WE-FLEX Flexible Transformer for DC/DC Converter
Characteristics
- Transformer with 6 identical windings
- 4 sizes with 5 different lengths of air gap each
- Isolation voltage 500 VDC
- 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
- Free download of design software for flyback transformers Component Selector
Applications
- All kind of switching regulators
-Flyback converters
-Forward converters
-Push-pull converters
-Step-up/step-down converters
-SEPIC converter
Products
- ER11/5
- ER14.5/6
- EFD15
- EFD20
SPEC | Order Code | LBASE (µH) |
n | IR BASE (A) |
ISAT BASE (A) |
RDC BASE (mΩ) |
∫Udt Base (µVs) |
LS Base (µH) |
UT 1 (V (AC)) |
Files | Design Kit | Samples |
---|---|---|---|---|---|---|---|---|---|---|---|---|
749196101 | 198.6 | 1:1:1:1:1:1 | 0.55 | 0.01 | 344 | 32.9 | 0.21 | 500 | 749196101 (rev1).stp749196101 (rev1).igs |
749196 |
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749196111 | 27.4 | 1:1:1:1:1:1 | 0.55 | 0.22 | 344 | 32.9 | 0.21 | 500 | 749196111 (rev1).stp749196111 (rev1).igs |
749196 |
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749196121 | 14.7 | 1:1:1:1:1:1 | 0.55 | 0.54 | 344 | 32.9 | 0.21 | 500 | 749196121 (rev1).stp749196121 (rev1).igs |
749196 |
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749196131 | 10.9 | 1:1:1:1:1:1 | 0.55 | 0.73 | 344 | 32.9 | 0.21 | 500 | 749196131 (rev1).stp749196131 (rev1).igs |
749196 |
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749196141 | 8.5 | 1:1:1:1:1:1 | 0.55 | 0.96 | 344 | 32.9 | 0.21 | 500 | 749196141 (rev1).stp749196141 (rev1).igs |
749196 |
SPEC | Order Code | LBASE (µH) |
n | IR BASE (A) |
ISAT BASE (A) |
RDC BASE (mΩ) |
∫Udt Base (µVs) |
LS Base (µH) |
UT 1 (V (AC)) |
Files | Design Kit | Samples |
---|---|---|---|---|---|---|---|---|---|---|---|---|
749196201 | 140 | 1:1:1:1:1:1 | 0.95 | 0.02 | 159 | 48.3 | 0.17 | 500 | 749196201 (rev1).stp749196201 (rev1).igs |
749196 |
||
749196211 | 21.6 | 1:1:1:1:1:1 | 0.95 | 0.36 | 159 | 48.3 | 0.17 | 500 | 749196211 (rev1).stp749196211 (rev1).igs |
749196 |
||
749196221 | 11.6 | 1:1:1:1:1:1 | 0.95 | 0.84 | 159 | 48.3 | 0.17 | 500 | 749196221 (rev1).stp749196221 (rev1).igs |
749196 |
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749196231 | 8.3 | 1:1:1:1:1:1 | 0.95 | 1.2 | 159 | 48.3 | 0.17 | 500 | 749196231 (rev1).stp749196231 (rev1).igs |
749196 |
||
749196241 | 6.6 | 1:1:1:1:1:1 | 0.95 | 1.55 | 159 | 48.3 | 0.17 | 500 | 749196241 (rev1).stp749196241 (rev1).igs |
749196 |
SPEC | Order Code | LBASE (µH) |
n | IR BASE (A) |
ISAT BASE (A) |
RDC BASE (mΩ) |
∫Udt Base (µVs) |
LS Base (µH) |
UT 1 (V (AC)) |
Files | Design Kit | Samples |
---|---|---|---|---|---|---|---|---|---|---|---|---|
749196301 | 153.8 | 1:1:1:1:1:1 | 0.97 | 0.02 | 140 | 39.8 | 0.13 | 500 | 749196301 (rev1).stp749196301 (rev1).igs |
749196 |
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749196311 | 23.3 | 1:1:1:1:1:1 | 0.97 | 0.33 | 140 | 39.8 | 0.13 | 500 | 749196311 (rev1).stp749196311 (rev1).igs |
