10/100BASE-T LAN MAGNETICS
Quad Transformer Modules
•
Quad, four-port designs provide excellent EMI and
common mode noise suppression
Low profile, surface mount packaging rated to 225° C
peak IR reflow temperature
•
LM00404
Meets all IEEE 802.3 standards including 350µH with
8mA bias
Minimum interwinding breakdown voltage of 1500 Vrms
Operating temperature 0° to 70° C
•
•
•
ELECTRICAL SPECIFICATIONS AT 25° C
Insertion
Loss
dB max
Common to
Differential
Mode
Rejection
dB min
60MHz
to
80MHz
-12
Common to
Common
Mode
Rejection
dB min
Turns Ratio
Part Number
Return Loss
dB min
Crosstalk
dB min
TX
RX
100kHz to
100MHz
100kHz to
30MHz
30MHz to
60MHz
18 - 13log
(f/30MHz)
18 - 13log
(f/30MHz)
18 - 13log
(f/30MHz)
100kHz to 100MHz
1MHz
30MHz
60MHz
100MHz
S558-5999-E4
2CT : 1
1:1
-1.0
-18
40
30
-65
-55
-45
-35
S558-5999-J0
2CT : 1CT
1:1
-1.0
-18
-12
40
30
-65
-55
-45
-35
S558-5999-77
1.23CT : 1CT
1:1
1.0
-18
-12
40
30
-65
-55
-45
-35
SCHEMATICS
S558-5999-E4
Quad Port Single Row RJ-45
TD1+ 1
TCT1 2
TD1- 3
RD1+ 4
RD1+ 5
TD2+ 6
TCT2 7
TD2- 8
RD2+ 9
RD2- 10
TD3+ 11
TCT3 12
TD3- 13
RD3+14
RD3- 15
TD4+ 16
TCT4 17
TD4- 18
RD4+19
RD4- 20
1:1
2CT : 1
1:1
2CT : 1
1:1
2CT : 1
1:1
2CT : 1
40 TX1+
38 TX1-
37 RX1+
36 RX1-
35 TX2+
33 TX2-
32 RX2+
31 RX2-
30 TX3+
28 TX3-
27 RX3+
26 RX3-
25 TX4+
23 TX4-
22 RX4+
RD4+ 20
21 RX4+
©2001Bel Fuse Inc. Specifications subject to change without notice. 09.01
S558-5999-J0
Quad Port Dual Stack RJ-45
TD1- 1
TD1+ 2
TCT1 3
RD1- 4
RD1+ 5
TD2- 6
TD2+ 7
TCT2 8
RD2- 9
RD2+ 10
TD3- 11
TD3+ 12
TCT3 13
RD3- 14
RD3+ 15
TD4- 16
TD4+ 17
TCT4 18
RD4- 19
1:1
29 RX3-
28 TCMT3
27 TX3+
2CT : 1CT
1:1
34 TX2+
33 TCMT2
32 RX2-
31 RX2+
30 RX3+
1:1
39 RX1-
38 TCMT1
37 TX1+
36 TX1-
35 TX2-
2CT : 1CT
40 RX1+
2CT : 1CT
26 TX3-
2CT : 1CT
25 TX4-
24 TX4+
23 TCMT4
22 RX4-
1:1
21 RX4-
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
L4-11
10/100BASE-T LAN MAGNETICS
LM00404
Quad Transformer Modules
SCHEMATICS
S558-5999-77
TX1
1
2
3
4
RX1
5
6
7
8
9
RX2
10
11
TX3 12
13
14
RX3
15
16
TX4 17
18
19
RX4
20
21
1.23CT : 1CT
26
25
24
23
22
1.23CT : 1CT
31
30
29
28
27
1.23CT : 1CT
36
35
34
33
32
1.23CT : 1CT
40
39
38
37
1:1
TX2
1:1
1:1
1:1
MECHANICAL
0.070
[1.78]
ref
1.100
[27.94]
max
0.050 [1.27]
S558-5999-77
S558-5999-E4
S558-5999-J0
0.480
[12.19]
0.645
[16.38]
0.070
[1.78]
R 0.015
[0.39]
R 0.005
[0.13]
0.004 [0.10]
0.050 [1.27]
0.020 ±0.002
[0.51 ±0.05]
0.225
[5.72]
max
0.030 [0.77]
Suggested PCB Pad Layout
0.212
[5.38]
ref
0.950
[24.13]
0.035
[0.89]
0.600
[15.24]
0.005
[0.13]
min
0˚- 5˚
Dimensions are in inches [millimeters].
Standard dimension tolerance is ±0.005 [0.13] unless otherwise noted.
©2001 Bel Fuse Inc. Specifications subject to change without notice. 09.01
CORPORATE
Bel Fuse Inc.
206 Van Vorst Street
Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
FAR EAST
Bel Fuse Ltd.
8F / 8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel 852-2328-5515
Fax 852-2352-3706
www.belfuse.com
EUROPE
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Suite G7, Preston
Lancashire, PR1 8UD, U.K.
Tel 44-1772-556601
Fax 44-1772-888366
www.belfuse.com
L4-12
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