S553-5999-41 Ver la hoja de datos (PDF) - Bel Fuse Inc.

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S553-5999-41

TOKEN RING NETWORKING COMPONENTS

Bel Fuse Inc. 

960044B

defining a degree of excellence

TOKEN RING NETWORKING

COMPONENTS

APPLICATION CIRCUIT

APPLICATION NOTES

• Bel has created this product for use with token ring 4/16 Mbps transceivers developed by Texas Instruments and

Madge. The impedance of this part has been optimized for use in either 100 ohm UTP or 150 ohm STP media

applications. The Bel module provides isolation and impedance matching transformers plus common mode choke for

either a transmit or receive channel. External filtering is required.

• Suppression of board induced noise can be achieved with precision layout instructions, along with careful consideration

of the selection and placement of discrete components for the interface circuit.

• 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.

• OCL (inductance) of this transformer is 616 µH minimum. Optional lower inductance values can be made available.

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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