alfamag ISHF-200B1, ISHF-220A1, ISHF-230B1, ISHF-240B1, ISF-100B1 Service Manual
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ISDN SO DIL Style Through Hole Interface Transformers
USA: AlfaMag Electronics LLC | 945 Parkwood | PO Box 668 | Rolla, MO 65402
Phone: 1-800-413-6693 FAX: 1-364-5390 EMail: support@alfamag.com
http://www.alfamag.com
(07-03)
Features
• designed for optimum compatability with all established
interface IC’s
• excellent and consistent balance between windings
• complies fully with CCITT.I.430 recommendations and
corresponding national standards for S-Interface
• manufactured in ISO-9001 approved Talema facility
• operating temperature: 0 to 70°C
Electrical Specifications @ 25°C Turns Ratio: Bold = IC side windings
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1B001-VSI/FSI03:1:1 1:1 015 0517.10.200511B
1A021-VSI/FSI03:1:1 4 015 0517.10.400511A
1B031-VSI/FSI03:1:1 5,2:5,2 015 0517.15.400511B
1B041-VSI/FSI03:1:1 2:2 015 0517.10.400511B
1B002-FHSI03:1:1 1:1 515544.20.200031B
1A022-FHSI03:1:1 4 515544.26.500031A
1B032-FHSI03:1:1 5,2:5,2 515544.28.600031B
1B042-FHSI03:1:1 2:2 515544.26.500031B
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** SO Transformer modules comply with Reinforced Insulation Level EN60950:1992/A4: 1997, para. 2.9.4.4 when tested in accordance with 6.4.1
Package Style Schematic
ISF
0.492
(12.50)
ISV
0.551
(14.00)
ISHF
0.654
(16.60)
0.400
(10.16)
0.591
(15.00)
0.100
(2.54)
0.400
(10.16)
0.100
(2.54)
0.551
(14.00)
0.500
(12.70)
5 6
1 10
0.354
(9.00)
0.300
(7.62)
5 6
1 10
0.583
(14.80)
0.197
0.295
(5.00)
(7.50)
1 2 3
6 5 4
0.433
(11.00)
0.059
(1.50)
0.571
(14.50)
0.059
(1.50)
0.571
(14.50)
0.079
(2.00)
0.138
(3.50)
0.018 x 0.026
(0.45 x 0.66)
0.138
(3.50)
0.018 x 0.026
(0.45 x 0.66)
0.138
(3.50)
0.024
(0.60)
A1 B1
1
10
5
6
3
8
IC
Line
A1
1
10
5
6
Line
3
8
IC
A1
2
5
3
4
ICLine
1
6
6
7
9
10
4
7
5
6
4
5
6
Line
Line
B1
B1
IC
1
2
4
5
IC
1
10
2
9
ICLine
1
2
3
Dimensions: Inches (Millimeters) Tolerance: ±0.010 (0.25) unless specified otherwise
Germany: Int.+4989-841 00-0 • Ireland: Int.+35 375-48 666 • Czech Rep: Int.+420 19-744 9303 • India: Int.+91 427-340 492
http://www.talema-nuvotem.com
(07-03 Communications\ISDN\So-J Trafo)
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