
Ferroxcube EP and EPX Cores - EP and EPX cores for compact transformer and inductor designs. This page lists 58 part numbers in 5 materials, 38 of them gapped.
Materials: 3C90, 3C91, 3C96, 3F36, 3F46
| Part No. | Material | Lef (mm) | Aef (mm²) | Vef (mm³) | AL (nH/N²) | Gap (µm) | µe | RoHS | Data Sheet |
|---|---|---|---|---|---|---|---|---|---|
| EP10-3C90 | 3C90 | 19.3 | 11.3 | 215 | 1140±25% | ungapped | ≈1550 | v | |
| EP10-3C90-A160 | 3C90 | 19.3 | 11.3 | 215 | 160≈ ±6% | ≈80.4 | ≈ 220 | - | |
| EP10-3C91 | 3C91 | 19.3 | 11.3 | 215 | 1200±25% | ungapped | ≈1600 | v | |
| EP10-3C91-A100 | 3C91 | 19.3 | 11.3 | 215 | 100≈ ±4% | ≈136 | ≈ 136 | - | |
| EP10-3C91-A63 | 3C91 | 19.3 | 11.3 | 215 | 63≈ ±3% | ≈219 | ≈ 86 | - | |
| EP10-3C96 | 3C96 | 19.3 | 11.3 | 215 | 1000±25% | ungapped | ≈1360 | v | |
| EP10-3C96-A100 | 3C96 | 19.3 | 11.3 | 215 | 100≈ ±4% | ≈132 | ≈ 136 | - | |
| EP10-3C96-A63 | 3C96 | 19.3 | 11.3 | 215 | 63≈ ±3% | ≈216 | ≈ 86 | - | |
| EP10-3F36 | 3F36 | 19.3 | 11.3 | 215 | 800±25% | ungapped | ≈1100 | v | |
| EP10-3F36-A100 | 3F36 | 19.3 | 11.3 | 215 | 100≈ ±4% | ≈127 | ≈ 136 | - | |
| EP10-3F36-A63 | 3F36 | 19.3 | 11.3 | 215 | 63≈ ±3% | ≈211 | ≈ 86 | - | |
| EP10-3F46 | 3F46 | 19.3 | 11.3 | 215 | 460±25% | ungapped | ≈630 | v | |
| EP10-3F46-A100 | 3F46 | 19.3 | 11.3 | 215 | 100≈ ±4% | ≈116 | ≈ 136 | - | |
| EP10-3F46-A63 | 3F46 | 19.3 | 11.3 | 215 | 63≈ ±3% | ≈200 | ≈ 86 | - | |
| EP13-3C90 | 3C90 | 24.2 | 19.5 | 472 | 1650±25% | ungapped | ≈1600 | v | |
| EP13-3C90-A100 | 3C90 | 24.2 | 19.5 | 472 | 100≈ ±3% | ≈235 | ≈ 99 | - | |
| EP13-3C90-A250 | 3C90 | 24.2 | 19.5 | 472 | 250≈ ±6% | ≈87.5 | ≈ 250 | - | |
| EP13-3C90-A315 | 3C90 | 24.2 | 19.5 | 472 | 315≈ ±7% | ≈67.3 | ≈ 310 | - | |
| EP13-3C90-A63 | 3C90 | 24.2 | 19.5 | 472 | 63≈ ±3% | ≈379 | ≈ 62 | - | |
| EP13-3C91 | 3C91 | 24.2 | 19.5 | 472 | 1700±25% | ungapped | ≈1700 | v | |
| EP13-3C91-A100 | 3C91 | 24.2 | 19.5 | 472 | 100≈ ±3% | ≈237 | ≈ 99 | - | |
| EP13-3C91-A160 | 3C91 | 24.2 | 19.5 | 472 | 160≈ ±4% | ≈145 | ≈ 160 | - | |
| EP13-3C96 | 3C96 | 24.2 | 19.5 | 472 | 1500±25% | ungapped | ≈1500 | v | |
| EP13-3C96-A100 | 3C96 | 24.2 | 19.5 | 472 | 100≈ ±3% | ≈233 | ≈ 99 | - | |
| EP13-3C96-A160 | 3C96 | 24.2 | 19.5 | 472 | 160≈ ±4% | ≈141 | ≈ 160 | - | |
| EP13-3F36 | 3F36 | 24.2 | 19.5 | 472 | 13000 | ungapped | ≈1300 | v | |
| EP13-3F36-A100 | 3F36 | 24.2 | 19.5 | 472 | 100≈ ±3% | ≈227 | ≈ 99 | - | |
| EP13-3F36-A160 | 3F36 | 24.2 | 19.5 | 472 | 160≈ ±4% | ≈135 | ≈ 160 | - | |
