S553-6500-C7

HIGH FREQUENCY MAGNETICS T1/E1 Mini-Octal Transformer Module • • • Optimized for line interface devices listed on next page Eight transformers in a single surface mount package Miniature octal 32-pin platform provides 33% area reduction compared to standard octal package Electrically identical to S553-6500-B7 Meets ITU-T G.703 return loss from -40° to +85° C • • UL 1950 approved: file number E150991 Interwinding breakdown voltage: 1500 Vrms min • • • 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 TM01121 • • • ELECTRICAL SPECIFICATIONS at 25° C Turns Ratio ±2% Part Number IC : Line TX S553-6500-C7 1 : 1.36 RX 1:1 mH min TX 1.6 RX 1.8 µH max TX 0.6 RX 0.5 IC Side TX 0.6 RX 0.6 Line Side TX 0.7 RX 0.6 Winding to Winding 35 Primary Inductance at 10 kHz Leakage Inductance at 1 MHz DCR Ω max Capacitance pF max Return Loss at 102 kHz 120Ω Application1 25° C dB typ TX 21 RX 30 -40 to +85° C dB min TX 18 RX 19 1. Terminated in 54 Ω for TX and 120 Ω for RX SCHEMATIC IC Side 1 TXI+ 1 TXI1 2 S553-6500-C7 Line Side 1 : 1.36 32 1 TXO+ 31 1 TXO1:1 30 1 RXI+ 29 1 RXI1 : 1.36 28 2 TXO+ 27 2 TXO1:1 26 2 RXI+ 25 2 RXI1 : 1.36 24 3 TXO+ 23 3 TXO1:1 22 3 RXI+ 21 3 RXI1 : 1.36 20 4 TXO+ 19 4 TXO1:1 18 4 RXI+ 17 4 RXI©2001 Bel Fuse Inc. Specifications subject to change without notice. 12.01 1 RXO+ 3 1 RXO- 4 2 TXI+ 5 2 TXI6 2 RXO+ 7 2 RXO- 8 3 TXI+ 9 3 TXI- 10 3 RXO+ 11 3 RXO- 12 4 TXI+ 13 4 TXI14 4 RXO+ 15 4 RXO- 16 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 TM01121 T1/E1 Mini-Octal Transformer Module MECHANICAL Meets or exceeds all circuit requirements for: Dallas DS21Q48, DS21Q552, DS21Q554, Intel LXT334, LXT335 Conexant BT8370, BT8375, BT8376 S553-6500-C7 1.050 [26.67] max 0.050 [1.27] 0.425 0.300 [10.80] [7.62] max 0.050 [1.27] pitch 0.465 [11.81] 0.070 [1.78] 0.020 ±0.002 [0.51 ±0.05] 0.025 [0.64] R0.005 [R0.13] typ R0.005 [R0.13] typ 0.290 [7.37] max 0.004 0˚-5˚ 0.750 [19.05] 0.010 [0.25] min 2X 0.035 [0.89] 2X 0.060 [1.52] Dimensions are in inches [millimeters]. Standard dimension tolerance is ±0.005 [0.13] unless otherwise noted. Tape and Reel Packaging 44 mm wide by 16 mm pitch; 13 inch OD, 4 inch ID 400 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. 12.01 CORPORATE 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 page 2