10/100BASE-T LAN MAGNETICS
Single Port Transformer Modules
LM00406
•
•
Meets all IEEE 802.3 standards including 350µH with
8mA bias
•
•
•
Small form factor for board layout efficiency
Operating temperature 0° to 70° C
Low profile, surface mount packaging rated to 225° C
peak IR reflow temperature
Minimum interwinding breakdown voltage of 1500 Vrms
ELECTRICAL SPECIFICATIONS AT 25° C
Common to
Differential
Mode
Rejection
dB min
Common to
Common
Mode
Rejection
dB min
Insertion
Loss
dB max
Return Loss
dB min
Crosstalk
dB min
Turns Ratio
Part Number
100kHz to 100kHz to
30MHz to
60MHz
60MHz to
80MHz
TX
RX
100kHz to 100MHz
1MHz 30MHz 60MHz 100MHz
100MHz
30MHz
16 - 20log
(f/30MHz)
S558-5999-J1
S558-5999-J2
S558-5999-K9
1CT : 1CT
1CT : 1CT
2CT : 1CT
1CT : 1CT
1CT : 1CT
1CT : 1CT
-1.0
-16
-10
-40
-38
-40
-40
-40
-40
-30
-30
-30
-30
-30
-30
-65
-60
-65
-65
-65
-65
-55
-50
-55
-55
-55
-55
-45
-40
-45
-45
-45
-45
-35
-30
-40
-35
-35
-35
16 - 20log
(f/30MHz)
-1.0
-1.1
-2.0
-1.0
-1.0
-16
-16
-16
-18
-18
-10
-10
-10
-12
-12
16 - 20log
(f/30MHz)
16 - 20log
(f/30MHz)
S558-5999-N3 1CT : 1.41CT 1CT : 1CT
18 - 20log
(f/30MHz)
S558-5999-T7
S558-5999-U7
1CT : 1CT
1CT : 1CT
1CT : 1CT
1CT : 1CT
18 - 20log
(f/30MHz)
SCHEMATICS
S558-5999-J1
S558-5999-J2
1CT : 1CT
1CT : 1CT
16
TX+
TXCT
TX-
1
2
3
TD+
TDCT
TD-
16
TX+
TXCT
TX-
1
2
3
TD+
TDCT
TD-
15
14
15
14
1CT : 1CT
1CT : 1CT
11
RD+ 6
RX+
11
RD+ 6
RX+
7
8
10 RXCT
RDCT
RD-
7
8
10 RXCT
RDCT
RD-
9
RX-
9
RX-
2CT : 1CT
16
15
14
TX+
1
2
3
TD+
TXCT
TX-
TDCT
TD-
S558-5999-K9
1CT : 1CT
11
RD+ 6
RX+
7
8
10 RXCT
RDCT
RD-
9
RX-
©2006 Bel Fuse Inc. Specifications subject to change without notice. 03.06
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
L4-17