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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
RoHS-6 Compliant
Part Number
OCL
(mH ±5%)
Turns Ratio
(line:chip)
Isolation Voltage
(Vrms)
THD @ 30kHz
(dB MIN)
BX2479H
BX2479HNL
1.50
2:1
1500
-85
1.50
2:1
1500
-85
BX2479W
1
BX2479WNL
BX2243H
1
BX2243HNL
BX2443W
1
BX2900W
1
0.40
2:1
1500
-85
BX2443WNL
1
0.40
2:1
1500
-85
BX2900WNL
1
0.10
2:1
1500
-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
Dimensions:
Unless otherwise specified, all tolerances are ± .010
mm
0,25
Schematic
For More Information
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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.
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