HIGH FREQUENCY MAGNETICS T1/E1 Octal Transformer Modules TM01119 • Optimized for line interface devices listed on next page • Operating temperature range -40° to +85°C • Eight transformers in one surface mount package • Meets IEC 695, 2-2 flammability requirements • Two modules: S553-6500-D4 with 8 transformers S553-6500-D5 with 8 transformers and IC surge protection devices • PWB Process Capability: standard printed wiring board assembly techniques, total-immersion cleaning • Reliability testing: Shock, vibration, temperature cycling, temperature - humidity - bias Four transformers have center taps to facillitate Simplex line powering • Interwinding breakdown voltage: 1500 Vrms min Meets ITU-T G.703 return loss from -40° to +85° C • UL 1950 approved: file number E150991 • • ELECTRICAL SPECIFICATIONS at 25° C Turns Ratio ±2% Primary Inductance at 10 kHz Leakage Inductance at 1 MHz IC : Line mH min µH max DCR Ω max Capacitance pF max Return Loss at 102 kHz 120Ω Application1 Part Number IC Side Line Side TX RX TX RX TX RX TX RX TX RX S553-6500-D4 1:2 1:2 1.2 1.2 0.3 0.3 0.6 0.6 1.2 1.2 S553-6500-D5 1:2 1:2 1.2 1.2 0.3 0.3 0.6 0.6 1.2 1.2 Winding to Winding 25° C dB typ -40 to +85° C dB min TX RX TX RX 35 16 22 15 20 35 16 22 15 20 1. Terminated in 36 Ω for TX and 27 Ω for RX SCHEMATIC S553-6500-D4 1 TXI+ 1 1 : 2CT 3 1 RXO+ 4 40 1 TXO+ 39 1 TXOCT 2 1 TXI- S553-6500-D5 1 : 2CT 38 1 TXO37 1 RXI+ 5 36 1 RXICT 1 RXO- 6 2 TXI+ 7 2 TXI- 8 1:2 1:2 2 RXO+ 9 2 RXO- 10 3 TXI+ 3 TXI- 11 3 RXO- 14 4 TXI+ 4 TXI- 1:2 12 3 RXO+ 13 15 1:2 1 : 2CT 1,2 3.3V 2 1 TXI- 3 1 RXO+ 4 35 1 RXI- 1 RXO- 6 34 2 TXO+ 2 TXI+ 7 33 2 TXO32 2 RXI+ 2 TXI- 8 2 RXO+ 9 31 2 RXI- 2 RXO- 10 30 3 TXO+ 3 TXI+ 11 29 3 TXO- 3 TXI- 12 28 3 RXI+ 3 RXO+ 13 27 3 RXI26 4 TXO+ 3 RXO- 14 25 4 TXOCT 24 4 TXO23 4 RXI+ 19 22 4 RXICT 4 RXO- 20 21 4 RXI- 4 TXI+ 15 3,4 GND 16 4 TXI- 17 4 RXO+ 18 3,4 3.3V Line Side 1 : 2CT 1 5 17 1 : 2CT 1 TXI+ 1,2 GND 16 4 RXO+ 18 IC Side Line Side IC Side 19 S U R G E 40 1 TXO+ 39 1 TXOCT 38 1 TXO- 1 : 2CT 37 1 RXI+ 36 1 RXICT 35 1 RXI- P R O T E C T I O N D E V I C E S 4 RXO- 20 ©2005 Bel Fuse Inc. 1:2 1:2 34 2 TXO+ 33 2 TXO32 2 RXI+ 31 2 RXI- 1:2 30 3 TXO+ 29 3 TXO- 1:2 28 3 RXI+ 27 3 RXI- 1 : 2CT 26 4 TXO+ 25 4 TXOCT 24 4 TXO- 1 : 2CT 23 4 RXI+ 22 4 RXICT 21 4 RXI- Specifications subject to change without notice. 05.05 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 Octal Transformer Modules TM01119 Meets or exceeds all circuit requirements for: MECHANICAL PMC Sierra PM4318 Intel LXT384, LXT386 Conexant CN8380 Exar XRT5997, XRT81L27, XRT82L24, XRT82L34, XRT82L38 S553-6500-D4 and S553-6500-D5 0.070 [1.78] ref 1.100 [27.94] max 0.050 [1.27] 0.645 [16.38] 0.480 [12.19] 0.020 ±0.002 [0.51 ±0.05] 0.050 [1.27] 0.070 [1.78] 0.030 [0.77] ø0.015 [0.39] Suggested PCB Pad Layout ø0.005 [0.13] S553-6500-D4 0.212 [5.38] ref 0.225 [5.72] max 0.950 [24.13] 0.035 [0.89] 0.004 [0.10] 0.600 [15.24] 0.005 [0.13] min 0˚- 5˚ ø0.015 [0.39] ø0.005 [0.13] S553-6500-D5 0.265 [6.73] ref 0.004 [0.10] 0.005 [0.13] min 0.295 [7.49] max 0.950 [24.13] 0.035 [0.89] 0˚- 5˚ 0.600 [15.24] Dimensions are in inches [millimeters]. Standard dimension tolerance is ±0.005 [0.13] unless otherwise noted. S553-6500-D5 Surge Protection Devices TVS Diode Array: Semtech SRDA3.3-4 Number of arrays: 4 Note: Surge protection provided by the Bel module is equivalent to that advertised in the Semtech SRDA3.3-4 product specification. Tape and Reel Packaging 44 mm wide by 24 mm pitch; 13 inch OD, 6 inch ID 200 modules per reel, maximum Meets ANSI/EIA 481-2 Carrier Tape Standards - JEDEC SO Package ©2005 Bel Fuse Inc. Specifications subject to change without notice. 05.05 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