749196 |
||
749196321 | 14.2 | 1:1:1:1:1:1 | 0.97 | 0.63 | 140 | 39.8 | 0.13 | 500 | 749196321 (rev1).stp749196321 (rev1).igs |
749196 |
||
749196331 | 9.3 | 1:1:1:1:1:1 | 0.97 | 1.09 | 140 | 39.8 | 0.13 | 500 | 749196331 (rev1).stp749196331 (rev1).igs |
749196 |
||
749196341 | 7.9 | 1:1:1:1:1:1 | 0.97 | 1.33 | 140 | 39.8 | 0.13 | 500 | 749196341 (rev1).stp749196341 (rev1).igs |
749196 |
SPEC | Order Code | LBASE (µH) |
n | IR BASE (A) |
ISAT BASE (A) |
RDC BASE (mΩ) |
∫Udt Base (µVs) |
LS Base (µH) |
UT 1 (V (AC)) |
Files | Design Kit | Samples |
---|---|---|---|---|---|---|---|---|---|---|---|---|
749196500 | 87.1 | 1:1:1:1:1:1 | 1.91 | 0.03 | 30 | 65.6 | 0.18 | 500 | 749196500 (rev1).stp749196500 (rev1).igs |
749196 |
||
749196501 | 196 | 1:1:1:1:1:1 | 1.7 | 0.02 | 71.1 | 98.4 | 0.24 | 500 | 749196501 (rev1).stp749196501 (rev1).igs |
749196 |
||
749196510 | 9.9 | 1:1:1:1:1:1 | 1.91 | 1.17 | 30 | 65.6 | 0.18 | 500 | 749196510 (rev1).stp749196510 (rev1).igs |
749196 |
||
749196511 | 22.3 | 1:1:1:1:1:1 | 1.7 | 0.49 | 71.1 | 98.4 | 0.24 | 500 | 749196511 (rev1).stp749196511 (rev1).igs |
749196 |
||
749196520 | 5.3 | 1:1:1:1:1:1 | 1.91 | 2.53 | 30 | 65.6 | 0.18 | 500 | 749196520 (rev1).stp749196520 (rev1).igs |
749196 |
||
749196521 | 12 | 1:1:1:1:1:1 | 1.7 | 1.73 | 71.1 | 98.4 | 0.24 | 500 | 749196521 (rev1).stp749196521 (rev1).igs |
749196 |
||
749196530 | 4.3 | 1:1:1:1:1:1 | 1.91 | 2.91 | 30 | 65.6 | 0.18 | 500 | 749196530 (rev1).stp749196530 (rev1).igs |
749196 |
||
749196531 | 9.7 | 1:1:1:1:1:1 | 1.7 | 2.2 | 71.1 | 98.4 | 0.24 | 500 | 749196531 (rev1).stp749196531 (rev1).igs |
749196 |
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749196540 | 3.4 | 1:1:1:1:1:1 | 1.91 | 4.18 | 30 | 65.6 | 0.18 | 500 | 749196540 (rev1).stp749196540 (rev1).igs |
749196 |
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749196541 | 7.6 | 1:1:1:1:1:1 | 1.7 | 2.46 | 71.1 | 98.4 | 0.24 | 500 | 749196541 (rev1).stp749196541 (rev1).igs |
749196 |
Downloads
Family Specific Files
Article Specific Files
Files |
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Design Kits
Articles from this family can be found in the following Design Kits:
Comments
- The WE-FLEX series of transformers consist of 6 independent windings which can be connected on the board as required. The 25 transformers facilitate more than 500 transformer and choke variants. The transformers still show an outstandingly low level of leakage inductance. Parts without airgap are especially designed for buck derived topologies like forward or push-pull converters. The high flexibility of the transformers allows developers to realize their own transformers without having to resort to a customer-specific transformer. Power levels of between 1 and 50 Watts can be transformed with the WE-FLEX series transformers. They can be used at switching frequencies of up to 1 MHz.
Tags: WE-FLEX, UtFLEX, Flexible Transformer for SMPS, WE-FLEX Flexible Transformer for DC/DC Converter