S553-6500-B8 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – HIGH FREQUENCY MAGNETICS T1/E1 Octal Transformer Modules

HIGH FREQUENCY MAGNETICS
T1/E1 Octal Transformer Modules
TM01122
• Optimized for all Dallas 3.3V devices and Intel LXT380, • Operating temperature range -40° to +85°C
LXT381 devices
• Meets IEC 695, 2-2 flammability requirements
• Eight transformers in one surface mount package
• PWB Process Capability: standard printed wiring board
• Two modules:
assembly techniques, total-immersion cleaning
S553-6500-B8 with transformers and IC-side surge
protection devices
• Reliability testing: Shock, vibration, temperature cycling,
S553-6500-B9 with transformers only
temperature - humidity - bias
• Meets ITU-T G.703 return loss from -40° to +85° C
• Interwinding breakdown voltage: 1500 Vrms min
• UL 1950 approved: file number E150991
ELECTRICAL SPECIFICATIONS at 25° C
Part Number
Turns Ratio
±2%
Primary
Inductance
at 10 kHz
mH min
Leakage
Inductance
at 1 MHz
µH max
TXI : TXO RXI : RXO TXI RXI TXI RXO TXI
DCR
Ω
max
TXO RXI
Interwinding
Capacitance
pF max
Return Loss at 102 kHz
120Ω Application¹
25° C
dB typ
-40 to +85° C
dB min
RXO
TX
RX
TX
RX
S553-6500-B8
1:2
1:1
1.5
1.8
0.3
0.5
0.6
1.2
0.6
0.6
35
19
30
18
19
S553-6500-B9
1:2
1:1
1.5
1.8
0.3
0.5
0.6
1.2
0.6
0.6
35
19
30
18
19
1. Terminated in 23.2 Ω for TX and 120 Ω for RX
SCHEMATIC
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
S553-6500-B8
1:2
S
U
1:1
R
G
E
1:2
P
R
O
T
1:1
E
C
T
1:2
I
O
N
1:1
D
E
V
1:2
I
C
E
S
1:1
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+
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
S553-6500-B9
1:2
1:1
1:2
1:1
1:2
1:1
1:2
1:1
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+
4 RXO- 20
21 4 RXI-
4 RXO- 20
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
page 1