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