Document
T3/DS3/E3/STS-1 TRANSFORMERS
Eight Transformers Designed for T3, DS3, E3 and STS-1 Interface
Eight transformers in a surface mount package
Models matched to leading transceiver ICs
Return loss meets requirements of G.703
Recognized by UL1950 (some parts pending approval)
Isolation voltage: 1500Vrms
Electrical Specifications @ 25°C
RoHS-5
RoHS-6
Turns Ratio OCL Primary
Compliant PN# Compliant PN# (Pri:Sec ±2%) @ 25°C (µH MIN)
T3048
T3048NL
1:1
40
LL CW/W (µH MAX) (pF MAX)
.150 10
Isolation Voltage (Vrms MIN)
1500
Package/ Schematic
YB/1
Primary Pins
1-2, 3-4, 5-6, 7-8 9-10, 11-12, 13-14, 15-16
T3049
T3049NL
1:2
19
.150 10
1500
YB/1
1-2, 3-4, 5-6, 7-8 9-10, 11-12, 13-14, 15-16
TX3047*
TX3047NL*
1:1
100 .150 10
1500
YB/1
1-2, 3-4, 5-6, 7-8 9-10, 11-12, 13-14, 15-16
TX3045*
TX3045NL* 1:1 & 1:2
100 & 40
.120
10
1500
YB/1
1-2, 5-6, 9-10, 13-14 & 3-4, 7-8, 11-12, 15-16
*NOTE: Operating Temperature Range: -40°C to +85°C. For Tape & Reel packaging, add a “T” suffix to the part number when ordering (e.g. T3048 becomes T3048T, and T3048NL becomes T3048NLT).
YB
1.000 25,40
MAX
15X
.050 1,27
Mechanical
Schematic
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
1
Part Number Date Code Country of Origin U.S. Pat. 5015981
.425 10,80
±
.005 0,13
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
32X
.018 0,46
.750 19,05
.280 7,11
4 X 3°
0° 8°
.004/0,10 32 SURFACES
32X
.035 0,89
For More Information:
.310 7,87
2 X 10°
.295 7,49
MAX
2 X 15° .115 2,92
32X
.100 2,54
.780 19,81
32X
.030 0,76
.465 11,81
.050 1,27
TYP
SUGGESTED PAD LAYOUT
Weight . . . . . . . . . . . . . .2.7 grams Tape & Reel . . . . . . . . . . . .200/reel Tube . . . . . . . . . . . . . . . . . .20/tube
Dimensions: Inches mm
Unless otherwise specified, all tolerances are ± .010
0,25
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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.
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T663.B (9/06)
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