B834.D (02/12)1
pulseelectronics.com
ADSL Line Transformers
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
BX2479H / BX2243H
BX2479H / BX2243H
Mechanicals
(and NL versions)
(and NL versions)
Schematic
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
BX2479W BX2479WNL 1.50 2:1 1500 -85
BX2243H BX2243HNL 0.40 2:1 1500 -85
BX2443W BX2443WNL 0.40 2:1 1500 -85
BX2900W BX2900WNL 0.10 2:1 1500 -85
Notes: 1. Optional Tape & Reel packaging can be ordered by adding a “T” sux to the part number (ex. BX2479WT and BX2479WNLT).
For Texas Instruments’ CPE Chipsets
For More Information
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Performance warranty of products oered 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.
Weight .....6.2 grams
Tray...............60/tray
Weight .....6.2 grams
Tray...............65/tray
Dimensions: Unless otherwise specified, all tolerances are ±
Inches
mm
.010
0,25
1 1
1 1
1 1
