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WE-FLEX HV Flexible Transformer for DC/DC Converter

Size L
(mm)
W
(mm)
H
(mm)
ER11.5 12.9 13 6.2
ER14.5/6 16.3 16.8 7.4
EFD15 22.1 17.5 9
EFD20 29.5 21.5 12

Characteristics

  • Transformer with 6 identical windings
  • 4 sizes with 5 different lengths of air gap each
  • Isolation voltage up to 1.5 kVAC
  • Low leakage inductance
  • Operating temperature: –40 ºC to +125 ºC
  • By using different circuits more than 375 transformer solutions and about 125 choke solutions possible. Consequently, quick prototyping possibilities
  • EFD size parts provide Basic insulation for a working voltage of 250VRMS when they are connected appropiate

Applications

  • Flyback converters
  • Forward converters
  • Push-pull converters
  • Step-up/step-down converters
  • SEPIC

Products

All
ER11.5
ER14.5/6
EFD15
EFD20
Order Code SPEC Downloads LBASE
(µH)
n IR BASE
(A)
ISAT BASE
(A)
RDC BASE
(mΩ)
∫Udt Base
(µVs)
LS Base
(µH)
VT
(V (AC))
Samples
749196547
ALT EAG CAD LTS CAD 3.4 1:1:1:1:1:1 2.3 3.93 36 83.6 0.18 1500
749196537
ALT EAG CAD LTS CAD 4.3 1:1:1:1:1:1 2.3 3.24 36 83.6 0.18 1500
749196527
ALT EAG CAD LTS CAD 5.3 1:1:1:1:1:1 2.3 2.81 36 83.6 0.18 1500
749196248
ALT EAG CAD LTS CAD 6.6 1:1:1:1:1:1 0.8 1.6 200 63.4 0.17 1500
749196548
ALT EAG CAD LTS CAD 7.6 1:1:1:1:1:1 1.35 2.98 102 123.4 0.24 1500
749196348
ALT EAG CAD LTS CAD 7.9 1:1:1:1:1:1 0.83 1.41 145 61.3 0.13 1500
749196238
ALT EAG CAD LTS CAD 8.3 1:1:1:1:1:1 0.8 1.3 200 63.4 0.17 1500
749196148
ALT EAG CAD LTS CAD 8.5 1:1:1:1:1:1 0.5 1.02 344 49.3 0.3 1500
749196338
ALT EAG CAD LTS CAD 9.3 1:1:1:1:1:1 0.83 1.13 145 61.3 0.13 1500
749196538
ALT EAG CAD LTS CAD 9.7 1:1:1:1:1:1 1.35 2.2 102 123.4 0.24 1500
749196517
ALT EAG CAD LTS CAD 9.9 1:1:1:1:1:1 2.3 1.35 36 83.6 0.18 1500
749196138
ALT EAG CAD LTS CAD 10.9 1:1:1:1:1:1 0.5 0.8 344 49.3 0.3 1500
749196228
ALT EAG CAD LTS CAD 11.6 1:1:1:1:1:1 0.8 0.94 200 63.4 0.17 1500
749196528
ALT EAG CAD LTS CAD 12 1:1:1:1:1:1 1.35 1.71 102 123.4 0.24 1500
749196328
ALT EAG CAD LTS CAD 14.2 1:1:1:1:1:1 0.83 0.72 145 61.3 0.13 1500
749196128
ALT EAG CAD LTS CAD 14.7 1:1:1:1:1:1 0.5 0.55 344 49.3 0.3 1500
749196218
ALT EAG CAD LTS CAD 21.6 1:1:1:1:1:1 0.8 0.48 200 63.4 0.17 1500
749196518
ALT EAG CAD LTS CAD 22.3 1:1:1:1:1:1 1.35 0.93 102 123.4 0.24 1500
749196318
ALT EAG CAD LTS CAD 23.3 1:1:1:1:1:1 0.83 0.43 145 61.3 0.13 1500
749196118
ALT EAG CAD LTS CAD 27.4 1:1:1:1:1:1 0.5 0.29 344 49.3 0.3 1500
749196507
ALT EAG CAD LTS CAD 87.1 1:1:1:1:1:1 2.3 0.16 36 86.3 0.18 1500
749196208
ALT EAG CAD LTS CAD 140 1:1:1:1:1:1 0.8 0.07 200 63.4 0.17 1500
749196308
ALT EAG CAD LTS CAD 153.8 1:1:1:1:1:1 0.83 0.06 145 61.3 0.13 1500
749196508
ALT EAG CAD LTS CAD 196 1:1:1:1:1:1 1.35 0.1 102 123.4 0.24 1500
749196108
ALT EAG CAD LTS CAD 224.6 1:1:1:1:1:1 0.5 0.04 344 49.3 0.3 1500
Order Code SPEC
749196547
749196537
749196527
749196248
749196548
749196348
749196238
749196148
749196338
749196538
749196517
749196138
749196228
749196528
749196328
749196128
749196218
749196518
749196318
749196118
749196507
749196208
749196308
749196508
749196108
Samples
Order Code SPEC Downloads LBASE
(µH)
n IR BASE
(A)
ISAT BASE
(A)
RDC BASE
(mΩ)
∫Udt Base
(µVs)
LS Base
(µH)
VT
(V (AC))
Samples