NORDTEK DANMARK - SMJ/SWJ/SHJ-Compact SMD Interface Transformers - nordtek.se

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SMJ/SWJ/SHJ-Compact SMD Interface Transformers


Features

  • designed for optimum compatibility with all established interface IC´s
  • excellent and consistent balance between windings
  • compact sizes in through-hole and surface mount packages
  • complies fully with CCITT.I.430 recommendations and corresponding national standards for S-lnterface
  • manufactured in ISO-9001 approved facility
  • operating temperature: 0° to +70°C
  Compact SMD Interface Transformers
   
Electrical Specifications @ 25°C   Turns Ratio: Bold = IC side windings


Surface Mount SO Interface Transformers

Part Number LP
(mH Min.)
Turns
Ratio
LL
(µH)
^IDC
(mA)
CC
(pF Max.)
RCUP
(Ohms)
RCUS
(Ohms)
VP
(Vrms)
Schematic
SMJ & SWJ SMD Series comply with Basic Insulation Level EN60950, UL1950 and UL1450
 SMJ-100B
 SMJ-130B
 SMJ-140B
30
30
30
1:1:1:1
1:1:2.5:2.5
1:1:2:2
5
5
5
4
4
4
100
100
100
1.65
1.65
1.65
1.7
4.4
3.4
1,500
1,500
1,500
B
B
B
 SWJ-100B
 SWJ-130B
 SWJ-140B
30
30
30
1/1:1/1
1/1:2.5/2.5
1/1:2/2
10
10
10
5
5
5
150
150
150
1.7
1.7
1.7
2.0
4.6
4.0
1,500
1,500
1,500
B
B
B
SHJ Series Interface Transformers comply with Reinforced Insulation Level EN60950 and UL1950 **
 SHJ-200B
 SHJ-220A
30
30
1:1:1:1
1:1:4
10
10
5
5
45
45
1.7
1.7
1.9
3.7
3,000
3,000
B
A
 SHJ-230B
 SHJ-240B
30
30
1:1:2.5:2.5
1:1:2:2
10
10
5
5
45
45
1.7
1.7
4.7
3.7
3,000
3,000
B
B
** SOTransformer modules comply with Reinforced Insulation Level EN60950:1992/A4: 1997, para. 2.9.4.4 when tested in accordance with 6.4.1


Test Conditions:   Standard Packaging:Tape and Reel
Inductance and coupling capcitance: 10kHz, 100mV    
Leakage Inductance: 100kHz, 100mV    
     


SMJ - Dimensions & Schematic - Pins



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Package Style & Schematics

SWJ - Dimensions & Schematic - Pins



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SHJ - Dimensions & Schematic - Pins



Surface Coplanarity will be 0.004(0.10)
Dimensions: Inches (Millimeters)
Tolerance: ±0.010 (0.25) unless specified otherwise

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