S558-5999-E4 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – 10/100BASE-T LAN MAGNETICS

10/100BASE-T LAN MAGNETICS
Quad Transformer Modules
LM00404
• Quad, four-port designs provide 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
• Minimum interwinding breakdown voltage of 1500 Vrms
• Operating temperature 0° to 70° C
ELECTRICAL SPECIFICATIONS AT 25° C
Part Number
Turns Ratio
TX
RX
S558-5999-E4
2CT : 1
1:1
S558-5999-J0 2CT : 1CT
1:1
S558-5999-77 1.23CT : 1CT
1:1
Insertion
Loss
dB max
Return Loss
dB min
100kHz to 100kHz to 30MHz to
100MHz
30MHz
60MHz
60MHz
to
80MHz
-1.0
-18
18 - 13log
(f/30MHz)
-12
-1.0
-18
18 - 13log
(f/30MHz)
-12
1.0
-18
18 - 13log
(f/30MHz)
-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
40
30
-65
-55
-45
-35
SCHEMATICS
S558-5999-E4
Quad Port Single Row RJ-45
2CT : 1
TD1+ 1
40 TX1+
TCT1 2
TD1- 3
RD1+ 4
38 TX1-
1:1
37 RX1+
TD1- 1
TD1+ 2
TCT1 3
RD1- 4
S558-5999-J0
Quad Port Dual Stack RJ-45
2CT : 1CT
40 RX1+
39 RX1-
38 TCMT1
1:1
37 TX1+
RD1+ 5
TD2+ 6 ^{2CT : 1}
TCT2 7
TD2- 8
1:1
RD2+ 9
36 RX1-
35 TX2+
33 TX2-
32 RX2+
RD1+ 5
TD2- 6
TD2+ 7
TCT2 8
RD2- 9
2CT : 1CT
1:1
36 TX1-
35 TX2-
34 TX2+
33 TCMT2
32 RX2-
RD2-10
TD3+11 ^{2CT : 1}
TCT3 12
TD3- 13
1:1
RD3+14
31 RX2-
30 TX3+
28 TX3-
27 RX3+
RD2+ 10
TD3- 11
TD3+ 12
TCT3 13
RD3- 14
2CT : 1CT
1:1
31 RX2+
30 RX3+
29 RX3-
28 TCMT3
27 TX3+
RD3-15
TD4+16 ^{2CT : 1}
TCT4 17
TD4- 18
1:1
RD4+19
RD4- 20
26 RX3-
25 TX4+
23 TX4-
22 RX4+
21 RX4-
RD3+ 15
TD4- 16
TD4+ 17
TCT4 18
RD4- 19
2CT : 1CT
1:1
26 TX3-
25 TX4-
24 TX4+
23 TCMT4
22 RX4-
RD4+ 20
21 RX4+
©2001Bel 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
L4-11