T-15202 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – 100 BASE-T4 TRANSFORMERS

100 BASE-T4
TRANSFORMERS
Designed to provide isolation and impedance matching for 4
twisted pairs in a 100 Mbps Transmission over UTP-3 Cable.
IEEE 802.3 Compatible
Designed for popular 100Base-T4 transceiver chips _{Common Mode Choke available for improved EMI performance}
Electrical Specifications at 25^o C
Designed for
use with
Transceiver I.C.
SEEQ 80C240P
Cypress CY7C971
Quad SMD Dual SMD
24-Pin
16-Pin
Part. No. Part. No.
T-15202
T-15203
T-15200S
T-15201S
Turns
Ratio
+3%
1:2CT
2CT:1CT
OCL
Min.
( µH )
350
350
L_L
max.
( µH )
1.0
1.0
DCR_P
max.
(Ω)
0.5
1.0
C_w/w
max.
( pF )
14
10
Isolation
(V_RMS)
1500
1500
Tape & Reel
Available
T-15202 Schematic Diagram
PRI
PRI
PRI
PRI
24 23 22 21 20 19 18 17 16 15 14 13
24-Pin SMD Package: T-15202, T-15203
Dimensions in Inches (mm)
0.700
(17.78)
MAX.
.526
(13.35)
123456
SEC
SEC
7 8 9 10 11 12
SEC
SEC
T-15203 Schematic Diagram
PRI
PRI
PRI
PRI
24 23 22 21 20 19 18 17 16 15 14 13
.016
(0.41)
TYP.
.050
(1.27)
TYP.
.296
(7.52)
MAX.
.015
(0.38)
TYP.
.035
(0.89)
TYP.
.645 (16.39)
.622 (15.80)
.010
(0.25)
TYP.
123456
SEC
SEC
7 8 9 10 11 12
SEC
SEC
T-15200S Schematic Diagram
PRI
PRI
16 15 14 13 12 11 10 9
T-15201S Schematic Diagram
PRI
PRI
16 15 14 13 12 11 10 9
123456 78
SEC
SEC
123456 78
SEC
SEC
24-Pin DIP Package: T-15200S & T-15201S
Dimensions in Inches (mm)
.505
(12.83)
MAX.
.205
(5.21)
MAX.
.016
(0.41)
TYP.
.050
(1.27)
TYP.
.015
(0.38)
TYP.
.285
(7.24)
MAX.
.025
(0.64)
TYP.
.380 (9.65)
.360 (9.14)
.010
(0.25)
TYP.
100 BASE-T4
COMMON MODE
CHOKE
Electrical Specifications at 25^o C
Part
Number
Turns
Ratio
+3%
OCL
Min.
( µH )
L_L
max.
( µH )
DCR_P
max.
(Ω)
F-1515
1 :1
36
0.2
0.35
F-1515: 16-Pin SMD package
per T-15200S above.
Impedance
Ω (Min.)
2000 @ 30 Mhz
1500 @ 50 Mhz
1000 @ 70 Mhz
C_w/w
max.
( pF )
15
Isolation
(V_RMS)
500
F-1515
Schematic
Diagram
4000
3000
Typical
2000
1000
Minimum
0
10
20
40 60 80 100
Frequency ( MHz )
200 300
)RU FRPSOHWH GHWDLOV LQFOXGLQJ GRZQORDGDEOH
3') FDWDORJV DQG GDWD VKHHWV SOHDVH YLVLW
ZZZUKRPEXVLQGFRP
Specifications subject to change without notice.
Rhombus
Industries Inc.
For other values & Custom Designs, contact factory.
100BAST2 - 2/02
15801 Chemical Lane, Huntington Beach, CA 92649-1595
www.rhombus-ind.com
Tel: [phone] • Fax: [phone]