Products : Power : Transformers
Switchmode Power

Standard Flyback Transformers

Part Number
Primary Voltage (Volts)
Secondary Voltages (Volts)
Power Rating (Watts)
V-uSec Rating
Package Style
Pin Style
RoHS
Mechanical
Schematic
Product Sheet
Spec Sheet
30398R
4.75-16
5 5 5
5
9
EFD15
SMD
NO
1
1
30399R
4.75-16
5 12 12
5
9
EFD15
SMD
NO
1
1
30400R
4.75-16
5 15 15
5
9
EFD15
SMD
NO
1
1
30401R
4.75-16
5 24 24
5
9
EFD15
SMD
NO
1
1
30402R
16-40
5 5 5
10
55
EFD15
SMD
NO
1
1
30403R
16-40
5 12 12
10
55
EFD15
SMD
NO
1
1
30404R
16-40
5 15 15
9
55
EFD15
SMD
NO
1
1
30404R-LF1
16-40
5 15 15
9
55
EFD15
SMD
YES
1
1
30405R
16-40
5 24 24
10
55
EFD15
SMD
NO
1
1
30416R
4.75-16
5 5 5
5
23
EFD20
SMD
NO
2
4
30418R
4.75-16
5 12 12
5
23
EFD20
SMD
NO
2
4
30420R
4.75-16
5 15 15
5
23
EFD20
SMD
NO
2
4
30422R
4.75-16
5 24 24
5
23
EFD20
SMD
NO
2
4
30424R
16-40
5 5 5
10
66
EFD20
SMD
NO
2
5
30426R
16-40
5 12 12
10
66
EFD20
SMD
NO
2
5
30428R
16-40
5 15 15
10
66
EFD20
SMD
NO
2
5
30430R
16-40
5 24 24
10
66
EFD20
SMD
NO
2
5
30432R
16-40
5 5 5
15
68
EFD20
SMD
NO
2
2
30434R
16-40
5 12 12
15
68
EFD20
SMD
NO
2
2
30436R
16-40
5 15 15
15
68
EFD20
SMD
NO
2
2
30438R
16-40
5 24 24
15
68
EFD20
SMD
NO
2
2
30439
16-40
5 5 5
20
190
EFD25
TH
NO
3
3
30440
16-40
5 12 12
20
190
EFD25
TH
NO
3
3
30441
16-40
5 15 15
20
190
EFD25
TH
NO
3
3
30442
16-40
5 24 24
20
190
EFD25
TH
NO
3
3
30442-LF1
16-40
5 24 24
20
190
EFD25
TH
YES
3
3
30443
16-40
5 5 5
30
337
EFD25
TH
NO
3
3
30443-LF1
16-40
5 5 5
30
337
EFD25
TH
YES
3
3
30444
16-40
5 12 12
30
337
EFD25
TH
NO
3
3
30445
16-40
5 15 15
30
337
EFD25
TH
NO
3
3
30445-LF1
16-40
5 15 15
30
337
EFD25
TH
YES
3
3
30446
16-40
5 24 24
30
337
EFD25
TH
NO
3
3
30446-LF1
16-40
5 24 24
30
337
EFD25
TH
YES
3
3

* If RoHS version is not listed, please contact Wurth Electronics Midcom,Inc.

Features
 
  • Optimized for PoE applications
  •  
  • Small size
  •  
  • Low Resistance
  •  
  • Flat top for pick and place
  •  
  • Custom designs available
  • Mechanical Drawings

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    Schematics

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