HIGH FREQUENCY MAGNETICS T1/E1 Octal Transformer Module TM02136 • Optimized for PMC Sierra PM4318 • Operating temperature range -40° to +85°C • Eight transformers and four common mode chokes in one surface mount package • Meets IEC 695, 2-2 flammability requirements • • Interchangeable with S553-6500-D4 which has no common mode chokes PWB Process Capability: standard printed wiring board assembly techniques, total-immersion cleaning • • Choke performance optimized for T1 and E1 applications (see table) Reliability testing: Shock, vibration, temperature cycling, temperature - humidity - bias • Interwinding breakdown voltage: 1500 Vrms min • Meets ITU-T G.703 return loss from -40° to +85° C from 51 kHz to 3.072 MHz • 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 C w/w Part Number IC Side Line Side pF max S553-6500-F6 TX RX TX RX TX RX TX RX TX RX 1:2 1:2 1.5 1.5 0.3 0.3 0.7 0.7 2.0 1.3 35 Return Loss at 102 kHz 120Ω Application1 25° C dB typ -40 to +85° C dB min TX RX TX RX 20 21 18 18 Common mode attenuation for transmit interface is centered at 24th harmonic of T1 and E1 clock frequencies: S553-6500-F6 41 dB typical at 37 MHz (T1 harmonic) 41 dB typical at 49 MHz (E1 harmonic) 1. Terminated in 36 Ω for TX and 27 Ω for RX SCHEMATIC 1 TXI+ IC Side 1 S553-6500-F6 1 TXI- Line Side 1 : 2CT 40 TXO+ 2 39 TXOCT 3 38 TXO- 37 RXI+ 36 RXICT 35 RXI- 34 TXO+ 1 RXO+ 4 1 : 2CT 5 1 RXO- 6 2 TXI+ 7 2 TXI- 8 2 RXO+ 9 1:2 1:2 2 RXO- 10 11 1:2 3 TXI- 12 3 RXO+ 13 1:2 3 TXI+ 33 TXO- 32 RXI+ 31 RXI- 30 TXO+ 29 TXO- 28 RXI+ 27 RXI- 26 TXO+ 16 25 TXOCT 17 24 TXO- 23 RXI+ 19 22 RXICT 4 RXO- 20 21 RXI- 3 RXO- 14 4 TXI+ 4 TXI- 15 4 RXO+ 18 1 : 2CT 1 : 2CT ©2002 Bel Fuse Inc. Specifications subject to change without notice. 06.02 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 Module TM02135 MECHANICAL S553-6500-F6 1.100 [27.94] max 0.070 [1.78] ref 0.050 [1.27] 0.645 [16.38] 0.480 [12.19] 0.050 [1.27] 0.212 [5.38] ref 0.020 ±0.002 [0.51 ±0.05] 0.070 [1.78] R 0.015 [0.39] 0.030 [0.77] Suggested PCB Pad Layout R 0.005 [0.13] 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˚ Dimensions are in inches [millimeters]. Standard dimension tolerance is ±0.005 [0.13] unless otherwise noted. 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 ©2002 Bel Fuse Inc. Specifications subject to change without notice. 06.02 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