ADSL LINE TRANSFORMER
For Use with Texas Instruments Chipset
Matched to Texas Instruments TNETD4500C
CO chipsets
Designed to meet IEC950 supplementary insulation
requirements for working voltages up to 250 Vrms
Excellent THD Performance
Industry standard surface mount footprint
Electrical Specifications @ 25°C — Operating Temperature -40°C to 85°C
Turns Ratio
Ratio
(Line:Chip)
OCL
Primary
(µH 6ꢀ)
Leakage
Inductance
(µH MAX)
DCR Primary
(1-3 & 2-4)
(Ω MAX)
DCR Secondary
(10-8 & 9-7)
(Ω MAX)
Isolation
Voltage
(Vrms)
THD @ 100kHz,
5.0 Vp-p
Part
Number
(dB MIN)
B2243 1
B2133 2
2 : 1
400
5.0
0.5
0.3
1500
-80
-80
2 : 1
75
5.0
0.5
0.3
1500
NOTE: Optional Tape & Reel packaging can be ordered for either part by adding a "T" suffix to the part number (ex: B2243T).
1 B2243 is designed for ADSL over POTS applications where THS6012/72 Line Drivers and Active termination is used.
2 B2133 is designed for ADSL over ISDN applications where THS6012/72 Line Drivers and Active termination is used.
Mechanical
Schematic
B2243/B2133
1
10
.605
15,37
.028 ± .002
0,71 ± 0,05
10 X
.695
17,65
3
2
8
9
.100
2,54
MAX
.530
13,46
MAX
.394
.394
7
4
10,00
B2243/B2133
Date Code
.098
2,50
10,00
B2243
B2133
MAX
Country of Origin
1
4
10
7
.098
2,50
.051 ± .002
1,30 ± 0,05
10 X
.516
MAX
13,11
.354
8,99
MAX
.485
12,32
MAX
.475
12,07
MAX
Weight . . . . . . . . . . . . . .6.2 grams
Tape and Reel . . . . . . . . .150/reel
Tray . . . . . . . . . . . . . . . . . .60/tray
.005/0,13
10 SURFACES
Inches
mm
Dimensions:
.031
0,79
±
±
.006
0,15
10X 0° 8°
10X
Unless otherwise specified,
.010
0,25
all tolerances are
For More Information :
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Printed on recycled paper. ©2003, Pulse Engineering, Inc.
B823.A (5/03)