defining a degree of excellence
HIGH SPEED LAN MAGNETICS
FOR BROADCOM TRANSCEIVER CHIPSETS
• Designed for use with Broadcom BCM 5208 10/100
Mbps PHY transceiver
• Family of parts designed in common package providing
multiple design options, including internal crossovers to
reduce pcb layers and improve performance
960078B
• Dual, 2-port and quad, 4-port designs offer best space,
performance and cost options
• 2000 Vrms isolation
• Low profile, surface mount packaging rated to withstand
225ºC peak IR reflow temperature
ELECTRICALS AT 25ºC
Part No.
Insertion Loss
(dB) Typ
1MHz-125MHz
1MHz-30MHz
Return Loss
(dB) Min
30MHz-60MHz
60MHz-80MHz
Crosstalk
(dB) Min
1MHz-100MHz
Common to Diff
Mode Rej (dB) Min
30MHz 100MHz
Common to Common
Mode Rej (dB) Min
30MHz 100MHz
Schematic
S558-5999-47
S558-5999-A3
S558-5999-A4
S558-5999-A5
S558-5999-A6
S558-5999-A7
S558-5999-A8
S558-5999-A9
-1.0
-1.0
-1.0
-1.0
-1.0
-1.0
-1.0
-1.0
-16
-16
-16
-16
-16
-16
-16
-16
16-20log(f/30MHz)
16-20log(f/30MHz)
16-20log(f/30MHz)
16-20log(f/30MHz)
16-20log(f/30MHz)
16-20log(f/30MHz)
16-20log(f/30MHz)
16-20log(f/30MHz)
-10
-10
-10
-10
-10
-10
-10
-10
-35
-35
-35
-35
-35
-35
-35
-35
-50
-50
-50
-50
-50
-50
-50
-50
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
-30
-30
-30
-30
-30
-30
-30
-30
E
F
A
G
B
H
C
D
SCHEMATICS
A
B
Specifications subject to change without notice.
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302 • Tel: 201-432-0463 • Fax: 201-432-9542 • E-Mail: BelFuse@belfuse.com
Website: http://www.belfuse.com