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Ferroxcube EFD Cores
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pFerroxcube EFD Cores: 88 part numbers in 5 materials (3C90, 3C95, 3C96, 3F36, 3F46)./p
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Ferroxcube EFD Cores - EFD cores with a wide winding window for compact SMPS transformers. This page lists 88 part numbers in 5 materials, 58 of them gapped.
Materials: 3C90, 3C95, 3C96, 3F36, 3F46
Part Number List
| Part No. | Material | Lef (mm) | Aef (mm²) | Vef (mm³) | AL (nH/N²) | Gap (µm) | µe | RoHS | Data Sheet |
|---|---|---|---|---|---|---|---|---|---|
| EFD10/5/3-3C90-A25-S | 3C90 | 23.7 | 7.2 | 171 | 25±3% | ≈350 | ≈65 | v | |
| EFD10/5/3-3C90-A40-S | 3C90 | 23.7 | 7.2 | 171 | 40±5% | ≈220 | ≈105 | v | |
| EFD10/5/3-3C90-S | 3C90 | 23.7 | 7.2 | 171 | 585±25% | ungapped | ≈1530 | v | |
| EFD10/5/3-3C95-A63-S | 3C95 | 23.7 | 7.2 | 171 | 63≈ ±8% | ≈140 | ≈165 | v | |
| EFD10/5/3-3C95-S | 3C95 | 23.7 | 7.2 | 171 | 700±25% | ungapped | ≈1800 | v | |
| EFD10/5/3-3C96-A63-S | 3C96 | 23.7 | 7.2 | 171 | 63±8% | ≈130 | ≈165 | v | |
| EFD10/5/3-3C96-S | 3C96 | 23.7 | 7.2 | 171 | 525±25% | ungapped | ≈1400 | v | |
| EFD10/5/3-3F36-A63-S | 3F36 | 23.7 | 7.2 | 171 | 63≈ ±8% | ≈130 | ≈165 | v | |
| EFD10/5/3-3F36-S | 3F36 | 23.7 | 7.2 | 171 | 400±25% | ungapped | ≈1050 | v | |
| EFD10/5/3-3F46-A63-S | 3F46 | 23.7 | 7.2 | 171 | 63≈ ±8% | ≈110 | ≈165 | v | |
| EFD10/5/3-3F46-S | 3F46 | 23.7 | 7.2 | 171 | 250±25% | ungapped | ≈650 | v | |
| EFD12/6/3.5-3C90-A100-S | 3C90 | 28.5 | 11.4 | 325 | 100±8% | ≈130 | ≈200 | v | |
| EFD12/6/3.5-3C90-A40-S | 3C90 | 28.5 | 11.4 | 325 | 40±3% | ≈350 | ≈80 | v | |
| EFD12/6/3.5-3C90-A63-S | 3C90 | 28.5 | 11.4 | 325 | 63±5% | ≈220 | ≈125 | v | |
| EFD12/6/3.5-3C90-S | 3C90 | 28.5 | 11.4 | 325 | 825±25% | ungapped | ≈1640 | v | |
| EFD12/6/3.5-3C95-A100-S | 3C95 | 28.5 | 11.4 | 325 | 100≈ ±8% | ≈130 | ≈200 | v | |
| EFD12/6/3.5-3C95-A63-S | 3C95 | 28.5 | 11.4 | 325 | 63≈ ±5% | ≈220 | ≈125 | v | |
| EFD12/6/3.5-3C95-S | 3C95 | 28.5 | 11.4 | 325 | 990±25% | ungapped | ≈2000 | v | |
| EFD12/6/3.5-3C96-A100-S | 3C96 | 28.5 | 11.4 | 325 | 100±10% | ≈130 | ≈200 | v | |
| EFD12/6/3.5-3C96-A63-S | 3C96 | 28.5 | 11.4 | 325 | 63≈ ±5% | ≈210 | ≈125 | v | |
| EFD12/6/3.5-3C96-S | 3C96 | 28.5 | 11.4 | 325 | 750±25% | ungapped | ≈1500 | v | |
| EFD12/6/3.5-3F36-A100-S | 3F36 | 28.5 | 11.4 | 325 | 100≈ ±8% | ≈120 | ≈200 | v | |
| EFD12/6/3.5-3F36-A63-S | 3F36 | 28.5 | 11.4 | 325 | 63≈ ±5% | ≈210 | ≈125 | v | |
| EFD12/6/3.5-3F36-S | 3F36 | 28.5 | 11.4 | 325 | 570±25% | ungapped | ≈1130 | v | |
