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. 06.02
LM00415
Mini PCI Transformer Module
ELECTRICAL SPECIFICATIONS AT 25 C
SCHEMATIC
S558-5999-U1
Auto MDIX
page 1
2
1
6
7
8
16
14
9
10
11
15
TX+
RX+
1CT : 1CT
3
1CT : 1CT
RD+
RD-
RDCT
TDCT
TD+
TD-
RX-
RXCT
TXCT
TX-
Meets all IEEE 802.3 standards including 350 H OCL
with 8mA bias
IR reflow rating at 225 C peak
UL 1950 file number E169987
CB certificate number 16017
Operating temperature 0 to 70 C
Minimum interwinding breakdown voltage of 1500 Vrms
Ultra low profile package height 0.084" (2.13mm)
Designed for use in symmetrical Auto MDIX
TX and RX channels
Other ultra low profile transformer modules available:
S558-5999-L1 package height 0.078" (1.98mm)
S558-5999-L5 package height 0.084" (2.13mm)
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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
10/100BASE-T LAN MAGNETICS
2002 Bel Fuse Inc. Specifications subject to change without notice. 06.02
LM00415
Mini PCI Transformer Module
MECHANICAL
S558-5999-U1
page 2
0.610
[15.49]
max
0.375
[19.52]
max
0.280
[7.11]
0.050
[1.27]
0.084
[2.13]
max
0.350 0.005
[8.89 0.13]
0.020 0.002
[0.51 0.05]
0.068
[1.73]
ref
0.050 [1.27]
0.420
[10.67]
0.025 [0.64]
0.065
[1.65]
0.032 [0.81]
R0.005
[R0.13] typ
0- 5
Suggested PCB Pad Layout
0.002
[0.05]
min
Dimensions are inches [millimeters].
Standard dimension tolerance is 0.005 [0.13] unless otherwise noted.
0.004 [0.10]
R0.005
[R0.13] typ
Note:
Other ultra low profile transformer modules available:
S558-5999-L1 package height 0.078" (1.98mm)
S558-5999-L5 package height 0.084" (2.13mm)
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