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defining a degree of excellence
T1 CARRIER INTERFACE TRANSFORMERS T1/CEPT Telecom Line Interface Applications
TM0006
Bel provides transformer magnetics in several package and schematic variations for T1/CEPT Telecom Line Interface Applications. Bel's high quality semi-automated processes provide superior single small form, and standard dual transformers.
* 2000 Vrms Isolation. * Primary Inductance is 1.20mH minimum. * Primary DCR is 0.80 ohms maximum. * Custom designs available upon request.
ELECTRICALS
Part Number A553-0013-00 A553-0013-01 A553-0013-03 A553-0013-05
@ 25o C
Turns Ratio (+/- 5%)
A553-0013-06 A553-0013-07 A553-0013-08 0553-0013-IC 0553-0013-AC 0553-0013-BC 0553-0013-HC 0553-0013-1J 0553-0013-2J 0553-0013-4J 0553-0013-RC 0553-0013-SC 0553-1167-00
1:1.385CT/1:1:1 1CT:2CT/1:1 1:1.385CT/1:1CT Pins (1-2):(14:12) 1:1 (1-3):(14:12) 1.25:1 (5-7):(10:8) 1:2CT 1:2CT/1:2CT 1:1.15CT/1:2CT 1:1:1.266/1:2CT 1:1:1 1:1 1CT:1 1CT:2CT 1:2CT/1:2CT 1:2CT/1:1.36 1CT:2CT/1:1 1:1.15CT 1:1:1.266 1:1:1.266/1:2CT
Leakage Inductance LL (uH) Max 0.80/0.50 0.80/0.50 0.80/0.50 0.50/0.50/0.80
Coupling Capacitance Cww (pF) Max 35 35 35 50
Sec DCR (ohms) Max 0.80 1.8/0.80 0.80/0.80 0.80/0.80/1.8
#Pins on Package and Style 16 Topper 14 Topper 14 Topper 14 Topper
Schem. A B C C
0.80/0.80 0.50/0.80 0.80/0.80 0.50 0.50 0.50 0.80 0.80/0.80 0.80/0.80 0.80/0.50 0.50 0.80 0.50/0.60
35 35 35 35 35 35 35 35 35 35 35 35 35/40
1.8/1.8 0.80/1.8 0.80/1.8 0.80 0.80 0.80 1.8 1.8/1.8 1.8/0.80 1.8/0.8 0.80 0.80 0.80/1.8
14 Topper 14 Topper 14 Topper 6 "T" Topper 6 "T" Topper 6 "T" Topper 6 "T" Topper 14 DIL 14 DIL 14 DIL 6 "T" Topper 6 "T" Topper 14 DIL
C C C E F G K C D B G E C
Schematic and Mechanical information for the above components are located on the facing page.
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 * Tel: 201-432-0463 * Fax: 201-432-9542 * E-Mail: BelFuse@belfuse.com
Website: http://www.belfuse.com
T105
defining a degree of excellence
T1 CARRIER INTERFACE TRANSFORMERS
TM0006
SCHEMATICS
Secondary
16
15
14
12
11 10
9
A
Secondary
Primary
B
8 14
Primary
Secondary
C
8
14
13
12 11 10
9
13
12 11 10
9
1
Primary Primary
2
3
4
5
6
7
Secondary
8
1
2
Primary
3
4
5
Secondary
6
7
1
Secondary
2
3
4
5
Primary
6
7
14
13
12
11 10
9
8
D
5 3 1
E
6 4 2
5 3 1
6 4 2
F
5 3 1
G
6 4 2
1
2
Secondary
3
4
5
6
Primary
7
MECHANICALS
Package Style (14/16 Pins)
0.325(8.26)
Package Style DIL
Note: 0553-1167-00 is missing pins 4 and 11, and is 0.80" long and 0.25" high from seating plane.
1.00(25.40) Max
5 3 1
6 4 2
K
bel
Date Code
Part Number
0.29(7.37) Max 0.28(7.11) 0.10(2.54)
0.80(20.30) Max 0.23(5.84) Max 0.12(3.05) Min
0.20(5.08)
Max
0.010(0.25) 0.34(8.64) Cross Sectional View
bel
Date Code
Part Number
0.385(9.78) Max
0.018(0.46) Ref 0.045(1.14)Ref Note: For 14 Pin package, external package dimensions and pin distances are identical. There are only seven pins per side.
0.20(5.08) MAX # 24 AWG Solder Plated 0.20(5.08) Min
Package Style "T"
0.35(8.89) Max 0.50(12.70) Min 0.10(2.54)
0.30(7.62) 0.50(12.70) Max 0.40(10.16)
0.10(2.54)
Note: For 0553-0013-BC the pin length is 0.120" +0.2/-0"
0.25(6.35) Max
Dimensions are in inches(mm). Dimension Tolerance is +/- 0.02(0.51) unless otherwise specified.
0.20(5.08)
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
T106

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