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10BASE-T LAN MAGNETICS
Single Port Transformer Modules
LM00504
*
Transformer turns ratio RX 1CT : 1CT and TX 1CT : 1.41CT Single-port modules available with and without common mode chokes Utilizes standard packaging
*
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
Insertion Loss dB max Part Number 1MHz to 10MHz
OCL H min
Return Loss dB min
Common to Common Mode Rejection dB min
Crosstalk dB min
1MHz to 10MHz
10MHz to 30MHz
30MHz to 100MHz
1MHz to 10MHz
Transformers Only
A553-0716-00
-1.0
140
-18
---
---
-40
S553-0716-00
-1.0
140
-18
---
---
-40
Transformers and Common Mode Chokes
S553-5999-08
-1.0
110
-15
-40
-30
-40
S553-5999-37
-1.0
200
-15
-40
-30
-40
S556-5999-26
-1.0
110
-15
-40
-30
-40
(c)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 L5-15
10BASE-T LAN MAGNETICS
LM00504
Single Port Transformer Modules
SCHEMATICS
A553-0716-00 S553-0716-00 S553-5999-08
1 RX 2 3 6 TX 7 8
1CT : 1CT
16 15 14
1 RX 2 3
1CT : 1CT
16 15 14
1CT : 1.41CT
11 10 9
6 TX 7 8
1CT : 1.41CT
11 10 9
S553-5999-37
S556-5999-26
1 RX 2 3
1CT : 1CT
16 15 14
1 RX 2 3
1CT : 1CT
16 15 14
1CT : 1.41CT
1CT : 1.41CT 6 TX 7 8
6
11 10 9
11 Filter 10 9
TX 7 8
(c)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 L5-16
10BASE-T LAN MAGNETICS
Single Port Transformer Modules
MECHANICALS
A553-0716-00
0.325 0.285 [8.26] [7.24] max
LM00504
0.100 [2.54] typ 0.800 [20.32] max 0.210 [5.33] max
0.015 [0.38] min
0.180 [4.57] max 100 90
0.120 [3.05] min
0.018 [0.46] ref
0.045 [1.14] ref
0.008 - 0.012 [0.20 - 0.30]
Dimensions are in inches [millimeters]. Standard dimension tolerance is 0.005 [0.13] unless otherwise noted.
S553-0716-00 S553-5999-08 S553-5999-37
0.500 [12.70] max
Suggested PCB Pad Layout
0.375 0.285 [9.53] [7.24] max max
0.425 [10.80]
0.050 [1.27]
0.018 0.002 [0.46 0.05] 0.225 [5.72] max 0.015 [0.38]
0.050 [1.27]
0.025 [0.64]
0.070 [1.78]
0.004 [0.10]
0.350 0.010 [8.89 0.25]
0.008 - 0.012 [0.20 - 0.30]
0.035 [0.89]
4 nom
Dimensions are in inches [millimeters]. Standard dimension tolerance is 0.005 [0.13] unless otherwise noted.
(c)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 L5-17
10BASE-T LAN MAGNETICS
LM00504
Single Port Transformer Modules
MECHANICALS
S556-5999-26
0.500 [12.70] max
Suggested PCB Pad Layout
0.375 0.285 [9.52] [7.24] max max
0.425 [10.80]
0.050 [1.27]
0.018 0.002 [0.46 0.05]
0.050 [1.27]
0.025 [0.64]
0.070 [1.78]
0.225 [5.73] max 0.003 - 0.010 [0.08 - 0.25] 0.350 0.010 [8.89 0.25] 0.008 - 0.012 [0.20 - 0.30] 0.035 [0.88] 4 nom
Dimensions are in inches [millimeters]. Standard dimension tolerance is 0.005 [0.13] unless otherwise noted.
(c)2001 Bel Fuse Inc. Specifications subject to change without notice. 09.01
CORPORATE
Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
FAR EAST
Bel Fuse Ltd. 8F / 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com
EUROPE
Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com
L5-18

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