S558-5999-91(V2) データシートの表示（PDF） - Bel Fuse Inc.
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S558-5999-91 Datasheet PDF : 2 Pages
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defining a degree of excellence
960011A
APPLICATION CIRCUIT
HIGH SPEED LAN MAGNETICS
APPLICATION NOTES
• These Bel dual, 2-port devices have been uniquely designed for either 100 Mbps or 10/100 Mbps data transmission
systems over category 5 UTP/STP cable. These Bel parts have been tested and qualified for use with the National
Semiconductor DP83223 TP-Transceiver and DP83840 10/100 Mbps PHY device, and can also be used with
chipsets from Intel (82555) and Texas Instruments (TNETE 223). Please consult the Bel short form catalog for
recommended mating semiconductors. Each Bel module provides superior EMI noise suppression, high voltage
isolation, wave shaping and fast, but controlled rise times. All parts meet IEEE 802.3 standards, which includes
350µH OCL (inductance) when 8mA of DC bias is applied.
• The Bel unique design approach allows for separation of the 10 Mbps and 100 Mbps signals, creating better signal
balance, superior noise suppression, optimization of performance for each 10 Mbps and 100 Mbps signal and ease
of magnetics design. This approach also allows for the addition of either a 10 Mbps or 100 Mbps common mode
choke, which could not be effectively implemented if the 10 Mbps and 100 Mbps shared the same signal lines.
• 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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