S554-6500-25 BEL | Alldatasheet
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Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com HIGH FREQUENCY MAGNETICS ©2002 Bel Fuse Inc. Specifications subject to change without notice. 04.02 TM02130 page 1 DS3/E3/STS-1 Transformers SCHEMATICS ELECTRICAL SPECIFICATIONS at 25° C S554-6500-25
- Optimized for line transceivers operating at E3, DS3 or STS-1 rates: 34.368 Mb/s, 44.736 Mb/s, 51.84 Mb/s
- S554-6500-25 and S554-6500-26 are surface mount, industrial temperature replacements for S554-3184-00 and S554-3184-02 transformers respectively
- Meet ITU-T G.703 return loss from -40° to +85° C from 860 kHz to 51.55 MHz
- UL 1950 approved: file number E150991
- 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 1. Terminated in 75 Ω for 1 : 1 ratio and 300 Ω for 1 : 2 ratio S554-6500-26 S554-6500-30 rebmuNtraP oitaRsnruT %2± yramirP ecnatcudnI zHk001ta egakaeL ecnatcudnI zHM1ta ecnaticapaC w/wC zHM27.1tassoLnruteR 57 ΩΩΩΩΩ noitacilppA 1 ceS:irP C°52 nimHµ C°04- nimHµ xamHµ xamFp C°52 pytBd C°58+ot04- nimBd 52-0056-455S1 :10 80 49 0.00 15 28 1 62-0056-455ST C2:10 80 49 0.00 15 28 1 03-0056-455ST C1:TC10 80 40 1.00 15 28 1 6 1 Primary Secondary 1 : 1 6 1 Primary Secondary 1 : 2CT 6 1 Primary Secondary 1CT : 1CT
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 HIGH FREQUENCY MAGNETICS ©2002 Bel Fuse Inc. Specifications subject to change without notice. 04.02 TM02130 page 2 DS3/E3/STS-1 Transformers MECHANICAL S554-6500-25 S554-6500-26 S554-6500-30 Tape and Reel Packaging 16 mm wide by 12 mm pitch; 13 inch OD, 4 inch ID 500 modules per reel, maximum Meets ANSI/EIA 481-2 Carrier Tape Standards - JEDEC SO Package 0.300 [7.62] max 0.350 [8.89] 0.375 [9.52] 0.285 [7.24] max 0.018 +0.002 [0.46 +0.05] 0.100 [2.54] Suggested PCB Pad Layout 0.425 [10.80] 0.070 [1.78] 0.030 [0.76] 0.100 [2.54] 0.008 - 0.012 [0.20 - 0.30] 0.035 [0.89] 0.200 [5.08] 0.225 [5.73] max 0.003 [0.08] m in 0.004 [0.10] D im ensions are in inches [millim eters]. Standard dim ension tolerance is ±0.005 [0.13] unless otherwise noted.