S553-6500-B8,S553-6500-B9

Part No.:
S553-6500-B8,S553-6500-B9
Download:
Download
Description:
HIGH FREQUENCY MAGNETICS T1/E1 Octal Transformer Modules
File Size:
97 K
Page:
2 Pages
Logo:
Maker:
BEL [ BEL FUSE INC. ]
PCB Prototype

July 16, 2018:

SC3425

SC668ULTRT

SD06H0SK

SD-45985-400

SD-48325-003

SD-503110-001

SD-95540-001

SDS2838F

SDS-30J

SDZ9V1

SF2120C

SF2204E-1

PCB Datasheet:1PCB Datasheet:1
HIGH FREQUENCY MAGNETICS
T1/E1 Octal Transformer Modules
Optimized for all Dallas 3.3V devices and Intel LXT380,
LXT381 devices
Eight transformers in one surface mount package
Two modules:
S553-6500-B8 with transformers and IC-side surge
protection devices
S553-6500-B9 with transformers only
Meets ITU-T G.703 return loss from -40° to +85° 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: file number E150991
Operating temperature range -40° to +85°C
Meets IEC 695, 2-2 flammability requirements
TM01122
ELECTRICAL SPECIFICATIONS at 25° C
Primary
Inductance
at 10 kHz
mH min
TXI : TXO
S553-6500-B8
S553-6500-B9
1:2
1:2
RXI : RXO
1:1
1:1
TXI
1.5
1.5
RXI
1.8
1.8
Leakage
Inductance
at 1 MHz
µH max
TXI
0.3
0.3
RXO
0.5
0.5
TXI
0.6
0.6
TXO
1.2
1.2
RXI
0.6
0.6
RXO
0.6
0.6
35
35
DCR
max
Return Loss at 102 kHz
120
Application
1
Interwinding
Capacitance
pF max
25° C
dB typ
TX
19
19
RX
30
30
-40 to +85° C
dB min
TX
18
18
RX
19
19
Part Number
Turns Ratio
±2%
1. Terminated in 23.2
for TX and 120
for RX
SCHEMATIC
IC Side
1 TXI+
1,2 3.3V
1 TXI-
1
2
3
S553-6500-B8
Line Side
1:2
40 1 TXO+
39
S553-6500-B9
IC Side
1 TXI+
1
2
1 TXI-
3
1:1
1:2
Line Side
40 1 TXO+
39
38 1 TXO-
37 1 RXI+
36 1 RXI-
1:2
35 2 TXO+
34
33 2 TXO-
1:1
32 2 RXI+
31 2 RXI-
1:2
30 3 TXO+
29
28 3 TXO-
1:1
27 3 RXI+
26 3 RXI-
25 4 TXO+
24
1:1
23 4 TXO-
22 4 RXI+
21
4 RXI-
1 RXO+ 4
1 RXO-
2 TXI+
1,2 GND
2 TXI-
5
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
38 1 TXO-
1:1
37 1 RXI+
36 1 RXI-
1:2
35 2 TXO+
34
33 2 TXO-
1:1
32 2 RXI+
31 2 RXI-
1:2
30 3 TXO+
29
28 3 TXO-
1:1
27 3 RXI+
26 3 RXI-
25 4 TXO+
24
23 4 TXO-
1:1
22 4 RXI+
21
4 RXI-
1 RXO+ 4
1 RXO-
2 TXI+
5
6
7
2 TXI-
8
2 RXO+ 9
2 RXO- 10
3 TXI+
3,4 3.3V
11
12
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
3 TXI- 13
3 RXO+ 14
3 RXO- 15
4 TXI+
3,4 GND
4 TXI-
16
17
18
1:2
1:2
4 RXO+ 19
4 RXO-
20
4 RXO+ 19
4 RXO-
20
©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