FLEX Flexible Transformer for DC/DC Converter(0.01-4.18A)
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
| Size | L | W | H |
| (mm) | (mm) | (mm) | |
| ER11/5 | 12.9 | 13 | 6.2 |
| ER14.5/6 | 16.3 | 16.8 | 7.4 |
| EFD15 | 17.5 | 22.1 | 8.3 |
| EFD20 | 21 | 29.5 | 10.8 |
ER11/5
| Order Code | LBASE | n | IR BASE | ISAT BASE | RDC BASE | ∫Udt Base | LS Base | VT | Download |
| (µH) | (A) | (A) | (mΩ) | (µVs) | (µH) | ||||
| FKS-749196141 | 8.5 | 1:1:1:1:1:1 | 0.55 | 0.96 | 344 | 32.9 | 0.21 | 500 V (AC) |  FKS-749196141.pdf |
| FKS-749196131 | 10.9 | 1:1:1:1:1:1 | 0.55 | 0.73 | 344 | 32.9 | 0.21 | 500 V (AC) | FKS-749196131.pdf |
| FKS-749196121 | 14.7 | 1:1:1:1:1:1 | 0.55 | 0.54 | 344 | 32.9 | 0.21 | 500 V (AC) | FKS-749196121.pdf |
| FKS-749196111 | 27.4 | 1:1:1:1:1:1 | 0.55 | 0.22 | 344 | 32.9 | 0.21 | 500 V (AC) | FKS-749196111.pdf |
| FKS-749196101 | 198.6 | 1:1:1:1:1:1 | 0.55 | 0.01 | 344 | 32.9 | 0.21 | 500 V (AC) | FKS-749196101.pdf |
ER14.5/6
| Order Code | LBASE | n | IR BASE | ISAT BASE | RDC BASE | ∫Udt Base | LS Base | VT | Download |
| (µH) | (A) | (A) | (mΩ) | (µVs) | (µH) | ||||
| FKS-749196241 | 6.6 | 1:1:1:1:1:1 | 0.95 | 1.55 | 159 | 48.3 | 0.17 | 500 V (AC) | FKS-749196241.pdf |
| FKS-749196231 | 8.3 | 1:1:1:1:1:1 | 0.95 | 1.2 | 159 | 48.3 | 0.17 | 500 V (AC) | FKS-749196231.pdf |
| FKS-749196221 | 11.6 | 1:1:1:1:1:1 | 0.95 | 0.84 | 159 | 48.3 | 0.17 | 500 V (AC) | FKS-749196221.pdf |
| FKS-749196211 | 21.6 | 1:1:1:1:1:1 | 0.95 | 0.36 | 159 | 48.3 | 0.17 | 500 V (AC) | FKS-749196211.pdf |
| FKS-749196201 | 140 | 1:1:1:1:1:1 | 0.95 | 0.02 | 159 | 48.3 | 0.17 | 500 V (AC) | FKS-749196201.pdf |
EFD15
| Order Code | LBASE | n | IR BASE | ISAT BASE | RDC BASE | ∫Udt Base | LS Base | VT | Download |
| (µH) | (A) | (A) | (mΩ) | (µVs) | (µH) | ||||
| FKS-749196341 | 7.9 | 1:1:1:1:1:1 | 0.97 | 1.33 | 140 | 39.8 | 0.13 | 500 V (AC) | FKS-749196341.pdf |
| FKS-749196331 | 9.3 | 1:1:1:1:1:1 | 0.97 | 1.09 | 140 | 39.8 | 0.13 | 500 V (AC) | FKS-749196331.pdf |
| FKS-749196321 | 14.2 | 1:1:1:1:1:1 | 0.97 | 0.63 | 140 | 39.8 | 0.13 | 500 V (AC) | FKS-749196321.pdf |
| FKS-749196311 | 23.3 | 1:1:1:1:1:1 | 0.97 | 0.33 | 140 | 39.8 | 0.13 | 500 V (AC) | FKS-749196311.pdf |
| FKS-749196301 | 153.8 | 1:1:1:1:1:1 | 0.97 | 0.02 | 140 | 39.8 | 0.13 | 500 V (AC) | FKS-749196301.pdf |
EFD20
| Order Code | LBASE | n | IR BASE | ISAT BASE | RDC BASE | ∫Udt Base | LS Base | VT | Download |
| (µH) | (A) | (A) | (mΩ) | (µVs) | (µH) | ||||
| FKS-749196540 | 3.4 | 1:1:1:1:1:1 | 1.91 | 4.18 | 30 | 65.6 | 0.18 | 500 V (AC) | FKS-749196540.pdf |
| FKS-749196530 | 4.3 | 1:1:1:1:1:1 | 1.91 | 2.91 | 30 | 65.6 | 0.18 | 500 V (AC) | FKS-749196530.pdf |
| FKS-749196520 | 5.3 | 1:1:1:1:1:1 | 1.91 | 2.53 | 30 | 65.6 | 0.18 | 500 V (AC) | FKS-749196520.pdf |
| FKS-749196541 | 7.6 | 1:1:1:1:1:1 | 1.7 | 2.46 | 71.1 | 98.4 | 0.24 | 500 V (AC) | FKS-749196541.pdf |
| FKS-749196531 | 9.7 | 1:1:1:1:1:1 | 1.7 | 2.2 | 71.1 | 98.4 | 0.24 | 500 V (AC) | FKS-749196531.pdf |
| FKS-749196510 | 9.9 | 1:1:1:1:1:1 | 1.91 | 1.17 | 30 | 65.6 | 0.18 | 500 V (AC) | FKS-749196510.pdf |
| FKS-749196521 | 12 | 1:1:1:1:1:1 | 1.7 | 1.73 | 71.1 | 98.4 | 0.24 | 500 V (AC) | FKS-749196521.pdf |
| FKS-749196511 | 22.3 | 1:1:1:1:1:1 | 1.7 | 0.49 | 71.1 | 98.4 | 0.24 | 500 V (AC) | FKS-749196511.pdf |
| FKS-749196500 | 87.1 | 1:1:1:1:1:1 | 1.91 | 0.03 | 30 | 65.6 | 0.18 | 500 V (AC) | FKS-749196500.pdf |
| FKS-749196501 | 196 | 1:1:1:1:1:1 | 1.7 | 0.02 | 71.1 | 98.4 | 0.24 | 500 V (AC) | FKS-749196501.pdf |
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