Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
10/100BASE-T LAN MAGNETICS
2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02
LM00414
Extended Temperature Quad Transformer Modules
ELECTRICAL SPECIFICATIONS AT 25 C
Quad, four-port designs optimize board layout for single
row and dual stack RJ-45 connectors
Tested for use with multiple 10/100 Mbps and 100 Mbps
PHY transceivers requiring 1CT : 1CT TX and 1 : 1 RX
transformers
Operating temperature -40 to +85 C
Meets all IEEE 802.3 standards including 350H with
8mA DC bias
Low profile, surface mount packaging rated to 225 C
peak IR reflow temperature
Minimum interwinding breakdown voltage of 1500 Vrms
page 1
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Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02
LM00414
10/100BASE-T LAN MAGNETICS
Extended Temperature Quad Transformer Modules
SCHEMATIC
S558-5999-Z3
(Quad Port Dual Stack RJ-45)
page 2
1 : 1
1CT : 1CT
1CT : 1CT
1 : 1
1 : 1
1 : 1
1CT : 1CT
1CT : 1CT
1
2
3
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7
8
9
10
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RD1+
RD1-
TCT1
TD1+
TD1-
TD2-
TD2+
TCT2
RD2-
RD2+
RD3+
RD3-
TCT3
TD3+
TD3-
TD4-
TD4+
TCT4
RD4-
RD4+
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
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22
21
RX1+
RX1-
TCMT1
TX1+
TX1-
TX2-
TX2+
TCMT2
RX2-
RX2+
RX3+
RX3-
TCMT3
TX3+
TX3-
TX4-
TX4+
TCMT4
RX4-
RX4+
1CT : 1CT
1
2
3
1CT : 1CT
1CT : 1CT
1CT : 1CT
4
5
6
7
8
9
10
11
12
13
14
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21
22
23
24
25
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30
31
32
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38
39
40
TD4+
RD4+
CTVD3
RD2+
TD1-
CTVD4
TD4-
RD4-
RD3-
RD3+
TD3+
TD3-
TD2-
TD2+
CTVD2
RD2-
RD1-
RD1+
CTVD1
TD1+
TX4+
RX4+
RX3+
RX2+
TX1-
CTCG4
TX4-
RX4-
RX3-
CTCG3
TX3+
TX3-
TX2-
TX2+
CTCG2
RX2-
RX1-
CTCG1
RX1+
TX1+
1CT : 1CT
1CT : 1CT
1CT : 1CT
S558-5999-AA
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
10/100BASE-T LAN MAGNETICS
2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02
LM00414
Extended Temperature Quad Transformer Modules
SCHEMATIC
S558-5999-Z4
page 3
1 : 1
1 : 1
1 : 1
1 : 1
1 : 1
1 : 1
1 : 1
1 : 1
1
2
3
4
5
6
7
8
9
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RX1+
RX1-
TX1+
TX1-
RX2+
RX2-
TX2+
TX2-
RX3+
RX3-
TX3-
RX4+
RX4-
TX4+
TX4-
RD4+
RD4-
TD4+
TD4-
RD3+
RD3-
TD3+
TD3-
RD2+
RD2-
TD2+
TD2-
RD1+
RD1-
TD1+
TD1-
TX3+
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
2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02
LM00414
10/100BASE-T LAN MAGNETICS
Extended Temperature Quad Transformer Modules
MECHANICALS
S558-5999-AA
S558-5999-Z3
0.480
[12.19]
0.070
[1.78]
ref
1.100
[27.94]
max
0.050 [1.27]
0.950
[24.13]
0.212
[5.38]
ref
0.225
[5.72]
max
0.035
[0.89]
0.005
[0.13]
min
0- 5
0.020 0.002
[0.51 0.05]
R 0.005
[0.13]
R 0.015
[0.39]
0.070
[1.78]
0.050 [1.27]
0.030 [0.77]
0.645
[16.38]
Suggested PCB Pad Layout
Dimensions are in inches [millimeters].
Standard dimension tolerance is 0.005 [0.13] unless otherwise noted.
0.600
[15.24]
0.004 [0.10]
page 4
S558-5999-Z4
0.480
[12.19]
0.070
[1.78]
ref
1.100
[27.94]
max
0.050
[1.27]
0.950
[24.13]
0.265
[6.73]
ref
0.035
[0.89]
0.005 [0.13]
min
0 - 5
0.020 +0.002
[0.51 +0.05]
R 0.005
[R0.13]
R 0.015
[R0.38]
0.070
[1.78]
0.050 [1.27]
0.030 [0.76]
0.645
[16.38]
Suggested PCB Pad Layout
Dimensions are in inches [millimeters].
Standard dimension tolerance is 0.005 [0.13] unless otherwise noted.
0.600
[15.24]
0.004 [0.10]
0.285 0.010
[7.24 0.25]
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