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defining a degree of excellence
HIGH SPEED LAN MAGNETICS
960004A * Tested and qualified for use with National Semiconductor's DP83840 Ethernet PHY and DP 83223 TP chipset * Designed for 10/100 Base-TX over Cat-5 cable * Low profile, surface mount packaging available * IR reflow rating to 225C peak * Excellent EMI and common mode noise suppression * 350H OCL (inductance) with 8mA bias applied * 2000 Vrms isolation * Consult short form catalog for part use with other PHY transceivers
ELECTRICALS AT 25C
Part No. Insertion Loss (dB) Typ 1MHz-100MHz Return Loss (dB) Min 1MHz-30MHz Return Loss (dB) Min 30MHz-60MHz Return Loss (dB) Min 60MHz-80MHz Crosstalk (dB) Min 1MHz-100MHz Common to Diff Mode Rej (dB) Min 30MHz 100MHz Common to Common Mode Rej (dB) Min 30MHz 100MHz Package Style
S558-5999-39 S558-5999-46 S558-5999-95*
-1.0 -1.0 -1.0
-16 -16 -16
16-20log(f/30MHz) 16-20log(f/30MHz) 16-20log(f/30MHz)
-10 -10 -10
-35 -35 -35
-50 -50 -50
-40 -40 -40
-40 -40 -40
-30 -30 -30
1 2 1
*Same as S558-5999-39 except pins #4 and #13 are omitted.
SCHEMATIC
MECHANICALS
1 2
NOTE: Pins 4, 8, 9, and 13 are no-connects.
Specifications subject to change without notice.
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 * Tel: 201-432-0463 * Fax: 201-432-9542 * E-Mail: BelFuse@belfuse.com
Website: http://www.belfuse.com
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defining a degree of excellence
HIGH SPEED LAN MAGNETICS
960004A
APPLICATION CIRCUIT
APPLICATION NOTES
* These Bel part types have been designed for use in 100 Mbps or 10/100 Mbps data transmission systems over category 5 UTP/STP cable. Each Bel part type contains an impedance matching common mode termination from a center tapped core, which is located on the media side of the transmit channel. Good circuit balance on the board layout, along with precise selection of the values and tolerances for the discrete components used in conjunction with this center tap is critical for proper functionality. Refer to Bel's application note for proper implementation of the impedance matched common mode termination and possible design considerations to eliminate its use. Each Bel module provides superior EMI noise suppression, high voltage isolation, wave shaping and fast, but controlled rise times. All parts meet the IEEE 802.3 standards, which includes 350H OCL (inductance) when 8mA of DC bias is applied. * These three Bel part types have been tested and qualified for use with the National Semiconductor DP83223 TPTransceiver and DP83840 10/100 Mbps PHY device, as well as similar 10/100 Mbps PHY transceivers listed in the Bel short form catalog. * These three Bel part types have identical electrical design implementations. The only differences are the physical height of the packages (.350" vs .235") and the lead frame configuration (16 pins vs 14 pins). Pins 4, 8, 9, and 13 on all parts are "no connects." * Bel's low profile, surface mount packaging is ideal for high speed pick and place machinery. Parts can be shipped on tape and reel for high speed placement. Construction processes have been implemented for thermal compatibility with high temperature IR reflow assembly processing. Post dipping of leads assist with PC board solderability. Each part is optically inspected to meet rigid coplanarity requirements.
Corporate Office Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302-4496 Tel: 201-432-0463 Fax: 201-432-9542 E-Mail: BelFuse@belfuse.com Internet: http://www.belfuse.com Far East Office Bel Fuse Ltd. 8F/8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel: 852-2328-5515 Fax: 852-2352-3706 European Office Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Preston PR1 8UD Lancashire, U.K. Tel: 44-1772-556601 Fax: 44-1772-888366
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