HIGH FREQUENCY MAGNETICS
T1/E1 Octal Transformer Modules
ELECTRICAL SPECIFICATIONS at 25° C
Turns Ratio
± 3%
Part Number
TXIN : TXO
S553-5692-08
S553-5692-09
S553-6500-35
S553-6500-40
S553-6500-43
S553-6500-44
S553-6500-55
S553-6500-58
S553-6500-61
S553-6500-66
S553-6500-69
1 : 1.36
1 : 1.14
1 : 2CT
1 : 2CT
1 : 1.36
1 : 1.15
1CT : 2
1 : 1.36CT
1 : 1.41
1 : 2.42
1 : 1.36CT
RXIN : RXO
1 : 1.36CT
1 : 1.14CT
1 : 2CT
1CT : 1
1:1
1:1
1 : 2CT
1 : 1CT
1 : 1.41
2.42 : 1
1 : 2CT
Primary
Inductance
mH min
Leakage
Inductance
µ
H max
Interwinding
Capacitance
pF max
DCR
Ω
max
TM00132
RXIN/TXIN
1.25
1.25
1.2
1.2
1.2
1.2
1.2
1.2
1.5
1.5
1.2
RXIN/TXIN
0.8
0.8
0.8
0.6
0.6
0.6
0.6
0.6
0.6
0.5
0.6
RXIN/TXIN
35
35
40
40
40
40
40
35
40
35
40
TXIN
1.9
2.2
0.9
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
TXO
2.8
2.6
1.8
1.4
1.0
0.85
1.4
1.0
1.0
1.0
1.0
RXIN
1.9
2.2
0.9
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
RXO
2.8
2.6
1.8
1.4
0.7
0.7
1.4
0.35
1.0
1.0
1.4
MECHANICAL
S553-5692-08
S553-5692-09
S553-6500-35
S553-6500-40
S553-6500-43
S553-6500-44
S553-6500-55
S553-6500-58
S553-6500-61
S553-6500-66
S553-6500-69
0.070
[1.78] ref
0.020 +0.002
[0.51 +0.05]
0.030
[0.76]
0.050
[1.27]
0.070
[1.78]
0.480
[12.19]
0.645
[16.38]
0.050 [1.27]
1.100
[27.94] max
0.212
[5.38] ref
0.950
[24.13]
Suggested PCB Pad Layout
R 0.015
[0.38]
R 0.005
[0.13]
0.225
[5.72] max
0.035
[0.89]
0.010 - 0.015
[0.25 - 0.38]
0˚ - 5˚
0.004 [0.10]
0.600
[15.24]
Dimensions are in inches [millimeters].
Standard dimension tolerance is ±0.005 [0.13] unless otherwise noted.
©2000 Bel Fuse Inc. Specifications subject to change without notice. 06.01
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
T1-71
HIGH FREQUENCY MAGNETICS
TM00132
T1/E1 Octal Transformer Modules
S553-5692-08
TXIN+
TXIN-
RXO+
RXOCT
RXO-
TXIN+
TXIN-
1
2
3
4
5
6
7
1.36 : 1
1.36 : 1
1 : 1.36
40 TXO+
39 TXO-
38 RXIN+
36 RXIN-
1 : 1.36
35 TXO+
34 TXO-
33 RXIN+
31 RXIN-
1 : 1.36
30 TXO+
29 TXO-
1.36 : 1
28 RXIN+
26 RXIN-
1 : 1.36
25 TXO+
24 TXO-
1.36 : 1
23 RXIN+
21 RXIN-
SCHEMATICS
S553-5692-09
TXIN+
TXIN-
RXO+
RXOCT
RXO-
TXIN+
TXIN-
1
2
3
4
5
6
7
1.14 : 1
1.14 : 1
1 : 1.14
40 TXO+
39 TXO-
38 RXIN+
36 RXIN-
1 : 1.14
35 TXO+
34 TXO-
33 RXIN+
31 RXIN-
1 : 1.14
30 TXO+
29 TXO-
1.14 : 1
28 RXIN+
26 RXIN-
1 : 1.14
25 TXO+
24 TXO-
1.14 : 1
23 RXIN+
21 RXIN-
RXO+ 8
RXOCT 9
