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S553-3873-17_1 Datasheet, PDF (1/4 Pages) Bel Fuse Inc. – 10BASE-T LAN MAGNETICS
10BASE-T LAN MAGNETICS
Dual Transformer Modules
LM00503
• Dual designs for two-port configurations maximize
space and cost efficiencies
• S556-5999-30 includes inductors for use with
additional differential filtering
• Low profile, surface mount packaging rated to 225° C
peak IR reflow temperature
• Operating temperature 0° to 70° C
• Minimum interwinding breakdown voltage of 1500 Vrms
ELECTRICAL SPECIFICATIONS AT 25° C
Part Number
S553-3873-17
Turns Ratio
±2%
TX
RX
1: 2
1:1
Insertion Loss
dB max
Return Loss
dB min
Common to Common Mode
Rejection
dB min
Crosstalk
dB min
1MHz to 10MHz 5MHz to 10MHz
10MHz to
30MHz
30MHz to
100MHz
1MHz to 10MHz
-0.8
-20
---
---
-40
S553-5841-14 1CT : 1.41
1:1
-1.0
-15
-40
-30
-35
S556-5841-09
1CT : 1
1CT : 1
-1.0
-20
-40
-30
-40
S556-5999-30
1:2
1:1
-0.5
-20
---
---
-40
SCHEMATICS
S553-3873-17
1
1:1
16
RX1
2
15
3
1:2
14
TX1
4
13
5
1:2
12
TX2
6
11
7
1:1
10
RX2
8
9
©2001 Bel Fuse Inc. Specifications subject to change without notice. 09.01
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
L5-11