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
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6
7
8
16
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9
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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 µH 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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