to 200 kHz) 0.50 (40 kHz) 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)
Return Loss @ 135 (dB) 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)
Isolation Voltage (Vrms @ 60 sec) 1500 1500 1500 1500 1500 1500 1500 1500
Schematics
B1017, B1020A, B1040A & B1059 1
Line
4 2 5 2:1
9 7
Chip
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
B978.A (3/02)

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