S558-5999-65_1 Datasheet, PDF (1/4 Pages) Bel Fuse Inc. – 10/100BASE-T LAN MAGNETICS

10/100BASE-T LAN MAGNETICS
Dual Transformer Modules
LM00405
• Dual, two-port designs provide excellent EMI and
common mode noise suppression
• Meets all IEEE 802.3 standards including 350µH
with 8mA bias
• Optimized for board layouts utilizing single row and dual • Low profile, surface mount packaging rated to 225° C
stack RJ-45 connectors
peak IR reflow temperature
• Operating temperature 0° to 70° C
• Minimum interwinding breakdown voltage of 1500 Vrms
ELECTRICAL SPECIFICATIONS AT 25° C
Part Number
Insertion
Loss
dB max
Return Loss
dB min
100kHz to 100kHz to 30MHz to
100MHz
30MHz
60MHz
60MHz
to
80MHz
Common to
Differential
Mode
Rejection
dB min
Common to
Common
Mode
Rejection
dB min
Crosstalk
dB min
100kHz to 100MHz
1MHz 30MHz 60MHz 100MHz
S558-5999-65
-1.0
-20
-18
-10
-40
-30
-65
-55
-45
-35
S558-5999-75
-1.0
-20
-18
-10
-40
-30
-65
-55
-45
-35
S558-5999-79
-1.0
-20
-18
-10
-40
-30
-65
-55
-45
-35
S558-5999-83
-1.0
-20
-18
-10
-40
-30
-65
-55
-45
-35
S558-5999-A4
-1.0
-20
-18
-10
-40
-30
-65
-55
-45
-35
S558-5999-A6
-1.0
-20
-18
-10
-40
-30
-65
-55
-45
-35
S558-5999-A8
-1.0
-20
-18
-10
-40
-30
-65
-55
-45
-35
S558-5999-A9
-1.0
-20
-18
-10
-40
-30
-65
-55
-45
-35
Part Number
Turns Ratio
TX
RX
S558-5999-65 2CT : 1 : 2CT 1CT : 1CT
S558-5999-75
1CT : 1
1CT : 1CT
Part Number
S558-5999-A4
Turns Ratio
TX
1CT : 1
RX
1CT : 1CT
S558-5999-A6
1CT : 1
1CT : 1CT
S558-5999-79
1CT : 1
1CT : 1CT
S558-5999-A8 1CT : 1CT 1CT : 1CT
S558-5999-83 1.23CT : 1CT 1CT : 1CT
S558-5999-A9 1CT : 1CT 1CT : 1CT
©2001 Bel Fuse Inc. Specifications subject to change without notice. 09.01
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
L4-13