TM02129 BEL

Document overview

  • PDF pages: 2

Technical content

Page 1

PDF page 1 diagram
  • Optimized for line transceivers operating at E3, DS3 or STS-1 rates: 34.368 Mb/s, 44.736 Mb/s, 51.84 Mb/s
  • Transmit transformer and receive transformer in one surface mount package
  • Meets ITU-T G.703 return loss from -40° to +85° C from 860 kHz to 51.55 MHz
  • UL 1950 approved: file number E150991

ELECTRICAL SPECIFICATIONS at 25° C

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  • Operating temperature range -40° to +85°C
  • Meets IEC 695, 2-2 flammability requirements
  • PWB Process Capability: standard printed wiring board assembly techniques, total-immersion cleaning
  • Reliability testing: Shock, vibration, temperature cycling, temperature - humidity - bias
  • Interwinding breakdown voltage: 1500 Vrms min
Leakage imaryInductance Capacitance Inductance at100kHz Cw/w at1MHz ReturnLossat1.72MHz 75 ΩΩΩΩΩApplication1
C -40°C µHmax pFmax in µHmin 25°C dBtyp -40to+85°C dBmin
CoilB CoilA CoilB CoilA CoilB CoilA&B CoilA CoilB CoilA CoilB
80 40 40 0.09 0.09 10 25 25 18 18
80 40 40 0.09 0.10 10 25 25 18 18
80 40 40 0.09 0.09 10 25 25 18 18
80 40 40 0.09 0.09 10 25 25 18 18
  1. Terminated in 75 Ω for 1 : 1 ratios and 300 Ω for 1 : 2 ratios

SCHEMATICS

S554-6500-15

S554-6500-16

Primary

Secondary

Secondary

Primary

1 : 1

1 : 1

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PDF page 1 diagram

Coil A

Coil A

Coil B

Coil B

©2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02

Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com

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Page 2

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SCHEMATICS

S554-6500-18

S554-6500-17

Secondary

Primary

2CT : 1

Primary

Secondary 1 : 1

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PDF page 2 diagram

Coil A

Coil A

Coil B

Coil B

MECHANICAL

0.485 [12.32]

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S554-6500-15 S554-6500-16 S554-6500-17 S554-6500-18

min

Dimensions are in inches [millimeters].

Standard dimension tolerance is ±0.005 [0.13] unless otherwise noted.

Tape and Reel Packaging

24 mm wide by 12 mm pitch; 13 inch OD, 4 inch ID 750 modules per reel, maximum Meets ANSI/EIA 481-2 Carrier Tape Standards - JEDEC SO Package

©2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02

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CORPORATE

Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com

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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