TM02129 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. 02.02 TM02129 page 1 DS3/E3/STS-1 Dual Transformers SCHEMATICS ELECTRICAL SPECIFICATIONS at 25° C S554-6500-15
- 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
- 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 ratios and 300 Ω for 1 : 2 ratios rebmuNtraP oitaRsnruT %2± ecnatcudnIyramirP 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 AlioC BlioC AlioC BlioC AlioC BlioC AlioC BlioC B&AlioC AlioC BlioC AlioC BlioC 51-0056-455S1 :11 :10 80 80 40 49 0.09 0.00 15 25 28 18 1 61-0056-455S1 :1T C1:TC10 80 80 40 49 0.00 1.00 15 25 28 18 1 71-0056-455ST C2:11 :10 80 80 40 49 0.09 0.00 15 25 28 18 1 81-0056-455S1 :1T C2:10 80 80 40 49 0.09 0.00 15 25 28 18 1 S554-6500-16 SecondaryPrimary C oil A C oil B 1 : 1 1 : 1 8 9 Coil A Coil B 1 : 1 1C T : 1C T SecondaryPrim ary 8 9
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. 02.02 TM02129 page 2 DS3/E3/STS-1 Dual Transformers 0.485 [12.32] max 0.375 [9.53] max 0.285 [7.24] max 0.018 ±0.002 [0.46 ±0.05] 0.225 [5.72] max 0.050 [1.27] 0.003 [0.08] m in 0.350 ±0.010 [8.89 ±0.25] 0.008 - 0.012 [0.20 - 0.30] 0.035 [0.89] 6˚ nom 0.025 [0.64] 0.070 [1.78] 0.050 [1.27] 0.425 [10.80] Suggested PCB Pad Layout D im ensions are in inches [millim eters]. Standard dim ension tolerance is ±0.005 [0.13] unless otherwise noted. 0.004 [0.10] MECHANICAL S554-6500-15 S554-6500-16 S554-6500-17 S554-6500-18 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 S554-6500-17 S554-6500-18 Secondary Primary C oil A C oil B 2C T : 1 1 : 1 8 9 Coil A Coil B 1 : 1 1 : 2C T SecondaryPrim ary 8 9 SCHEMATICS