10 BASE-T QUAD PORT TRANSFORMER
Fast Rise Times
Meets ECMA Requirements
IEEE 802.3 Compatible
Operating temperature Range
-45
o
C to +85
o
C
Electrical Specifications at 25
o
C
Sine Wave
Part
Turns Ratio Inductance
Number
(+2%)
(µH MIN)
1
Transmit
T-17404
1CT : 2CT
180
Interwinding
Capacitance
(pF MAX)
1
Leakage
Inductance
(µH MAX)
1
Return Loss
5 to 10mHz
(dB MIN)
100
Ω
98+13Ω
-15
Common Mode Rejection
TX (dB MIN)
5
mHz
-50
10
50 100
mHZ mHZ mHz
-40
-30
-20
200
mHz
-14
Hipot
(VRMS MIN)
10
0.30
-20
1500
1. Measured at 20 mVrms, 100 kHz.
Insertion Loss
: Typically -0.5 dB maximum from 1 to 10 mHz.
Crosstalk
: From 1 to 10 mHz is -35 dB minimum.
Schematic Diagram
40
39 38 37 36 35 34 33 32
31 30
29
28 27 26 25 24 23
22
21
1CT:2CT
1CT:2CT
1CT:2CT
1CT:2CT
1:1
1:1
1:1
1
2
RX
3 4 5
TX
6 7 8
TX
9
RX
10
11
20
12 13 14 15 16 17 18 19
TX
RX
RX
TX
Dimensions in inches (mm)
1.120
(28.45)
MAX.
.485
(12.32)
MAX.
.230
(5.84)
MAX.
1:1
.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)
RHOMBUS P/N:
T-17404
CUST P/N:
NAME:
DATE:
02/16/00
SHEET:
1 OF 1
Rhombus
Industries Inc.
Transformers & Magnetic Products
www.rhombus-ind.com
15801 Chemical Lane, Huntington Beach, CA 92649
Phone: (714) 898-0960
FAX: (714) 896-0971
RHOMBUS-IND [ Rhombus Industries Inc. ]
