defining a degree of excellence
SURFACE MOUNT T1 CARRIER
INTERFACE TRANSFORMERS
T1/CEPTTelecomLineInterfaceApplications
TM0007
Bel offers a new cost effective package on our
standardT1/CEPTTelecomInterfaceLine
Transformers.Thissixteenlead,surfacemount
package, provides a superior, cost effective,
qualityproduct.
ELECTRICALS @ 25o C
Leakage
Inductance
LL(µH)Max
DCR
(ohms) Max
TurnsRatio
T1/T2
Part
Number
Schematic
S553-0013-00 1:1.385CT/1:1:1
A
B
C
D
D
D
0.80/0.50
0.80/0.50
0.80/0.80
0.80/0.80
0.50/0.80
0.80/0.80
0.80
S553-0013-01
S553-0013-02
S553-0013-03
1CT:2CT/1:1
1:2CT/1:1.36
1:2CT/1:2CT
1.80/0.80
1.80/0.80
0.80/1.80
0.80/1.80
0.80/1.80
S553-0013-06 1:1.15CT/1:2CT
S553-0013-07 1:1:1.266/1:2CT
SCHEMATICS
Secondary
Primary
Primary
Secondary
Secondary
B
9
C
A
16
1
10
14
12
10
15
11
10
16
1
14
13 12 11
9
8
15
13
11
16
14
13 12
15
9
7
8
2
3
4
5
6
1
2
3 4 5
6
7
8
2
3 4 5
6
7
Primary
Secondary
Secondary
Primary
Primary
Secondary
Primary
D
9
The Bel Surface Mount “TopperTM” package offers an
industry standard package size and pin-out at an
aggressive price.
14
13
11
16
1
15
12
10
Dimensions are in inches(mm).
Dimension Tolerance is +/- 0.02(0.51)
unless otherwise specified.
2
3 4 5
6
8
7
Secondary
Primary
Package Style SMT
MECHANICALS
0.485(12.32)
Max
Top
View
0.375(9.53)
0.215(5.46)
0.012(0.31)
0.008(0.20)
0.350(8.89)
0.285(7.24)
Max
Date Code
bel
PartNumber
Max
4o Nom
0.350(8.89)
+/-
0.005(0.13)
0.015(0.38)
0.004(0.10)
0.025(0.64)
0.015(0.38)
0.018(0.45)
+/- 0.002(0.05)
0.05(1.27)Typ.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
T107