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
THD @ 30kHz
(dB MIN)
(Vrms)
BX2479H
BX2479W 1
BX2243H
BX2443W 1
BX2900W 1
BX2479HNL
BX2479WNL1
BX2243HNL
BX2443WNL1
BX2900WNL1
1.50
1.50
0.40
0.40
0.10
2:1
2:1
2:1
2:1
2:1
1500
1500
1500
1500
1500
-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
Schematic
Inches
mm
.010
0,25
Dimensions:
Unless otherwise specified, all tolerances are
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