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” suffix to the part number (ex. BX2479WT and BX2479WNLT).

For Texas Instruments’ CPE Chipsets

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.

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