Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
©2007 Bel Fuse Inc. Specifications subject to change without notice. 11.07
10BASE-T LAN MAGNETICS
LM00505 Single Port Transformer Modules
ELECTRICAL SPECIFICATIONS AT 25° C
Transformer turns ratio RX 1CT : 1CT and
TX 2CT : 1CT
Single-por t modules available with and without
common mode chokes
Conforms to IEEE 802.3 standards
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
L5-19
rebmuNtraP
noitresnI ssoL xamBd
LCO nimHµ ssoLnruteR nimBd
nommoCotnommoC noitcejeRedoM nimBd
klatssorC nimBd
otzHM1 zHM01 XT XR otzHM1 zHM01 otzHM5 zHM01 otzHM01 zHM03 zHM001 zHM01otzHM1
ylnOsremrofsnarT
10-4801-355S0.1-080881----------04-
11-4801-355S0.1-080881----------04-
25-9995-355S0.1-8201181----------04-
sekohCedoMnommoCdnasremrofsnarT
74-9995-355A0.1-05002---81-04-03-04-
68-9995-355S0.1-8201181----04-03-04-
78-9995-355S0.1-05002---81-04-03-04-
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
©2007 Bel Fuse Inc. Specifications subject to change without notice. 11.07
10BASE-T LAN MAGNETICS
LM00505 Single Port Transformer Modules
SCHEMATICS
S553-1084-01 S553-1084-11 S553-5999-52
A553-5999-47
S553-5999-87
1
2
3
6
7
8
9
1
0
1
1
1
4
1
5
1
6
1CT : 2CT
1CT : 1CT
T
X
R
X
1
2
3
6
7
89
1
0
1
1
1
4
1
6
2CT : 1
1CT : 1CT
T
X
R
X
1
2
3
6
7
89
1
0
1
1
1
4
1
5
1
6
2CT : 1CT
1CT : 1CT
TX
R
X
1
2
3
6
7
89
1
0
1
1
1
4
1
5
1
6
1CT : 1CT
1CT : 2CT
T
X
R
X
S553-5999-86
1
2
3
6
7
8
9
1
0
1
1
1
4
1
5
1
6
1CT : 1CT
1CT : 2CT
TX
R
X
L5-20
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
10BASE-T LAN MAGNETICS
©2007 Bel Fuse Inc. Specifications subject to change without notice. 11.07
LM00505
Single Port Transformer Modules
MECHANICALS
0
.325
[
8.26] 0.285
[7.24]
max
0.100 [2.54] typ
0.800
[20.32]
max
0.210
[5.33] max
0.120
[3.05]
min
0.018
[0.46]
ref
0.045
[1.14]
ref
0.015
[0.38]
min 0.180
[4.57]
max
100˚
90˚
0.008 - 0.012
[0.20 - 0.30]
Dimensions are in inches [millimeters].
Standard dimension tolerance is ±0.005 [0.13] unless otherwise noted.
A553-5999-47
L5-21
0.500
[12.70]
max
0.375
[9.53]
max
0.285
[7.24]
max
0.018 ±0.002
[0.46 ±0.05]
0.225
[5.72]
max
0.050
[1.27]
0.015
[0.38] 0.350 ±0.010
[8.89 ±0.25] 0.008 - 0.012
[0.20 - 0.30] 0.035
[0.89] 4˚ nom
0.025
[0.64] 0.070
[1.78]
0.050
[1.27]
0.425
[10.80]
Suggested PCB Pad Layout
Dimensions are in inches [millimeters].
Standard dimension tolerance is ±0.005 [0.13] unless otherwise noted.
0.004 [0.10]
S553-1084-01
S553-1084-11
S553-5999-52
S553-5999-86
S553-5999-87