Nordtek

 

ISHF- Through-Hole Trans.

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Features

  • designed for optimum compatibility 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 facility
  • operating temperature: 0° to +70°C
  ISHF - Through-Hole Transformers
   
Electrical Specifications @ 25°C   Turns Ratio: Bold = IC side windings


ISHF Series Interface Transformers comply with Reinforced Insulation Level EN60950**

Part Number LP
(mH)
Turns
Ratio
LL
(µH)
^IDC
(mA)
CC
(pF Max.)
RCUP
(Ohms)
RCUS
(Ohms)
VP
(Vrms)
Schematic
 ISHF-200B1
 ISHF-220A1
 ISHF-230B1
 ISHF-240B1
30
30
30
30
1:1:1:1
1:1:4
1:1:2.5:2.5
1:1:2:2
15
15
15
15
5
5
5
5
45
45
45
45
2.4
2.4
2.4
2.4
2.0
5.6
6.8
5.6
3,000
3,000
3,000
3,000
B1
A1
B1
B1
**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

Dimensions & Schematic - Pins