S558-5999-N2 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – 10/100BASE-T LAN MAGNETICS

10/100BASE-T LAN MAGNETICS
Quad Transformer Modules
LM00403
• Excellent EMI and common mode noise suppression
• Meets all IEEE 802.3 standards including 350µH with
8mA bias
• Low profile, surface mount packaging rated to 225° C
peak IR reflow temperature
• Operating temperature 0° to 70° C
ELECTRICAL SPECIFICATIONS AT 25° C
• Minimum interwinding breakdown voltage of 1500 Vrms
Part Number
Insertion
Loss
dB max
Return Loss
dB min
100kHz to 100kHz to
100MHz
30MHz
30MHz to
60MHz
S558-5999-N2
-1.0
S558-5999-P8
-1.0
-18
18 - 20log
(f/30MHz)
-18
18 - 20log
(f/30MHz)
60MHz
to
80MHz
-12
-12
Common to
Differential
Mode
Rejection
dB min
Common to
Common
Mode
Rejection
dB min
Crosstalk
dB min
100kHz to 100MHz
1MHz 30MHz 60MHz 100MHz
-40
-30
-65
-55
-45
-35
-40
-30
-65
-55
-45
-35
SCHEMATICS
RD1+ 1
RD1- 2
TCT1 3
TD1+ 4
S558-5999-N2
1:1
1CT : 1.41CT
40 RX1+
39 RX1-
38 TCMT1
37 TX1+
Part Number
Turns Ratio
TX
RX
S558-5999-N2 1CT : 1.41CT
1:1
S558-5999-P8 1.25CT : 1CT
1:1
TD1- 5
RD2+ 6
RD2- 7
TCT2 8
TD2+ 9
TD2- 10
RD3+ 11
RD3- 12
TCT3 13
TD3+ 14
1:1
1CT : 1.41CT
1:1
1CT : 1.41CT
36 TX1-
35 RX2+
34 RX2-
33 TCMT2
32 TX2+
31 TX2-
30 RX3+
29 RX3-
28 TCMT3
27 TX3+
TD3- 15
RD4+ 16
1:1
26 TX3-
25 RX4+
RD4- 17
TCT4 18
TD4+ 19
1CT : 1.41CT
24 RX4-
23 TCMT4
22 TX4+
TD4- 20
21 TX4-
©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
L4-9