10BASE-T LAN MAGNETICS
Quad Transformer Module
LM00502
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•
Transformer turns ratio RX 1 : 1 and TX 1CT : 2CT
Filterless quad, four-port designs with common
footprint and pinouts
Optimized for use with stackable RJ-45 connectors
•
Low profile, surface mount packaging rated to 225° C
peak IR reflow temperature
Quad design offers best space, performance and cost
efficiency
Operating temperature 0° to 70° C
Minimum interwinding breakdown voltage of 1500 Vrms
•
•
•
•
Utilizes standard 40 pin SMD packaging
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ELECTRICAL SPECIFICATIONS AT 25° C
Insertion Loss
dB max
Part Number
1MHz to 10MHz
Return Loss
dB min
Common to Common Mode Rejection
dB min
Crosstalk
dB min
5MHz to 10MHz
5MHz to 10MHz
10MHz to 30MHz
30MHz to 100MHz
100KHz to 30MHz
S553-5999-28
-1.0
-16
-40
-35
-30
-40
SCHEMATIC
1
RX1
2
3
TX1 4
5
6
TX2 7
8
9
RX2
10
11
RX3
12
13
TX3 14
15
16
TX4 17
18
19
RX4
20
S553-5999-28
1:1
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
©2001 Bel Fuse Inc. Specifications subject to change without notice. 09.01
1CT : 2CT
1CT : 2CT
1:1
1:1
1CT : 2CT
1CT : 2CT
1:1
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
L5-9
BEL [ BEL FUSE INC. ]
