100 BASE-T / FAST ETHERNET
DUAL TRANSFORMERS
Part
Number
TurnsRatio
Transmit Receive
T-15500
T-15501
T-15502
1.41CT:1CT 1CT:1CT
2CT:1CT 1CT:1CT
1.25CT:1CT 1CT:1CT
Designed for 100 Base-X and Twisted Pair FDDI
Supports 155Mbps ATM applications over UTP-5 cable
Dual Module (Transmit and Receive channels)
IEEE 802.3 Compatible
Electrical Specifications at 25o C
OCL (100KHz & 100 mVRMS @8mA) ....................... 350 µH Min.
LeakageInductance .............................................. 0.40 µH Max.
C
W/W ......................................................................... 20 pF Nom.
DCR .......................................................................... 0.9 Ω Max.
RiseTime ................................................................ 2.5 ns Nom.
Cross Talk (0.1-100MHz) ......................................... -38 dB Min.
CMR(0.1-100MHz) ................................................. -40 dB Nom.
Isolation ............................................................... 1500 VRMS Min.
Low common mode emisions
Fast Rise Times
Available on
Tape & Reel
Schematic
1
3
2
7
5
6
Physical Dimensions in inches (mm)
(Unused Pins Omitted)
TX
RX
.900
(22.86)
MAX.
.410
(10.41)
MAX.
.260
(6.60)
MAX.
.300
(7.62)
MAX.
10
11
12
16
14
15
.010
(0.25)
TYP.
.040
(1.02)
TYP.
.020
.100
(2.54)
TYP.
(0.51)
.510 (12.95)
.480 (12.19)
TYP.
Part
Number
Turns
Ratio
Part
Number
Turns
Ratio
100 BASE-T / FAST ETHERNET
SINGLE TRANSFORMERS
T-15525
T-15526
1CT:1CT
T-15527
T-15528
2CT:1CT
1.41CT:1CT
1.25CT:1CT
Electrical Specifications at 25o C
Designed for 100 Base-X and Twisted Pair FDDI
Supports 155Mbps ATM applications over UTP-5 cable
Supports either transmit or receive channels
IEEE 802.3 Compatible
OCL (100KHz & 100 mVRMS @8mA) ....................... 350 µH Min.
LeakageInductance .............................................. 0.40 µH Max.
C
W/W ........................................................................... 0 pF Nom.
DCR .......................................................................... 0.9 Ω Max.
RiseTime ................................................................ 2.5 ns Nom.
Cross Talk (0.1-100MHz) ......................................... -38 dB Min.
CMR(0.1-100MHz) ................................................. -40 dB Nom.
Isolation ............................................................... 1500 VRMS Min.
Low common mode emisions
Available on
Tape & Reel
Fast Rise Times
DimensionsinInches(mm)
.505
(12.83)
MAX.
.285
(7.24)
MAX.
Schematic
16
15
1
8
.205
(5.21)
MAX.
10
9
.010
(0.25)
TYP.
.025
(0.64)
TYP.
.015
(0.38)
TYP.
.050
(1.27)
TYP.
.016
(0.41)
TYP.
.380 (9.65)
.360 (9.14)
For other values & Custom Designs, contact factory.
15801ChemicalLane,Huntington Beach,CA 92649-1595
Specifications subject to change without notice.
FASTETHR - 1/99
Rhombus
Industries Inc.
28
•
Tel: (714) 898-0960 Fax: (714) 896-0971