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HIGH FREQUENCY MAGNETICS
T1/E1 Octal Transformer Modules
* * * Optimized for PMC-Sierra PM4318, 75 option Eight transformers in one surface-mount package Two modules: S553-6500-E3 with eight transformers S553-6500-E4 with eight transformers and IC-side surge protection devices Four transformers have center taps to facilitate Simplex line powering Meets ITU-T G.703 return loss from -40 to +85 C * * * Operating temperature range -40 to +85C 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 UL 1950 approved: S553-6500-E3 file number E150991 S553-6500-E4 pending
TM01108
*
*
* *
*
ELECTRICAL SPECIFICATIONS at 25 C
Turns Ratio 2% Part Number IC : Line TX S553-6500-E3 S553-6500-E4 1 : 1.58 1 : 1.58 RX 1 : 1.58 1 : 1.58 H min TX 950 950 RX 950 950 H max TX 0.3 0.3 RX 0.3 0.3 IC Side TX 0.6 0.6 RX 0.6 0.6 Line Side TX 0.8 0.8 RX 0.8 0.8 Winding to Winding 35 35 Primary Inductance at 10 kHz Leakage Inductance at 1 MHz DCR max Capacitance pF max Return Loss at 102 kHz 75 Application1 25 C dB typ TX 20 20 RX 27 27 -40 to +85 C dB min TX 18 18 RX 23 23
1. Terminated in 36 for TX and 27 for RX
SCHEMATIC
S553-6500-E3
IC Side 1 TXI+ 1 2 3 1 RXO+ 4 5 1 RXO2 TXI+ 2 TXI6 7 8 1 : 1.58 1 TXI1 : 1.58CT 1 : 1.58CT Line Side 40 1 TXO+ 39 1 TXOCT 38 1 TXO37 1 RXI+ 36 1 RXICT 35 1 RXI34 2 TXO+ 33 2 TXO32 2 RXI+ 31 2 RXI1 : 1.58 30 3 TXO+ 29 3 TXO1 : 1.58 28 3 RXI+ 27 3 RXI26 4 TXO+ 25 4 TXOCT 24 4 TXO1 : 1.58CT 23 22 21 4 RXI+ 4 RXICT 4 RXIIC Side 1 TXI+ 1,2 3.3V 1 TXI1 2 3
S553-6500-E4
Line Side 1 : 1.58CT 40 1 TXO+ 39 1 TXOCT 38 1 TXO1 : 1.58CT 37 1 RXI+ 36 1 RXICT 35 1 RXI1 : 1.58
1 RXO+ 4 1,2 GND 1 RXO2 TXI+ 2 TXI5 6 7 8
S U R G E P R O T E C T I O N D E V I C E S
34 2 TXO+ 33 2 TXO32 2 RXI+ 31 2 RXI-
1 : 1.58
2 RXO+ 9 2 RXO- 10 3 TXI+ 11
1 : 1.58
2 RXO+ 9 2 RXO- 10 3 TXI+ 3 TXI11 12
1 : 1.58
30 3 TXO+ 29 3 TXO-
3 TXI- 12 3 RXO+ 13 3 RXO- 14 4 TXI+ 3,4 GND 4 TXI15 16 17
1 : 1.58
28 3 RXI+ 27 3 RXI-
3 RXO+ 13 3 RXO- 14 4 TXI+ 15 16 4 TXI17
1 : 1.58CT
26 4 TXO+ 25 4 TXOCT 24 4 TXO-
1 : 1.58CT
4 RXO+ 18 3,4 3.3V 19
1 : 1.58CT
23 22 21
4 RXI+ 4 RXICT 4 RXI-
4 RXO+ 18 19 4 RXO- 20
4 RXO- 20
(c)2005 Bel Fuse Inc.
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
TM01108
T1/E1 Octal Transformer Modules
MECHANICAL
0.070 [1.78] ref
S553-6500-E3 S553-6500-E4
1.100 [27.94] max
0.050 [1.27]
0.480 [12.19]
0.645 [16.38]
0.070 [1.78]
0.050 [1.27]
0.020 0.002 [0.51 0.05]
0.030 [0.77] Suggested PCB Pad Layout
o0.015 [0.39]
S553-6500-E3
0.212 [5.38] ref 0.950 [24.13] 0.225 [5.72] max 0.035 [0.89] 0.600 [15.24] 0.005 [0.13] min 0- 5
o0.005 [0.13]
0.004 [0.10]
S553-6500-E4
0.265 [6.73] ref 0.950 [24.13]
o0.015 [0.39] o0.005 [0.13]
0.004 [0.10]
0.295 [7.49] max 0.035 [0.89]
0.005 [0.13] min 0.600 [15.24]
0- 5
Dimensions are in inches [millimeters]. Standard dimension tolerance is 0.005 [0.13] unless otherwise noted.
S553-6500-E4 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.
CORPORATE
Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
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
(c)2005 Bel Fuse Inc.
Specifications subject to change without notice. 05.05
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
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