| EFD12/6/3.5-3F46-A100-S | 3F46 | 28.5 | 11.4 | 325 | 100≈ ±8% | ≈110 | ≈200 | v | |
| EFD12/6/3.5-3F46-A63-S | 3F46 | 28.5 | 11.4 | 325 | 63≈ ±5% | ≈190 | ≈125 | v | |
| EFD12/6/3.5-3F46-S | 3F46 | 28.5 | 11.4 | 325 | 330±25% | ungapped | ≈660 | v | |
| EFD15/8/5-3C90-A160-S | 3C90 | 34 | 15 | 510 | 160±10% | ≈100 | ≈290 | v | |
| EFD15/8/5-3C90-S | 3C90 | 34 | 15 | 510 | 950±25% | ungapped | ≈1700 | v | |
| EFD15/8/5-3C95-A100-S | 3C95 | 34 | 15 | 510 | 100≈ ±6% | ≈180 | ≈180 | v | |
| EFD15/8/5-3C95-A63-S | 3C95 | 34 | 15 | 510 | 63≈ ±4% | ≈290 | ≈114 | v | |
| EFD15/8/5-3C95-S | 3C95 | 34 | 15 | 510 | 1140±25% | ungapped | ≈2060 | v | |
| EFD15/8/5-3C96-A100-S | 3C96 | 34 | 15 | 510 | 100≈ ±6% | ≈170 | ≈180 | v | |
| EFD15/8/5-3C96-A63-S | 3C96 | 34 | 15 | 510 | 63≈ ±4% | ≈280 | ≈114 | v | |
| EFD15/8/5-3C96-S | 3C96 | 34 | 15 | 510 | 850±25% | ungapped | ≈1530 | v | |
| EFD15/8/5-3F36-A100-S | 3F36 | 34 | 15 | 510 | 100≈ ±6% | ≈160 | ≈180 | v | |
| EFD15/8/5-3F36-A63-S | 3F36 | 34 | 15 | 510 | 63≈ ±4% | ≈270 | ≈114 | v | |
| EFD15/8/5-3F36-S | 3F36 | 34 | 15 | 510 | 650±25% | ungapped | ≈1170 | v | |
| EFD15/8/5-3F46-A100-S | 3F46 | 34 | 15 | 510 | 100≈ ±6% | ≈140 | ≈180 | v | |
| EFD15/8/5-3F46-A63-S | 3F46 | 34 | 15 | 510 | 63≈ ±4% | ≈250 | ≈114 | v | |
| EFD15/8/5-3F46-S | 3F46 | 34 | 15 | 510 | 370±25% | ungapped | ≈670 | v | |
| EFD20/10/7-3C90 | 3C90 | 47 | 31 | 1460 | 1300±25% | ungapped | ≈1570 | v | |
| EFD20/10/7-3C90-A160 | 3C90 | 47 | 31 | 1460 | 160±5% | ≈220 | ≈190 | v | |
| EFD20/10/7-3C90-A250 | 3C90 | 47 | 31 | 1460 | 250±8% | ≈140 | ≈300 | v | |
| EFD20/10/7-3C95 | 3C95 | 47 | 31 | 1460 | 1540±25% | ungapped | ≈1860 | v | |
| EFD20/10/7-3C95-A100 | 3C95 | 47 | 31 | 1460 | 100≈ ±3% | ≈370 | ≈120 | v | |
| EFD20/10/7-3C95-A160 | 3C95 | 47 | 31 | 1460 | 160≈ ±5% | ≈230 | ≈190 | v | |
| EFD20/10/7-3C96 | 3C96 | 47 | 31 | 1460 | 1200±25% | ungapped | ≈1450 | v | |
| EFD20/10/7-3C96-A100 | 3C96 | 47 | 31 | 1460 | 100≈ ±3% | ≈370 | ≈120 | v | |
| EFD20/10/7-3C96-A160 | 3C96 | 47 | 31 | 1460 | 160±5% | ≈220 | ≈190 | v | |
| EFD20/10/7-3F36 | 3F36 | 47 | 31 | 1460 | 920±25% | ungapped | ≈1100 | v | |
| EFD20/10/7-3F36-A100 | 3F36 | 47 | 31 | 1460 | 100≈ ±3% | ≈350 | ≈120 | v | |
| EFD20/10/7-3F36-A160 | 3F36 | 47 | 31 | 1460 | 160≈ ±5% | ≈210 | ≈190 | v | |
| EFD20/10/7-3F46 | 3F46 | 47 | 31 | 1460 | 580±25% | ungapped | ≈700 | v | |
| EFD20/10/7-3F46-A100 | 3F46 | 47 | 31 | 1460 | 100≈ ±3% | ≈330 | ≈120 | v | |
| EFD20/10/7-3F46-A160 | 3F46 | 47 | 31 | 1460 | 160≈ ±5% | ≈180 | ≈190 | v | |
| EFD25/13/9-3C90 | 3C90 | 57 | 58 | 3300 | 2100±25% | ungapped | ≈1640 | v | |
| EFD25/13/9-3C90-A160 | 3C90 | 57 | 58 | 3300 | 160±3% | ≈430 | ≈125 | v | |
