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T-15200 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – 100 BASE-T4 TRANSFORMERS
100 BASE-T4
TRANSFORMERS
Four Transformers per Unit
Designed to provide isolation and impedance
matching for 4 twisted pairs in a 100 Mbps
Transmission over UTP-3 Cable.
Designed for popular 100Base-T4 transiever chips
Electrical Specifications at 25o C
Part
Number
Turns
Ratio
+3%
OCL
Min.
( µH )
T-15200
1:2CT
350
T-15201 2CT:1CT 350
LL
max.
( µH )
1.0
1.0
DCRP
max.
(Ω)
0.5
1.0
Cw/w
max.
( pF )
14
10
Isolation
(V )
RMS
1500
1500
IEEE 802.3 Compatible
Fast Rise Times
Common Mode Choke available for improved
EMI performance
The above parts are avaiable in surface mount versions.
Add suffix "G". See data sheet for dimensions.
T-15200 : Designed for
use with SEEQ 80C240P
T-15200 Schematic Diagram
PRI
PRI
24 23 22 21 20 19
PRI
PRI
18 17 16 15 14 13
T-15200 Schematic Diagram
PRI
PRI
PRI
PRI
24 23 22 21 20 19 18 17 16 15 14 13
T-15201 : Designed for
use with Cypress CY7C971
Physical
Dimensions
inches (mm)
SMD versions
available on
Tape & Reel
123
SEC
456
SEC
7 8 9 10 11 12
SEC
SEC
1.280
(32.51)
MAX.
123
SEC
456
SEC
7 8 9 10 11 12
SEC
SEC
.285
(7.24)
MAX.
.020 .295
(0.51) (7.49)
TYP. MAX.
.018
(0.46)
TYP.
.040
(1.02)
TYP.
.100
(2.54)
TYP.
.120
(3.05)
MIN.
.300
(7.62)
.365
(9.27)
MAX.
.008 R
(0.20)
.010
(0.25)
TYP.
100 BASE-T4
COMMON MODE
4000
3000
Typical
CHOKE
2000
Electrical Specifications at 25o C
Part
Number
Turns
Ratio
+3%
OCL
Min.
( µH )
F-1515
1 :1
36
L
L
max.
( µH )
0.2
DCR
P
max.
(Ω)
0.35
C
w/w
max.
( pF )
15
Isolation
(V )
RMS
500
1000
0
10
Minimum
20
40 60 80 100
Frequency ( MHz )
200 300
Impedance
Ω (Min.)
2000 @ 30 Mhz
F-1515
Schematic Diagram
Dimensions in Inches (mm)
.505
(12.83)
MAX.
.285
(7.24)
MAX.
1500 @ 50 Mhz
1000 @ 70 Mhz
.205
(5.21)
MAX.
.016
(0.41)
TYP.
.050
(1.27)
TYP.
.015
(0.38)
TYP.
.025
(0.64)
TYP.
.380 (9.65)
.360 (9.14)
.010
(0.25)
TYP.
Specifications subject to change without notice.
Rhombus
Industries Inc.
For other values & Custom Designs, contact factory.
100BASET - 4/99
15801 Chemical Lane, Huntington Beach, CA 92649-1595
27
Tel: (714) 898-0960 • Fax: (714) 896-0971