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S553-6500-26 Datasheet, PDF (1/1 Pages) Bel Fuse Inc. – T1/CEPT/ISDN-PRI TRANSFORMER
TM0004
defining a degree of excellence
T1/CEPT/ISDN-PRI TRANSFORMER
S553-6500-26
Bel offers a dual, T1, surface mount
transformer packaged to provide both transmit
and receive transformers. This design is
easily customized for other leading transceiver
chips by adjusting the turns ratio.
* Dielectric Strength 1500 VAC.
* Extended Temperature Range is
-40oC to 85oC.
MECHANICALS
0.675(17.15)
12
Max
7
SCHEMATIC
Secondary
12
11
10
Secondary
9
8
7
1
2
3
Primary
4
5
6
Primary
SUGGESTED
0o -5o
PAD LAYOUT
0.500
(12.7)
0.60
(15.24)
Max
belDate Code
S553-6500-26
0.400 0.470
(10.16) (11.94)
Max Max
0.400 0.640
(10.2) (16.3)
1
6
0.10(2.54)
0.03(0.76)
0.340
(8.64)
Max
0.055
(1.40)
0.015(0.38)Min
0.02(0.51) Max
0.05(1.3) Typ
0.10(2.5) Typ
ELECTRICALS @ 25o C
Part
Number
Turns Ratio +/- 2%
Pins (10-12):(1-3) Pins (4-6):(7-9)
S553-6500-26 1CT:1.CT
1CT:2CT
All dimensions are in inches(mm).
Dimension Tolerance is +/-0.01(0.25)
unless otherwise specified.
Part
Number
Primary
Inductance
OCL (mH) Min
Pins (1-3) and
Pins (4-6)
Leakage
Inductance
LL (µH) Max
Pins (1-2) and
Pins (4-6)
Interwinding
Capacitance
(pF) Max
Pins (1,2,3) to Pins (10,11,12)
and Pins (4,5,6) to Pins (7,8,9)
DCR (ohms)
Max
Dielectric
Strength
(VAC)
Pins Pins Pins Pins
(1-3) (4-6) (7-9) (10-12)
S553-6500-26
1.2
0.8
50
1.0 1.0 1.8 1.0 1500
Dielectric Strength is measured Pins (1,2,3) to Pins (10,11,12) and Pins (4,5,6) to Pins (7,8,9).
Primary Inductance, Leakage Inductance, and Interwinding Capacitance are measured at 100KHz, 0.02VAC.
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
T103
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