| EP13-3F46 | 3F46 | 24.2 | 19.5 | 472 | 660±25% | ungapped | ≈650 | v | |
| EP13-3F46-A100 | 3F46 | 24.2 | 19.5 | 472 | 100≈ ±3% | ≈213 | ≈ 99 | - | |
| EP13-3F46-A160 | 3F46 | 24.2 | 19.5 | 472 | 160≈ ±4% | ≈121 | ≈ 160 | - | |
| EP17-3C90 | 3C90 | 29.5 | 33.7 | 999 | 2500±25% | ungapped | ≈1740 | v | |
| EP17-3C91 | 3C91 | 29.5 | 33.7 | 999 | 2670±25% | ungapped | ≈1860 | v | |
| EP17-3C91-A100 | 3C91 | 29.5 | 33.7 | 999 | 100≈ ±3% | ≈414 | ≈ 70 | - | |
| EP17-3C91-A160 | 3C91 | 29.5 | 33.7 | 999 | 160≈ ±3% | ≈255 | ≈ 110 | - | |
| EP17-3C96 | 3C96 | 29.5 | 33.7 | 999 | 2200±25% | ungapped | ≈1530 | v | |
| EP17-3C96-A100 | 3C96 | 29.5 | 33.7 | 999 | 100≈ ±3% | ≈409 | ≈ 70 | - | |
| EP17-3C96-A160 | 3C96 | 29.5 | 33.7 | 999 | 160≈ ±3% | ≈250 | ≈ 110 | - | |
| EP17-3F36 | 3F36 | 29.5 | 33.7 | 999 | 1500±25% | ungapped | ≈1040 | v | |
| EP17-3F36-A100 | 3F36 | 29.5 | 33.7 | 999 | 100≈ ±3% | ≈401 | ≈ 70 | - | |
| EP17-3F36-A160 | 3F36 | 29.5 | 33.7 | 999 | 160≈ ±3% | ≈242 | ≈ 110 | - | |
| EP17-3F46 | 3F46 | 29.5 | 33.7 | 999 | 950±25% | ungapped | ≈660 | v | |
| EP17-3F46-A100 | 3F46 | 29.5 | 33.7 | 999 | 100≈ ±3% | ≈385 | ≈ 70 | - | |
| EP17-3F46-A160 | 3F46 | 29.5 | 33.7 | 999 | 160≈ ±3% | ≈226 | ≈ 110 | - | |
| EP20-3C90 | 3C90 | 41.1 | 78.7 | 3230 | 4435±25% | ungapped | ≈1840 | v | |
| EP20-3C90-A400 | 3C90 | 41.1 | 78.7 | 3230 | 400≈ ±3% | ≈229 | ≈ 166 | - | |
| EP20-3C91 | 3C91 | 41.1 | 78.7 | 3230 | 4900±25% | ungapped | ≈2000 | v | |
| EP20-3C91-A160 | 3C91 | 41.1 | 78.7 | 3230 | 160≈ ±3% | ≈605 | ≈ 66 | - | |
| EP20-3C91-A250 | 3C91 | 41.1 | 78.7 | 3230 | 250≈ ±3% | ≈382 | ≈ 104 | - | |
| EP20-3C96 | 3C96 | 41.1 | 78.7 | 3230 | 3850±25% | ungapped | ≈1600 | v | |
| EP20-3C96-A160 | 3C96 | 41.1 | 78.7 | 3230 | 160≈ ±3% | ≈598 | ≈ 66 | - | |
| EP20-3C96-A250 | 3C96 | 41.1 | 78.7 | 3230 | 250≈ ±3% | ≈375 | ≈ 104 | - | |
| EP20-3F36 | 3F36 | 41.1 | 78.7 | 3230 | 2690±25% | ungapped | ≈1100 | v | |
| EP20-3F36-A160 | 3F36 | 41.1 | 78.7 | 3230 | 160≈ ±3% | ≈587 | ≈ 66 | - | |
| EP20-3F36-A250 | 3F36 | 41.1 | 78.7 | 3230 | 250≈ ±3% | ≈364 | ≈ 104 | - | |
| EP20-3F46 | 3F46 | 41.1 | 78.7 | 3230 | 1600±25% | ungapped | ≈660 | v | |
| EP20-3F46-A160 | 3F46 | 41.1 | 78.7 | 3230 | 160≈ ±3% | ≈564 | ≈ 66 | - | |
| EP20-3F46-A250 | 3F46 | 41.1 | 78.7 | 3230 | 250≈ ±3% | ≈341 | ≈ 104 | - |
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.
Shenzhen Gaorunxin Technology Co., Ltd
Shenzhen Gaorunxin Technology Co., Ltd