ISDN - SO Miniature Interface Transformer
Features
•
designedforoptimumcompatabilitywithallestablished
interfaceIC’s
•
•
•
excellentandconsistentbalancebetweenwindings
miniaturesurfacemountpackage
compliesfullywithCCITT.I.430recommendationsand
correspondingnationalstandardsforS-Interface
manufacturedinISO-9001.2000approvedTalemafacility
operatingtemperature: 0to70°C
•
•
Electrical Specifications @ 25°C
Standard Packaging: Tape and Reel
Surface Mount S Interface Transformers
0
L
L
C
R
P
R
S
V
P
(Vrms)
N
L
C
CU
CU
Part Number
Turns Ratio
(mH Min)
(µH Max)
(pF Max)
(Ohms)
3,8
(Ohms)
3,8
ISJ-100B
ISJ-140B
25
25
1 : 1
1 : 2
2.0
60
50
1500
2.0
4,0
8,0
1500
Test conditions
Inductance (Lo): Line side windings in series - measurement @ 10kHz, 100mV
Polarity and Turns Ratio: Pins 1 -2 : 3 - 4 : 5 - 6 : 7 - 8 = ±2%
Coupling Capacitance: IC side winding (windings in series) to Line side windings in series @ 10kHz, 100mV
Leakage Inductance: Line side windings in series, IC side winding/s short circuited - measurement @ 100kHz, 100mV
Test Voltage: 1.5kV for 2 Sec. - Line side windings in series to IC side windings in series
Coplanarity: ±0.004(0.10mm)
Dimensions
Schematic
Suggested Pad
Layout
Line
IC
0.354
(9.00)
0.299
(7.60)
8
1
0.394
(10.00)
0.031
(0.80)
0.213
(5.40)
3 x 0.050
(3 x 1.27)
7
6
2
3
0.228
(5.80)
3 x 0.050
(3 x 1.27)
5
0.169
(4.30)
4
0.209
(5.30)
0.020 x 0.12
(0.50 x 0.30)
Surface Coplanarity will be 0.004(0.10)
Dimensions: Inches (Millimeters)
Tolerance: ±0.010 (0.25) unless specified otherwise
Sales&Marketing,DesignandManufacturingFacilities
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Eastern Europe &
CzechRepublic
NT MAGNETICS s.r.o.
Chebská 27
Germany
Ireland
NUVOTEM TEO.
Crolly
Co. Donegal
India
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82110 Germering
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Opposite the SIDCO Industrial Estate
Gins Towers
Tel: Int. + 49 89 - 841 00 - 0
Fax: Int. + 49 89 - 841 00 25
Email:info@talema.de
Tel: Int. + 353 74 - 954 8666
Fax: Int. + 353 74 - 954 8139
Email: info@nuvotem.com
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322 00 Plzeñ
Tel: Int. + 420 37 - 744 9303
Fax: Int. + 420 37 - 744 3697
Email:talema@talema.cz
USA: AlfaMag Electronics LLC | 945 Parkwood | PO Box 668 | Rolla, MO 65402
Germany: Int.+4989-841 00-0 • Ireland: Int.+35 375-48 666 • Czech Rep: Int.+420 19-744 9303 • India: Int.+91 427-387 492
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(03-04) ISJ Series
http://www.alfamag.com
(03-04)