WE-FLEX HV Flexible Transformer for DC/DC Converter

WE-FLEX HV Flexible Transformer for DC/DC Converter
SizeDimen­sions3DL
(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

Applications

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

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Products

All
ER11.5
ER14.5/6
EFD15
EFD20
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Status
LBASE(µH)
IR BASE(A)
ISAT BASE(A)
n
VT(V (AC))
∫Udt Base(Vµs)
RDC BASE(mΩ)
LS Base(µH)
Size
Type
Samples
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196547
3.4 µH, 2.3 A, 3.93 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base3.4 µH
Rated Current Base2.3 A
Saturation Current Base3.93 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base83.6 Vµs
DC Resistance Base36 mΩ
Leakage Inductance Base0.18 µH
SizeEFD20 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196537
4.3 µH, 2.3 A, 3.24 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base4.3 µH
Rated Current Base2.3 A
Saturation Current Base3.24 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base83.6 Vµs
DC Resistance Base36 mΩ
Leakage Inductance Base0.18 µH
SizeEFD20 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196527
5.3 µH, 2.3 A, 2.81 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base5.3 µH
Rated Current Base2.3 A
Saturation Current Base2.81 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base83.6 Vµs
DC Resistance Base36 mΩ
Leakage Inductance Base0.18 µH
SizeEFD20 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196248
6.6 µH, 0.8 A, 1.6 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base6.6 µH
Rated Current Base0.8 A
Saturation Current Base1.6 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base63.4 Vµs
DC Resistance Base200 mΩ
Leakage Inductance Base0.17 µH
SizeER14.5/6 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196548
7.6 µH, 1.35 A, 2.98 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base7.6 µH
Rated Current Base1.35 A
Saturation Current Base2.98 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base123.4 Vµs
DC Resistance Base102 mΩ
Leakage Inductance Base0.24 µH
SizeEFD20 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196348
7.9 µH, 0.83 A, 1.41 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base7.9 µH
Rated Current Base0.83 A
Saturation Current Base1.41 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base61.3 Vµs
DC Resistance Base145 mΩ
Leakage Inductance Base0.13 µH
SizeEFD15 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196238
8.3 µH, 0.8 A, 1.3 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base8.3 µH
Rated Current Base0.8 A
Saturation Current Base1.3 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base63.4 Vµs
DC Resistance Base200 mΩ
Leakage Inductance Base0.17 µH
SizeER14.5/6 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196148
8.5 µH, 0.5 A, 1.02 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base8.5 µH
Rated Current Base0.5 A
Saturation Current Base1.02 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base49.3 Vµs
DC Resistance Base344 mΩ
Leakage Inductance Base0.3 µH
SizeER11/5 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196338
9.3 µH, 0.83 A, 1.13 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base9.3 µH
Rated Current Base0.83 A
Saturation Current Base1.13 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base61.3 Vµs
DC Resistance Base145 mΩ
Leakage Inductance Base0.13 µH
SizeEFD15 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196538
9.7 µH, 1.35 A, 2.2 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base9.7 µH
Rated Current Base1.35 A
Saturation Current Base2.2 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base123.4 Vµs
DC Resistance Base102 mΩ
Leakage Inductance Base0.24 µH
SizeEFD20 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196517
9.9 µH, 2.3 A, 1.35 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base9.9 µH
Rated Current Base2.3 A
Saturation Current Base1.35 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base83.6 Vµs
DC Resistance Base36 mΩ
Leakage Inductance Base0.18 µH
SizeEFD20 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196138
10.9 µH, 0.5 A, 0.8 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base10.9 µH
Rated Current Base0.5 A
Saturation Current Base0.8 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base49.3 Vµs
DC Resistance Base344 mΩ
Leakage Inductance Base0.3 µH
SizeER11/5 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196228
11.6 µH, 0.8 A, 0.94 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base11.6 µH
Rated Current Base0.8 A
Saturation Current Base0.94 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base63.4 Vµs
DC Resistance Base200 mΩ
Leakage Inductance Base0.17 µH
SizeER14.5/6 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196528
12 µH, 1.35 A, 1.71 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base12 µH
Rated Current Base1.35 A
Saturation Current Base1.71 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base123.4 Vµs
DC Resistance Base102 mΩ
Leakage Inductance Base0.24 µH
SizeEFD20 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196328
14.2 µH, 0.83 A, 0.72 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base14.2 µH
Rated Current Base0.83 A
Saturation Current Base0.72 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base61.3 Vµs
DC Resistance Base145 mΩ
Leakage Inductance Base0.13 µH
SizeEFD15 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196128
14.7 µH, 0.5 A, 0.55 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base14.7 µH
Rated Current Base0.5 A
Saturation Current Base0.55 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base49.3 Vµs
DC Resistance Base344 mΩ
Leakage Inductance Base0.3 µH
SizeER11/5 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196218
21.6 µH, 0.8 A, 0.48 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base21.6 µH
Rated Current Base0.8 A
Saturation Current Base0.48 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base63.4 Vµs
DC Resistance Base200 mΩ
Leakage Inductance Base0.17 µH
SizeER14.5/6 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196518
22.3 µH, 1.35 A, 0.93 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base22.3 µH
Rated Current Base1.35 A
Saturation Current Base0.93 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base123.4 Vµs
DC Resistance Base102 mΩ
Leakage Inductance Base0.24 µH
SizeEFD20 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196318
23.3 µH, 0.83 A, 0.43 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base23.3 µH
Rated Current Base0.83 A
Saturation Current Base0.43 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base61.3 Vµs
DC Resistance Base145 mΩ
Leakage Inductance Base0.13 µH
SizeEFD15 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196118
27.4 µH, 0.5 A, 0.29 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base27.4 µH
Rated Current Base0.5 A
Saturation Current Base0.29 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base49.3 Vµs
DC Resistance Base344 mΩ
Leakage Inductance Base0.3 µH
SizeER11/5 
Typegapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196507
87.1 µH, 2.3 A, 0.16 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base87.1 µH
Rated Current Base2.3 A
Saturation Current Base0.16 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base86.3 Vµs
DC Resistance Base36 mΩ
Leakage Inductance Base0.18 µH
SizeEFD20 
Typeungapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196208
140 µH, 0.8 A, 0.07 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base140 µH
Rated Current Base0.8 A
Saturation Current Base0.07 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base63.4 Vµs
DC Resistance Base200 mΩ
Leakage Inductance Base0.17 µH
SizeER14.5/6 
Typeungapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196308
153.8 µH, 0.83 A, 0.06 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base153.8 µH
Rated Current Base0.83 A
Saturation Current Base0.06 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base61.3 Vµs
DC Resistance Base145 mΩ
Leakage Inductance Base0.13 µH
SizeEFD15 
Typeungapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196508
196 µH, 1.35 A, 0.1 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base196 µH
Rated Current Base1.35 A
Saturation Current Base0.1 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base123.4 Vµs
DC Resistance Base102 mΩ
Leakage Inductance Base0.24 µH
SizeEFD20 
Typeungapped 
WE-FLEX HV Flexible Transformer for DC/DC Converter
749196108
224.6 µH, 0.5 A, 0.04 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance Base224.6 µH
Rated Current Base0.5 A
Saturation Current Base0.04 A
Turns Ratio1:1:1:1:1:1 
Insulation Test Voltage1500 V (AC)
Voltage-µSecond Base49.3 Vµs
DC Resistance Base344 mΩ
Leakage Inductance Base0.3 µH
SizeER11/5 
Typeungapped