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