ADSL Line Transformers
For Texas Instruments’ CPE Chipsets
ADSL/ADSL2+ CPE Transformers for POTS and ISDN
applications, matched to Texas Instruments AR7, AU7
and AP7 chipset
Designed to meet EN60950 supplementary insulation
requirements for working voltages up to 250Vrms
Electrical Specifications @ 25°C - Operating Temperature -40°C to +85°C
RoHS-5 Compliant
Part Number
BX2479H
BX2479W
BX2243H
BX2443W
1
BX2900W
1
1
RoHS-6 Compliant
Part Number
BX2479HNL
BX2479WNL
BX2243HNL
BX2443WNL
1
BX2900WNL
1
1
OCL
(mH
±5%)
1.50
1.50
0.40
0.40
0.10
Turns Ratio
(line:chip)
2:1
2:1
2:1
2:1
2:1
Isolation Voltage
(Vrms)
1500
1500
1500
1500
1500
THD @ 30kHz
(dB MIN)
-85
-85
-85
-85
-85
Notes: 1.
Optional Tape & Reel packaging can be ordered by adding a “T” suffix to the part number (ex. BX2479WT and BX2479WNLT).
Mechanicals
BX2479H / BX2243H
(and NL versions)
BX2479H / BX2243H
(and NL versions)
Weight
.....6.2 grams
Tray...............65/tray
Weight
.....6.2 grams
Tray...............60/tray
Inches
Unless otherwise specified, all tolerances are
±
.010
mm
0,25
Pulse China Headquarters
B402, Shenzhen Academy of
Aerospace Technology Bldg.
10th Kejinan Road
High-Tech Zone
Nanshan District
Shenzen, PR China 518057
Tel: 86 755 33966678
Fax: 86 755 33966700
Pulse North China
Room 2704/2705
Super Ocean Finance Ctr.
2067 Yan An Road West
Shanghai 200336
China
Tel: 86 21 62787060
Fax: 86 2162786973
Schematic
Dimensions:
For More Information
Pulse Worldwide
Headquarters
12220 World Trade Drive
San Diego, CA 92128
U.S.A.
Tel: 858 674 8100
Fax: 858 674 8262
Pulse Europe
Einsteinstrasse 1
D-71083 Herrenberg
Germany
Pulse South Asia
135 Joo Seng Road
#03-02
PM Industrial Bldg.
Singapore 368363
Tel: 65 6287 8998
Fax: 65 6287 8998
Pulse North Asia
3F, No. 198
Zhongyuan Road
Zhongli City
Taoyuan County 320
Taiwan R. O. C.
Tel: 886 3 4356768
Fax: 886 3 4356823 (Pulse)
Fax: 886 3 4356820 (FRE)
Tel: 49 7032 78060
Fax: 49 7032 7806 135
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, 2012. Pulse Electronics, Inc. All rights reserved.
1
pulseelectronics.com
B834.D (02/12)