WE-UNIT Off-Line Transformer

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  • Dimensions
Please choose size
Size L
(mm)
W
(mm)
H
(mm)
Mount
E13/7/4 Vertical 15.0 11.0 16.8 THT
E13/7/4 Horizontal 21.5 15.0 12.0 THT
E16/7/4 18.0 16.5 18.0 THT
E16/8/5 24.5 20.2 16.5 THT

Characteristics

  • Nominal input voltage: 125–375 VDC
  • Output power 3 W and 9 W
  • Operating temperature: –40 °C to +125 °C
  • Clearance and creepage distance 6 mm min.
  • Isolation voltage 4 kVAC, 1 Minute
  • Design compliant to EN 61558-2-16: reinforced insulation; except 749 118 10 xx: Basic insulation

Applications

  • Designed for Tiny Switch ICs from Power Integration and NCP101x or 105x of ON Semiconductor
  • For SMPS with universal input from 85 VAC up to 265 VAC

Products

  • E13/7/4 Vertical
  • E13/7/4 Horizontal
  • E16/7/4
  • E16/8/5
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SPEC Order Code VO1
(V)
IO1
(A)
fswitch n L1
(mH)
LSmin.
(µH)
ISAT 1
(A)
RDC 1
(Ω)
RDC 2
(Ω)
Size SMD/ THT Vi
(V (AC))
Samples
1 PDF 7491181012 12 0.25 132 8.1 : 1 2.8 220 0.21 11 0.29 E13/7/4 THT 85-265
2 PDF 7491181024 24 0.125 132 4 : 1 2.8 245 0.21 11 1.2 E13/7/4 THT 85-265
3 PDF 749118105 5 0.6 132 18.9 : 1 2.8 280 0.2 11 0.05 E13/7/4 THT 85-265
SPEC Order Code VO1
(V)
IO1
(A)
fswitch n L1
(mH)
LSmin.
(µH)
ISAT 1
(A)
RDC 1
(Ω)
RDC 2
(Ω)
Size SMD/ THT Vi
(V (AC))
Samples
1 PDF 7491181112 12 0.25 132 8.1 : 1 2.8 175 0.21 8 0.29 E13/7/4 THT 85-265
2 PDF 7491181124 24 0.125 132 4 : 1 2.8 172 0.21 8 1.2 E13/7/4 THT 85-265
3 PDF 749118115 5 0.6 132 18.9 : 1 2.8 180 0.2 8 0.05 E13/7/4 THT 85-265
SPEC Order Code VO1
(V)
IO1
(A)
fswitch n L1
(mH)
LSmin.
(µH)
ISAT 1
(A)
RDC 1
(Ω)
RDC 2
(mΩ)
RDC 3
(mΩ)
Size SMD/ THT Vi
(V (AC))
Samples
1 PDF 7491182012 12 0.25 132 9.5 : 1 : 1 0.9 145 0.85 4.3 75 85 E16/7/4 THT 85-265
2 PDF 7491182024 24 0.125 132 4.4 : 1 0.9 145 4.5 4.3 210 E16/7/4 THT 85-265
3 PDF 749118205 5 0.6 132 19 : 1 : 1 0.9 175 0.85 4.3 26 26 E16/7/4 THT 85-265
SPEC Order Code VO1
(V)
IO1
(A)
fswitch n L1
(mH)
LSmin.
(µH)
ISAT 1
(A)
RDC 1
(Ω)
RDC 2
(mΩ)
RDC 3
(mΩ)
Size SMD/ THT Vi
(V (AC))
Samples
1 PDF 7491182112 12 0.25 132 9.5:1:1 0.9 112 0.8 4.3 94 102 E16/8/5 THT 85-265
2 PDF 7491182124 24 0.125 132 4.4:1 0.9 100 0.8 4.3 155 E16/8/5 THT 85-265
3 PDF 749118215 5 0.6 132 19:1:1 0.9 120 0.85 4.3 28 28 E16/8/5 THT 85-265
Tags: WE-UNIT, UtUNIT, Transformer for AC/DC Converter, WE-UNIT Off-Line Transformer