TURNS RATIO: 1:4; 1:2, HEIGHT DIM INCLUDES TERMINAL ALSO, COMPATIBLE WITH GLOBESPAN CHIPSET
high
12.5 mm
length
15.8 mm
Manufacturer's serial number
BX2577L
Installation features
SURFACE MOUNT
Maximum operating temperature
85 °C
Minimum operating temperature
-40 °C
method of packing
TRAY
physical size
15.8mm X 13.65mm X 12.5mm
surface mount
YES
Transformer type
TELECOM TRANSFORMER
width
13.65 mm
BX2577L Preview
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
Part
Number
BX2577L
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).
Mechanical
BX2577L
SUGGESTED PAD LAYOUT
Schematic
1
TX
3
2
4
5
.472
12,00
.066
1,70
Date Code
Country of Origin
.650
16,50
.040
1,00
BX2577L
.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:
Pulse Worldwide
Headquarters
12220 World Trade Drive
San Diego, CA 92128
U.S.A.
www.pulseeng.com
TEL: 858 674 8100
FAX: 858 674 8262
Pulse
Northern Europe
3 Huxley Road
Surrey Research Park
Guildford, Surrey GU2 5RE
United Kingdom
TEL: 44 1483 401700
FAX: 44 1483 401701
Pulse
Southern Europe
Zone Industrielle
F-39270
Orgelet
France
TEL: 33 3 84 35 04 04
FAX: 33 3 84 25 46 41
Pulse
Pulse North China
China Headquarters
Room 1002
No. 1
Industrial District
Changan, Dongguan
China
TEL: 86 769 5538070
FAX: 86 769 5538870
No. 819
Nanjing West Rd
Shanghai
China
TEL: 86 21 32181071
FAX: 86 21 32181396
Pulse South Asia
150 Kampong Ampat
#07-01/02
KA Centre
Singapore 368324
TEL: 65 6287 8998
FAX: 65 6280 0080
Pulse North Asia
3F-4, No. 81, Sec. 1
Hsin Tai Wu Road
Hsi-Chih
Taipei Hsien
Taiwan
TEL: 886 2 26980228
FAX: 886 2 26980948
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.
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