10/100BASE-T LAN MAGNETICS
Mini PCI Transformer Module
LM00415
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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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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
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ELECTRICAL SPECIFICATIONS AT 25° C
Insertion
Loss
dB max
1MHz to
100MHz
-1.0
Turns Ratio
Part Number
TX
RX
Return Loss
dB min
Crosstalk
dB min
Common to Differential Mode Rejection
dB min
30MHz
60MHz
80MHz
1MHz to
100MHz
-35
30MHz
50MHz
100MHz
150MHz
S558-5999-U1
1CT : 1CT
1CT : 1CT
-18
-14
-12
-40
-40
-30
-20
SCHEMATIC
S558-5999-U1
Auto MDIX
RD+ 1
1CT : 1CT
16 RX+
RD- 2
RDCT 3
TDCT 6
TD+ 7
1CT : 1CT
15 RX-
14 RXCT
11 TXCT
10 TX+
TD- 8
9 TX-
©2002 Bel Fuse Inc. Specifications subject to change without notice. 06.02
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
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BEL [ BEL FUSE INC. ]