RXO- 10
TXIN+ 11
TXIN- 12
RXO+ 13
RXOCT 14
RXO- 15
TXIN+ 16
TXIN- 17
RXO+ 18
RXOCT 19
RXO- 20
RXO+ 8
RXOCT 9
RXO- 10
TXIN+ 11
TXIN- 12
RXO+ 13
RXOCT 14
RXO- 15
TXIN+ 16
TXIN- 17
RXO+ 18
RXOCT 19
RXO- 20
S553-6500-35
2CT : 1
RXO+
RXOCT
RXO-
TXIN+
1
2
3
4
1 : 2CT
39 RXIN-
38
TXO+
40 RXIN+
S553-6500-40
TXIN+ 1
TXIN- 2
RXIN+ 3
RXINCT 4
RXIN- 5
TXIN+ 6
TXIN- 7
RXIN+ 8
RXINCT 9
RXIN- 10
TXIN+ 11
TXIN- 12
RXIN+ 13
RXINCT 14
RXIN- 15
TXIN+ 16
TXIN- 17
RXIN+ 18
RXINCT 19
RXIN- 20
1 : 2CT
1 : 2CT
1 : 2CT
1CT : 1
1 : 2CT
40 TXO+
39 TXOCT
38 TXO-
37 RXO+
36 RXO-
35 TXO+
34 TXOCT
33 TXO-
32 RXO+
31 RXO-
30 TXO+
29 TXOCT
28 TXO-
27 RXO+
26 RXO-
25 TXO+
24 TXOCT
23 TXO-
22 RXO+
21 RXO-
37 TXOCT
TXIN-
RXO+
RXOCT
RXO-
TXIN+
5
6
7
8
9
1 : 2CT
34 RXIN-
33
TXO+
2CT : 1
36 TXO-
35
RXIN+
1CT : 1
32 TXOCT
TXIN- 10
RXO+ 11
RXOCT 12
RXO- 13
TXIN+ 14
1 : 2CT
29 RXIN-
28
TXO+
2CT : 1
30 RXIN+
31 TXO-
1CT : 1
27 TXOCT
TXIN- 15
RXO+ 16
RXOCT 17
RXO- 18
TXIN+ 19
TXIN- 20
1 : 2CT
24 RXIN-
23
TXO+
2CT : 1
26 TXO-
25 RXIN+
1CT : 1
22 TXOCT
21 TXO-
©2000 Bel Fuse Inc. Specifications subject to change without notice. 06.01
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
T1-72
HIGH FREQUENCY MAGNETICS
T1/E1 Octal Transformer Modules
SCHEMATICS
S553-6500-43
1 : 1.36
TXIN+
1
40
38
1:1
37
36
1 : 1.36
35
33
1:1
32
31
1 : 1.36
30
RXIN+
RXIN-
TXO+
RXIN+
RXIN-
TXO+
TXO-
TXO+
TXO-
TM00132
S553-6500-44
1 : 1.15
TXIN+
1
40
38
1:1
37
36
1 : 1.15
35
33
1:1
32
31
1 : 1.15
30
RXIN+
RXIN-
TXO+
RXIN+
RXIN-
TXO+
TXO-
TXO+
TXO-
TXIN-
RXO+
3
4
TXIN-
RXO+
3
4
RXO-
TXIN+
TXIN-
RXO+
5
6
8
9
RXO-
TXIN+
TXIN-
RXO+
5
6
8
9
RXO- 10
TXIN+ 11
TXIN- 13
RXO+ 14
RXO- 15
1 : 1.36
TXIN+ 16
TXIN- 18
RXO+ 19
RXO- 20
1:1
1:1
RXO- 10
TXIN+ 11
28
27
26
25
23
22
21
TXO-
TXIN- 13
RXIN+
28
1:1
27
26
1 : 1.15
25
23
1:1
22
21
TXO-
RXIN+
RXIN-
TXO+
TXO-
RXIN+
RXIN-
RXO+ 14
RXIN-
TXO+
TXO-
RXIN+
RXIN-
RXO- 15
TXIN+ 16
TXIN- 18
RXO+ 19
RXO- 20
S553-6500-55
1CT : 2
TXIN+
TXINCT
TXIN-
RXO+
1
2
3
4
1 : 2CT
39 TXO-
38 RXIN+
37 RXINCT
RXO-
TXIN+
TXINCT
TXIN-
RXO+
5
6
7
8
9
1 : 2CT
34 TXO-
33 RXIN+
32 RINCT
RXO- 10
1CT : 2
TXIN+
11
30 TXO+
29 TXO-
1 : 2CT
28 RXIN+
27 RXINCT
RXO- 15
TXIN+ 16
TXINCT 17
TXIN- 18
RXO+ 19
RXO- 20
1 : 2CT
24
23
TXO-
RXIN+
1CT : 2
26 RXIN-
25 TXO+
TXINCT 12
TXIN- 13
RXO+ 14
31 RXIN-
1CT : 2
36 RXIN-
35 TXO+
40 TXO+
S553-6500-58
TXO+
TXOCT
TXO-
RXIN+
