S553-6500-A7 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – HIGH FREQUENCY MAGNETICS T1/E1 Octal Transformer Modules

HIGH FREQUENCY MAGNETICS
T1/E1 Octal Transformer Modules
• Optimized for PMC-Sierra PM4354 Quad COMET
• Operating temperature range -40° to +85°C
TM01109
• Eight transformers in one surface-mount package
• Meets IEC 695, 2-2 flammability requirements
• Two modules:
S553-6500-A7 with eight transformers
S553-6500-A8 with eight transformers and IC-side
surge protection devices
• Tight ratio tolerance assists impedance matching
• Meets ITU-T G.703 return loss from -40° to +85° C
ELECTRICAL SPECIFICATIONS at 25° C
• 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-A7 file number E150991
S553-6500-A8 pending
Part Number
Turns Ratio
±2%
IC : Line
TX
RX
Primary
Inductance¹
µH min
Leakage
Inductance¹
µH max
DCR
Ω
max
Interwinding
Capacitance
pF max
Return Loss at 102 kHz
120Ω Application²
25° C
dB typ
-40 to +85° C
dB min
IC Side
IC Side
IC Side Line Side
TX
RX
TX
RX
S553-6500-A7 1 : 2.42 1 : 2.42
950
0.3
0.6
1.3
35
18
27
17
24
S553-6500-A8 1 : 2.42 1 : 2.42
950
0.3
0.6
1.3
35
18
27
17
24
1. Inductance at 10 kHz, leakage inductance at 1 MHz
2. Terminated in 25.4 Ω for TX and 18.2 Ω for RX
SCHEMATIC
IC Side
1 TXI+ 1
2
1 TXI- 3
1 RXO+ 4
1 RXO- 5
2 TXI+ 6
7
2 TXI- 8
2 RXO+ 9
2 RXO- 10
3 TXI+ 11
12
3 TXI- 13
3 RXO+ 14
3 RXO- 15
4 TXI+ 16
17
4 TXI- 18
4 RXO+ 19
4 RXO- 20
S553-6500-A7
1 : 2.42
1 : 2.42
1 : 2.42
1 : 2.42
1 : 2.42
1 : 2.42
1 : 2.42
1 : 2.42
Line Side
40 1 TXO+
39
38 1 TXO-
37 1 RXI+
36 1 RXI-
35 2 TXO+
34
33 2 TXO-
32 2 RXI+
31 2 RXI-
30 3 TXO+
29
28 3 TXO-
27 3 RXI+
26 3 RXI-
25 4 TXO+
24
23 4 TXO-
22 4 RXI+
21 4 RXI-
IC Side
1 TXI+ 1
1,2 3.3V 2
1 TXI- 3
1 RXO+ 4
1 RXO- 5
2 TXI+ 6
1,2 GND 7
2 TXI- 8
2 RXO+ 9
2 RXO- 10
3 TXI+ 11
3,4 3.3V 12
3 TXI- 13
3 RXO+ 14
3 RXO- 15
4 TXI+ 16
3,4 GND 17
4 TXI- 18
4 RXO+ 19
4 RXO- 20
S553-6500-A8
1 : 2.42
S
U
R
1 : 2.42
G
E
1 : 2.42
P
R
O
1 : 2.42
T
E
C
T
1 : 2.42
I
O
N
1 : 2.42
D
E
1 : 2.42
V
I
C
E
1 : 2.42
S
Line Side
40 1 TXO+
39
38 1 TXO-
37 1 RXI+
36 1 RXI-
35 2 TXO+
34
33 2 TXO-
32 2 RXI+
31 2 RXI-
30 3 TXO+
29
28 3 TXO-
27 3 RXI+
26 3 RXI-
25 4 TXO+
24
23 4 TXO-
22 4 RXI+
21 4 RXI-
©2005 Bel Fuse Inc. Specifications subject to change without notice. 05.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
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