HIGH FREQUENCY MAGNETICS T1/E1 Dual Transformers TM01117 • Transmit transformer and receive transformer in one surface mount package • S553-6500-E5, S553-6500-E6 and S553-6500-E7 are industrial temperature versions of S553-6500-39, S553-6500-76 and S553-6500-A4 respectively • Meets ITU-T G.703 return loss from -40° to +85° C • 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 ELECTRICAL SPECIFICATIONS at 25° C Turns Ratio ±2% Primary Inductance at 10 kHz Leakage Inductance at 1 MHz Pri : Sec mH min µH max DCR Ω max Capacitance pF max Return Loss at 102 kHz 120Ω Application Part Number Primary 25° C dB typ Secondary Pri to Sec Coil A Coil B Coil A Coil B Coil A Coil B Coil A Coil B Coil A Coil B S553-6500-E5 1CT : 2CT 1 : 1.36CT 1.8 1.6 0.5 0.5 0.75 0.6 1.5 0.7 S553-6500-E6 1CT : 1CT 1CT : 2CT 1.8 1.8 0.5 0.5 0.6 0.75 0.6 S553-6500-E7 1CT : 1CT 1CT : 1.36CT 1.8 1.3 0.5 0.5 0.6 0.5 0.6 -40 to +85° C dB min Coil A Coil B Coil A Coil B 35 301 212 181 182 1.5 35 323 301 193 181 0.7 35 323 202 193 182 1. Secondary terminated in 480 Ω 2. Primary terminated in 54 Ω 3. Primary or secondary terminated in 120 Ω SCHEMATIC S553-6500-E5 Secondary Coil A Primary 2CT : 1CT 1 15 3 14 4 1 : 1.36CT 6 Secondary 16 2 5 Coil B S553-6500-E6 1 Coil A S553-6500-E7 Primary 1CT : 1CT 1 16 14 3 14 13 4 13 12 5 3 13 4 12 5 7 10 8 Primary 9 Secondary 6 Coil B 16 15 15 11 Coil A Primary 1CT : 1CT 2 2 1CT : 2CT Secondary 11 7 10 8 Primary 9 Secondary 6 Coil B 12 1CT : 1.36CT 11 7 10 8 Primary 9 Secondary ©2001 Bel Fuse Inc. Specifications subject to change without notice. 11.01 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 1 HIGH FREQUENCY MAGNETICS T1/E1 Dual Transformers TM01117 MECHANICAL S553-6500-E5 S553-6500-E6 S553-6500-E7 Suggested PCB Pad Layout 0.500 [12.70] max 0.375 [9.53] max 0.050 [1.27] 0.285 [7.24] max 0.425 [10.80] 0.018 ±0.002 [0.46 ±0.05] 0.050 [1.27] 0.225 [5.72] max 0.070 [1.78] 0.025 [0.64] 0.003 [0.08] min 0.350 ±0.010 [8.89 ±0.25] 4˚ nom 0.004 [0.10] 0.008 - 0.012 [0.20 - 0.30] 0.035 [0.89] 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 ©2001 Bel Fuse Inc. Specifications subject to change without notice. 11.01 CORPORATE FAR EAST EUROPE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com 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 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 page 2