RXIN-
TXO+
TXOCT
TXO-
RXIN+
1
2
3
4
5
6
7
8
9
1 : 1CT
1.36CT : 1
1.36CT : 1
40 TXIN+
39 TXIN-
1 : 1CT
38 RXO+
37 RXOCT
36 RXO-
35 TXIN+
34 TXIN-
33 RXO+
32 RXOCT
31 RXO-
30 TXIN+
29 TXIN-
1 : 1CT
28 RXO+
27 RXOCT
26 RXO-
25 TXIN+
24 TXIN-
1 : 1CT
23 RXO+
22 RXOCT
21 RXO-
RXIN- 10
TXO+ 11
TXOCT 12
TXO- 13
RXIN+ 14
RXIN- 15
TXO+ 16
TXOCT 17
TXO- 18
RXIN+ 19
RXIN- 20
1.36CT : 1
1.36CT : 1
22 RXINCT
21 RXIN-
©2000 Bel Fuse Inc. Specifications subject to change without notice. 06.01
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
T1-73
HIGH FREQUENCY MAGNETICS
TM00132
T1/E1 Octal Transformer Modules
S553-6500-61
TXIN+
TXIN-
RXO+
RXO-
TXIN+
TXIN-
RXO+
RXO-
1
2
3
4
6
7
8
9
1 : 1.41
1.41 : 1
1 : 1.41
1.41 : 1
1 : 1.41
40 TXO+
39 TXO-
38 RXIN+
37 RXIN-
35 TXO+
34 TXO-
33 RXIN+
32 RXIN-
30 TXO+
29 TXO-
1.41 : 1
28 RXIN+
27 RXIN-
1 : 1.41
25 TXO+
24 TXO-
1.41 : 1
23 RXIN+
22 RXIN-
SCHEMATICS
S553-6500-66
TXIN+
TXIN-
RXO+
RXO-
TXIN+
TXIN-
RXO+
RXO-
1
2
3
4
6
7
8
9
1 : 2.42
1 : 2.42
1 : 2.42
1 : 2.42
1 : 2.42
40 TXO+
39 TXO-
38 RXIN+
37 RXIN-
35 TXO+
34 TXO-
33 RXIN+
32 RXIN-
30 TXO+
29 TXO-
1 : 2.42
28 RXIN+
27 RXIN-
1 : 2.42
25 TXO+
24 TXO-
1 : 2.42
23 RXIN+
22 RXIN-
TXIN+ 11
TXIN- 12
RXO+ 13
RXO- 14
TXIN+ 16
TXIN- 17
RXO+ 18
RXO- 19
TXIN+ 11
TXIN- 12
RXO+ 13
RXO- 14
TXIN+ 16
TXIN- 17
RXO+ 18
RXO- 19
S553-6500-69
TXO+
TXOCT
TXO-
RXIN+
RXIN-
TXO+
TXOCT
TXO-
RXIN+
1
2
3
4
5
6
7
8
9
1 : 2CT
1.36CT : 1
1.36CT : 1
40 TXIN+
39 TXIN-
1 : 2CT
38 RXO+
37 RXOCT
36 RXO-
35 TXIN+
34 TXIN-
33 RXO+
32 RXOCT
31 RXO-
30 TXIN+
29 TXIN-
1 : 2CT
28 RXO+
27 RXOCT
26 RXO-
25 TXIN+
24 TXIN-
1 : 2CT
23 RXO+
22 RXOCT
21 RXO-
©2000 Bel Fuse Inc. Specifications subject to change without notice. 06.01
•
Octal transformer solutions for T1/E1 applications
including concentrators, channel banks and cellular
base stations
Octals utilize Bel’s popular 40-pin SMD package
Designed to meet the stringent demands of high density
designs
Minimum interwinding breakdown voltage of 1500 Vrms
Designed for UL1459/UL1950
For operating temperature range of -40° to +85° C,
OCL is 600µH minimum at -40° C
•
•
RXIN- 10
TXO+ 11
TXOCT 12
TXO- 13
RXIN+ 14
RXIN- 15
TXO+ 16
TXOCT 17
TXO- 18
RXIN+ 19
RXIN- 20
1.36CT : 1
1.36CT : 1
•
•
•
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
T1-74
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