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10/100BASE-T LAN MAGNETICS
Single Port Transformer Modules
* Meets all IEEE 802.3 standards including 350H 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 TX11 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 TX11 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 RXSpecifications subject to change without notice. 03.06
(c)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
10/100BASE-T LAN MAGNETICS
LM00406
Single Port Transformer Modules
S558-5999-N3 S558-5999-T7
16 TX1 15 TXCT 14 TX+ 1CT : 1CT 11 RX10 RXCT 9 RX+
1CT : 1CT RD+ 16 RDCT 15 RD14 1CT : 1CT TD+ 11 TDCT 10 TD9 1 RX+
SCHEMATICS
1CT : 1.414CT
TD-
1
TDCT 2 TD+ RD3 6
2 RXCT 3 6 RXTX+
RDCT 7 RD+ 8
7 TXCT 8 TX-
S558-5999-U7
TD1 1 TDCT 2 TD+ 3 RD- 6 RDCT 7 RD+ 8 1CT : 1CT 1CT : 1CT 16 TX15 TXCT 14 TX+ 11 RX10 RXCT 9 RX+
MECHANICAL
0.500 [12.70] max
Suggested PCB Pad Layout
S558-5999-J1 S558-5999-J2 S558-5999-K9 S558-5999-N3 S558-5999-T7 S558-5999-U7
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)2006 Bel Fuse Inc. Specifications subject to change without notice. 03.06
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
L4-18

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