Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
2001 Bel Fuse Inc. Specifications subject to change without notice. 11.01
LM00300
L3-1
GIGABIT ETHERNET MAGNETICS
Single Port Transformer Modules
Designed for use with 10/100/1000Base-T
transceiver ICs
Maximized for full duplex applications
IR reflow rating at 225 C peak
Supports four pairs of category 5 UTP cable
Compliant with IEEE 802.3ab
350H OCL with 8mA bias applied from 0 C to 70 C
ELECTRICAL SPECIFICATIONS AT 25 C
To select part number based on transceiver IC compatability, please contact Bel.
SCHEMATICS
S558-5999-M8
S558-5999-M9
S558-5999-P3
S558-5999-T3
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1CT : 1CT
1CT : 1CT
1CT : 1CT
1CT : 1CT
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
Chip Side
Line Side
1CT : 1CT
1CT : 1CT
1CT : 1CT
1CT : 1CT
12
11
10
9
6
7
8
1
2
4
3
5
13
14
15
16
17
18
19
22
21
20
23
24
Chip Side
Line Side
S558-5999-T4
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
2001 Bel Fuse Inc. Specifications subject to change without notice. 11.01
LM00300
L3-2
GIGABIT ETHERNET MAGNETICS
Single Port Transformer Modules
0.600
[15.24]
0.750
[19.05]
max
0.522
[13.26]
max
0.046 [1.17]
0.016 0.002
[0.41 0.050]
0.039
[0.99]
typ
0.250
[6.35]
max
0.429
[10.90]
0.010
[0.25]
min
2 x 0.075 [1.91]
2 x 0.045 [1.14]
0.004 [0.10]
0- 5
0.025 [0.64]
0.090
[2.29]
R0.005
[R0.13]
R0.005
[R0.13]
0.810
[20.57]
0.039 [0.99]
Dimensions are in inches [millimeters].
Standard dimension tolerance is 0.005 [0.13] unless otherwise noted.
Suggested PCB Pad Layout
MECHANICALS
0.070
[1.78]
ref
0.480
[12.19]
0.050 [1.27]
0.690
[17.53]
0.550
[13.97]
0.035
[0.89]
0.60
[15.24]
0.225 [5.72]
Dimensions are in inches [millimeters].
Standard dimension tolerance is 0.005 [0.13] unless otherwise noted.
0.005
[0.13] min
0- 5
R0.015
[R0.38]
R0.045
[R1.14]
0.004 [0.10]
Suggested PCB Pad Layout
0.645
[16.38]
0.050
[1.27]
0.030
[0.76]
0.070
[1.78]
0.020
[0.51]
0.212
[5.38] ref
S558-5999-M8
S558-5999-M9
S558-5999-P3
S558-5999-T3
S558-5999-T4
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