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F-1515 Datasheet(PDF) 1 Page - Rhombus Industries Inc.

Part No. F-1515
Description  100 BASE-T4 TRANSFORMERS
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Maker  RHOMBUS-IND [Rhombus Industries Inc.]
Homepage  http://www.rhombus-ind.com
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 1 page
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For other values & Custom Designs, contact factory.
Specifications subject to change without notice.
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960 • Fax: (714) 896-0971
Rhombus
Industries Inc.
27
100BASET - 4/99
Turns
OCL
L
L
DCR
P
C
w/w
Part
Ratio
Min.
max.
max.
max.
Isolation
Number
+3%
(
µH )
(
µH )
(
Ω )
( pF )
(V
RMS)
T-15200
1:2CT
350
1.0
0.5
14
1500
T-15201
2CT:1CT
350
1.0
1.0
10
1500
The above parts are avaiable in surface mount versions.
Add suffix "G". See data sheet for dimensions.
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
IEEE 802.3 Compatible
Fast Rise Times
Common Mode Choke available for improved
EMI performance
100 BASE-T4
TRANSFORMERS
Four Transformers per Unit
Electrical Specifications at 25o C
T-15200 Schematic Diagram
T-15200 Schematic Diagram
14
18
711
17
15
10
8
9
16
13
12
20
24
15
23
21
4
2
3
22
19
6
PRI
PRI
PRI
PRI
SEC
SEC
SEC
SEC
14
18
711
17
15
10
8
9
16
13
12
20
24
15
23
21
4
2
3
22
19
6
PRI
PRI
PRI
PRI
SEC
SEC
SEC
SEC
T-15200
: Designed for
use with SEEQ 80C240P
T-15201
: Designed for
use with Cypress CY7C971
Physical
Dimensions
inches (mm)
SMD versions
available on
Tape & Reel
1.280
(32.51)
MAX.
.295
(7.49)
MAX.
.020
(0.51)
TYP.
.120
(3.05)
MIN.
.100
(2.54)
TYP.
.040
(1.02)
TYP.
.018
(0.46)
TYP.
.300
(7.62)
.285
(7.24)
MAX.
.008 R
(0.20)
.365
(9.27)
MAX.
.010
(0.25)
TYP.
Turns
OCL
L
L
DCR
P
C
w/w
Part
Ratio
Min.
max.
max.
max.
Isolation
Number
+3%
(
µH )
(
µH )
(
Ω )
( pF )
(V
RMS)
F-1515
1 :1
36
0.2
0.35
15
500
Electrical Specifications at 25o C
Impedance
Ω (Min.)
2000 @ 30 Mhz
1500 @ 50 Mhz
1000 @ 70 Mhz
100 BASE-T4
COMMON MODE
CHOKE
10
20
40
60
80 100
1000
2000
3000
4000
Frequency ( MHz )
200
300
0
Typical
Minimum
.015
(0.38)
TYP.
.505
(12.83)
MAX.
.016
(0.41)
TYP.
.205
(5.21)
MAX.
.360 (9.14)
.380 (9.65)
.285
(7.24)
MAX.
.025
(0.64)
TYP.
.050
(1.27)
TYP.
.010
(0.25)
TYP.
Dimensions in Inches (mm)
F-1515
Schematic Diagram




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