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S558-5999-U1 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – 10/100BASE-T LAN MAGNETICS
10/100BASE-T LAN MAGNETICS
Mini PCI Transformer Module
LM00415
• 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)
• 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
ELECTRICAL SPECIFICATIONS AT 25° C
Part Number
Turns Ratio
TX
RX
Insertion
Loss
dB max
Return Loss
dB min
Crosstalk
dB min
Common to Differential Mode Rejection
dB min
1MHz to
100MHz
30MHz 60MHz 80MHz
1MHz to
100MHz
30MHz 50MHz 100MHz 150MHz
S558-5999-U1 1CT : 1CT 1CT : 1CT
-1.0
-18
-14
-12
-35
-40
-40
-30
-20
SCHEMATIC
RD+ 1
S558-5999-U1
Auto MDIX
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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