10/100 BASE-TX DUAL
PORT TRANSFORMER
MODULES
Electrical Specifications at 25
o
C
Part
Number
Insertion
Insertion Loss
(dB TYP)
0.1-100 MHz
T-16300
T-16301
T-16302
T-16303
T-16304
-0.5
-0.5
-0.5
-0.5
-1.2
Return Loss
(dB MIN)
Crosstalk
(dB TYP)
FOR USE WITH TRANSCEIVERS
REQUIRING 1 : 1 TRANSMIT AND
RECEIVE TURNS RATIOS
Common to Common
Rejection Ratio
0.1-60 MHz (dB TYP)
Differential
Common Mode
Rejection (dB TYP)
1-60MHz
-40
-53
-45
-45
-37
60-200MHz
-30
-40
-35
-35
-33
2-30MHz 40MHz 50MHz 60-80MHz 1MHz 30MHz 60MHz 100MHz Transmit Receive
-21
-21
-21
-21
-16
-17
-17
-17
-17
-14
-14.5
-14.5
-14.5
-14.5
-13.0
-12
-12
-12
-12
-12
-65
-65
-65
-65
-50
-55
-55
-55
-55
-45
-45
-45
-45
-45
-40
-35
-35
-35
-35
-35
-30
-45
-40
-40
- 40
-30
-30
-30
-30
-30
;
;
;
Compliant with IEEE 802.3u and ANSI X3.263
standards including 350
µH
OCL with 8 mA bias
IC grade transfer-molded package withstands 25
o
C
peak temperature profile
Modules designed to support two RJ-45 connectors
PHYSICAL DIMENSIONS
inches (mm)
Tape & Reel
Available
1.120
(28.45)
MAX.
.485
(12.32)
MAX.
.230
(5.84)
MAX.
.016
(0.41)
TYP.
.050
(1.27)
TYP.
.010
(0.25)
TYP.
.045
(1.14)
TYP.
.010
(0.25)
TYP.
.640 (16.26)
.620 (15.75)
100-DP40
Rhombus
Industries Inc.
Transformers & Magnetic Products
15801 Chemical Lane, Huntington Beach, CA 92649
Phone: (714) 898-0960
FAX: (714) 896-0971
www.rhombus-ind.com
RX1+
CMT1
TX1+
RX2+
RX1-
TX2+
TX1-
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
RX2-
TX2-
CT1
CT2
T-16300 & T-16304
1:1
1:1
1:1
1:1
T-16304 includes the shunt
choke
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
TCT2
TD1+
RD1+
RCT1
RD2+
RCT2
CMT2
TCT1
TD2+
RD1-
CMT1
RX1+
TX1+
RX2+
TD2-
RD2-
TX2+
RX1-
TD1-
RX2-
TX1-
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24
23
22 21
TX2-
CT1
CT2
T-16301 & T-16302
1:1
1:1
1:1
1:1
1
2
3
4
5
6
7
8
9 10
11
12 13 14
15 16
17 18 19 20
T-16301 has input common mode choke on pins 6-7
and pins 19-20.
T-16302 does not have the additional choke.
RCT1
RD1+
RCT2
TCT1
RD2+
TCT2
TD1+
TD2+
TX2-
RD1-
RD2-
TX1+
CMT1
TD1-
RX1+
RX1-
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
CT1
CMT2
RX2+
TX1-
CT2
RX2-
TX2+
TD2-
T-16303
1:1
1:1
1:1
1:1
1
2
RD1+
3
RCT1
4
RD1-
5
6
TD1+
7
TC1
8
TD1-
9 10 11 12 13 14 15 16 17 18 19 20
TCT2
RD2-
RD2+
TD2+
TCT2
TD2-
Rhombus
Industries Inc.
Transformers & Magnetic Products
15801 Chemical Lane, Huntington Beach, CA 92649
Phone: (714) 898-0960
FAX: (714) 896-0971