ETC B2205

ADSL LINE TRANSFORMERS
For Use With Texas Instruments’ Chipsets
Matched to Texas Instruments’ AC5 chipset
Excellent THD performance in a small footprint
Designed to meet UL1950 and EN60950 for supplementary
insulation requirements for working voltages up to 250 Vrms
Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C
Part
Number
Mounting
Application
B2205
SMT
BX2375
SMT
CO
CO; ADSL
over ISDN
Turns Ratio
Interwinding Capacitance
@ 100 kHz, 0.1 Vrms
OCL
(1-4) with (2-3) short
1:1.9 ± 2%
15 pf MAX
400 µH ± 5% @ 0.1 V, 100 kHz
Leakage Inductance
@ 100 kHz, 0.1 V
(1-4) with (2-3), (6-7) & (5-8) short
7.5 µH MAX
1:1.9 ± 3%
22 pf MAX
92.5 µH ± 5% @ 0.1 V, 10 kHz
3.2 µH MAX
Additional Electrical Specifications
Part
Number
DC Resistance
Line Side
Chip Side
(1-4) with (2-3) short
(5-8) with (6-7) short
THD
( 100 kHz, 5.3 Vrms)
B2205
BX2375
£
£
-80 dB
-80 dB
£
£
1.00 W MAX
0.65 W MAX
£
£
Isolation Voltage
(Vrms)
1.00 W MAX
0.37 W MAX
Longitudinal Balance
@ 100 kHz
1500
1500
£
£
-60 dB
-60 dB
NOTE: Transformers are shipped in trays unless Tape & Reel packaging is specified by adding the suffix “T” to the part number (i.e. B2205T).
Mechanical
Schematic
.475
12,07 MAX
.420 .620
10,67 15,75
.600
15,24 MAX
B2205
Date Code
Country of Mfg.
.098
2,50
.050
1,27
.295
7,49
1.9:1
1
8
3
2
6
7
4
5
SUGGESTED PAD LAYOUT
.008
0,20
.098
3X
2,50
.450
11,43 MAX
Weight . . . . . . . . . . . . . .3.4 grams
Tray . . . . . . . . . . . . . . . . . .75/tray
8X 0°– 8°
.024
0,61
.006/0,15
8 SURFACES
.295
7,49
8 X .041 ± .006
1,04 ± 0,15
Dimensions: Inches
mm
Unless otherwise specified,
all tolerances are ± .010
0,25
For More Information :
UNITED STATES
(Worldwide)
UNITED KINGDOM
(Northern Europe)
FRANCE
(Southern Europe)
SINGAPORE
(Southern Asia)
TAIWAN, R.O.C.
(Northern Asia)
HONG KONG
(China/Hong Kong)
12220 World Trade Drive
San Diego, CA 92128
U.S.A.
http://www.pulseeng.com
TEL: 858 674 8100
FAX: 858 674 8262
1 & 2 Huxley Road
The Surrey Research Park
Guildford, Surrey GU2 5RE
United Kingdom
TEL: 44 1483 401700
FAX: 44 1483 401701
Zone Industrielle
F-39270
Orgelet
France
TEL: 33 3 84 35 04 04
FAX: 33 3 84 25 46 41
150 Kampong Ampat
#07-01/02
KA Centre
Singapore 368324
TEL: 65 287 8998
FAX: 65 280 0080
3F-4, No. 81, Sec. 1
HsinTai Wu Road
Hsi-Chih, Taipei Hsien
Taiwan, R.O.C.
Tel: 886 2 2698 0228
FAX: 886 2 2698 0948
19/F, China United Plaza
1008 Tai Nan West Street
Cheung Sha Wan, Kowloon
Hong Kong, China
TEL: 852 2788 6588
FAX: 852 2776 1055
DISTRIBUTOR
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.
Printed on recycled paper. ©2002, Pulse Engineering, Inc.
B985.A (3/02)