ADSL LINE TRANSFORMERS
For Globespan ADSL CPE Chipsets
Matched to Globespan Virata CPE Café
ADSL chipset - DMT Annex A
Designed to meet IEC60950 supplementary
insulation requirements at 250V working voltage
1500V Breakdown Isolation between windings
Electrical Specifications @ 25°C — Operating Temperature -40°C to 85°C
RoHS-5
Compliant
Part No.
BX2577L
RoHS-6
Compliant
Part No.
BX2577LNL
Turns Ratio
TX:Line
(1-4):(9-16)
RX:Line
(5-8):(9-16)
w/2-3 & 11-14 shorted
w/6-7 & 11-14 shorted
1:4
1:2
OCL
Primary
(µH ±6%)
701
THD
@ 25kHz,
(dB MAX)
-83
Isolation
Voltage
(Vrms)
1500
NOTES:
Transformers are shipped in trays, unless Tape & Reel packaging is specified by adding the suffix
“T”
to this part number (BX2577LT and BX2577LNLT).
Mechanical
BX2577L / BX2577LNL
SUGGESTED PAD LAYOUT
Schematic
1
TX
3
2
4
5
.472
12,00
.066
1,70
Part Number
Date Code
Country of Origin
.650
16,50
.040
1,00
.537
13,65
MAX
16
11
LINE
14
9
.469
11,90
RX
7
6
8
.492
12,50
MAX
.622 MAX
15,80
.005/0,13
16 SURFACES
.066
1,70
.469
11,90
.020
0,50
Weight
. . . . . . . . . . . . . .6.5 grams
Tape & Reel
. . . . . . . . . . . .150/reel
Tray
. . . . . . . . . . . . . . . . . . .60/tray
Dimensions:
Inches
mm
Unless otherwise specified, all tolerances are ± .010
0,25
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, 2006. Pulse Engineering, Inc. All rights reserved.
www.pulseeng.com
B841.C (7/06)