| EFD25/13/9-3C90-A315 | 3C90 | 57 | 58 | 3300 | 315±5% | ≈210 | ≈250 | v | |
| EFD25/13/9-3C90-A630 | 3C90 | 57 | 58 | 3300 | 630±10% | ≈91 | ≈490 | v | |
| EFD25/13/9-3C95 | 3C95 | 57 | 58 | 3300 | 2660±25% | ungapped | ≈2100 | v | |
| EFD25/13/9-3C95-A160 | 3C95 | 57 | 58 | 3300 | 160±3% | ≈440 | ≈125 | v | |
| EFD25/13/9-3C95-A250 | 3C95 | 57 | 58 | 3300 | 250±3% | ≈270 | ≈195 | v | |
| EFD25/13/9-3C96 | 3C96 | 57 | 58 | 3300 | 2000±25% | ungapped | ≈1560 | v | |
| EFD25/13/9-3C96-A160 | 3C96 | 57 | 58 | 3300 | 160≈ ±3% | ≈430 | ≈125 | v | |
| EFD25/13/9-3C96-A250 | 3C96 | 57 | 58 | 3300 | 250±3% | ≈260 | ≈195 | v | |
| EFD25/13/9-3F36 | 3F36 | 57 | 58 | 3300 | 1500±25% | ungapped | ≈1170 | v | |
| EFD25/13/9-3F36-A160 | 3F36 | 57 | 58 | 3300 | 160≈ ±3% | ≈410 | ≈125 | v | |
| EFD25/13/9-3F36-A250 | 3F36 | 57 | 58 | 3300 | 250≈ ±4% | ≈250 | ≈195 | v | |
| EFD25/13/9-3F46 | 3F46 | 57 | 58 | 3300 | 900±25% | ungapped | ≈700 | v | |
| EFD25/13/9-3F46-A160 | 3F46 | 57 | 58 | 3300 | 160≈ ±3% | ≈380 | ≈125 | v | |
| EFD25/13/9-3F46-A250 | 3F46 | 57 | 58 | 3300 | 250≈ ±4% | ≈220 | ≈195 | v | |
| EFD30/15/9-3C90 | 3C90 | 68 | 69 | 4700 | 2200±25% | ungapped | ≈1700 | v | |
| EFD30/15/9-3C90-A250 | 3C90 | 68 | 69 | 4700 | 250+3/-2% | ≈320 | ≈196 | v | |
| EFD30/15/9-3C90-A315 | 3C90 | 68 | 69 | 4700 | 315±5% | ≈250 | ≈250 | v | |
| EFD30/15/9-3C90-A630 | 3C90 | 68 | 69 | 4700 | 630±10% | ≈110 | ≈490 | v | |
| EFD30/15/9-3C95 | 3C95 | 68 | 69 | 4700 | 2520±25% | ungapped | ≈2000 | v | |
| EFD30/15/9-3C95-A160 | 3C95 | 68 | 69 | 4700 | 160≈ ±3% | ≈520 | ≈125 | v | |
| EFD30/15/9-3C95-A250 | 3C95 | 68 | 69 | 4700 | 250≈ ±3% | ≈320 | ≈196 | v | |
| EFD30/15/9-3C96 | 3C96 | 68 | 69 | 4700 | 1900±25% | ungapped | ≈1500 | v | |
| EFD30/15/9-3C96-A160 | 3C96 | 68 | 69 | 4700 | 160≈ ±3% | ≈510 | ≈125 | v | |
| EFD30/15/9-3C96-A250 | 3C96 | 68 | 69 | 4700 | 250≈ ±3% | ≈310 | ≈196 | v | |
| EFD30/15/9-3F36 | 3F36 | 68 | 69 | 4700 | 1500±25% | ungapped | ≈1140 | v | |
| EFD30/15/9-3F36-A160 | 3F36 | 68 | 69 | 4700 | 160≈ ±3% | ≈490 | ≈125 | v | |
| EFD30/15/9-3F36-A250 | 3F36 | 68 | 69 | 4700 | 250≈ ±3% | ≈290 | ≈196 | v | |
| EFD30/15/9-3F46 | 3F46 | 68 | 69 | 4700 | 900±25% | ungapped | ≈710 | v | |
| EFD30/15/9-3F46-A160 | 3F46 | 68 | 69 | 4700 | 160≈ ±3% | ≈450 | ≈125 | v | |
| EFD30/15/9-3F46-A250 | 3F46 | 68 | 69 | 4700 | 250≈ ±3% | ≈260 | ≈196 | v |
Specifications are taken from the Ferroxcube product database. Material links open the Ferroxcube material data sheet, Data Sheet opens the product data sheet. Verify current data before design-in.
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