
Ferroxcube U and UR Cores - U and UR cores for high-power transformers and chokes. This page lists 52 part numbers in 3 materials.
Materials: 3C90, 3C91, 3C94
| Part No. | Material | Lef (mm) | Aef (mm²) | Vef (mm³) | AL (nH/N²) | Gap (µm) | µe | RoHS | Data Sheet |
|---|---|---|---|---|---|---|---|---|---|
| I100/25/25-3C90 | 3C90 | 245 | 645 | 158000 | 6700±25% | ungapped | ≈2000 | v | |
| I100/25/25-3C90-/G6 | 3C90 | 245 | 645 | 158000 | 6700±25% | ungapped | ≈2000 | v | |
| I100/25/25-3C94 | 3C94 | 245 | 645 | 158000 | 6700±25% | ungapped | ≈2000 | v | |
| I25/6/6-3C90 | 3C90 | 64.3 | 40.3 | 2590 | 1500±25% | ungapped | ≈1900 | v | |
| I25/6/6-3C91 | 3C91 | 64.3 | 40.3 | 2590 | 1900±25% | ungapped | ≈2400 | v | |
| I25/6/6-3C94 | 3C94 | 64.3 | 40.3 | 2590 | 1540±25% | ungapped | ≈1960 | v | |
| I93/28/16-3C90 | 3C90 | 258 | 447 | 115000 | 4600±25% | ungapped | ≈2100 | v | |
| I93/28/16-3C94 | 3C94 | 258 | 447 | 115000 | 4600±25% | ungapped | ≈2100 | v | |
| I93/28/30-3C90 | 3C90 | 258 | 840 | 217000 | 8700±25% | ungapped | ≈2100 | v | |
| I93/28/30-3C94 | 3C94 | 258 | 840 | 217000 | 8700±25% | ungapped | ≈2100 | v | |
| U10/8/3-3C90 | 3C90 | 38.3 | 8.07 | 309 | 420±25% | ungapped | ≈1600 | v | |
| U10/8/3-3C94 | 3C94 | 38.3 | 8.07 | 309 | 470±25% | ungapped | ≈1800 | v | |
| U100/57/25-3C90 | 3C90 | 308 | 645 | 199000 | 5500±25% | ungapped | ≈2100 | v | |
| U100/57/25-3C94 | 3C94 | 308 | 645 | 199000 | 5500±25% | ungapped | ≈2100 | v | |
| U101/76/30-3C90 | 3C90 | 371 | 830 | 308000 | 6100±25% | ungapped | ≈2200 | - | — |
| U120/80/20-3C90 | 3C90 | 414 | 600 | 249000 | 4070±25% | ungapped | ≈2200 | - | — |
| U126/91/20-3C90 | 3C90 | 480 | 560 | 268800 | 3300±25% | ungapped | ≈2250 | v | |
| U126/91/20-3C94 | 3C94 | 480 | 560 | 268800 | 3300±25% | ungapped | ≈2250 | v | |
| U15/11/6-3C90 | 3C90 | 52 | 32.3 | 1680 | 1400±25% | ungapped | ≈1800 | v | |
| U15/11/6-3C94 | 3C94 | 52 | 32.3 | 1680 | 1400±25% | ungapped | ≈1800 | v | |
| U20/16/7-3C90 | 3C90 | 68 | 56 | 3800 | 1900±25% | ungapped | ≈1800 | v | |
| U20/16/7-3C94 | 3C94 | 68 | 56 | 3800 | 1900±25% | ungapped | ≈1800 | v | |
| U25/16/6-3C90 | 3C90 | 83.6 | 40.3 | 3380 | 1200±25% | ungapped | ≈2000 | v | |
| U25/16/6-3C91 | 3C91 | 83.6 | 40.3 | 3380 | 1400±25% | ungapped | ≈2300 | v | |
| U25/16/6-3C94 | 3C94 | 83.6 | 40.3 | 3380 | 1200±25% | ungapped | ≈2000 | v | |
| U25/20/13-3C90 | 3C90 | 88.2 | 104 | 9180 | 2900±25% | ungapped | ≈1960 | v | |
| U25/20/13-3C94 | 3C94 | 88.2 | 104 | 9180 | 2900±25% | ungapped | ≈1960 | v | |
| U30/25/16-3C90 | 3C90 | 111 | 161 | 17900 | 3300±25% | ungapped | ≈1800 | v | |
| U30/25/16-3C94 | 3C94 | 111 | 161 | 17900 | 3700±25% | ungapped | ≈2000 | v | |
| U46/40/28-3C90 | 3C90 | 182 | 392 | 71300 | 6000±25% | ungapped | ≈2200 | v | |
| U67/27/14-3C90 | 3C90 | 173 | 204 | 35200 | 3100±25% | ungapped | ≈2100 | v | |
| U67/27/14-3C91 | 3C91 | 173 | 204 | 35200 | 3800±25% | ungapped | ≈2600 | v | |
| U80/65/32-3C90 | 3C90 | 310 | 706 | 219000 | 6000±25% | ungapped | ≈2100 | v | |
| U93/52/30-3C90 | 3C90 | 258 | 840 | 217000 | 8700±25% | ungapped | ≈2100 | v | |
| U93/52/30-3C94 | 3C94 | 258 | 840 | 217000 | 8700±25% | ungapped | ≈2100 | v | |
| U93/76/16-3C90 | 3C90 | 354 | 448 | 159000 | 3400±25% | ungapped | ≈2100 | v | |
| U93/76/16-3C94 | 3C94 | 354 | 448 | 159000 | 3400±25% | ungapped | ≈2100 | v | |
| U93/76/30-3C90 | 3C90 | 354 | 840 | 297000 | 6400±25% | ungapped | ≈2150 | v | |
| U93/76/30-3C94 | 3C94 | 354 | 840 | 297000 | 6400±25% | ungapped | ≈2150 | v | |
| UR35/27.5/13-3C90 | 3C90 | 129 | 129 | 16640 | 2600±25% | ungapped | ≈2100 | v | |
| UR37/26/18-3C90 | 3C90 | 128 | 148 | 18900 | 3000±25% | ungapped | ≈2100 | v | |
| UR39/35/15-3C90 | 3C90 | 163 | 149 | 24300 | 2200±25% | ungapped | ≈1900 | v | |
| UR42/21/12-3C90 | 3C90 | 113 | 104 | 11800 | 2400±25% | ungapped | ≈2100 | v | |
| UR46/21/11-3C90 | 3C90 | 129 | 88 | 11600 | 1800±25% | ungapped | ≈2100 | v | |
| UR48/39/17-3C90 | 3C90 | 186 | 215 | 39990 | 3000±25% | ungapped | ≈2100 | v | |
| UR55/38/36-3C90 | 3C90 | 188 | 418 | 78570 | 5850±25% | ungapped | ≈2100 | v | |
| UR57/28/16-3C90 | 3C90 | 163 | 171 | 27900 | 2600±25% | ungapped | ≈2000 | v | |
| UR59/36/17-3C90 | 3C90 | 189 | 210 | 39700 | 2900±25% | ungapped | ≈2100 | v | |
| UR64/29/14-3C90 | 3C90 | 185 | 147 | 27040 | 2000±25% | ungapped | ≈2000 | v | |
| UR64/40/20-3C90 | 3C90 | 210 | 290 | 61000 | 3700±25% | ungapped | ≈2100 | v | |
| UR64/40/20-D-3C90 | 3C90 | 211 | 308 | 64900 | 3800±25% | ungapped | ≈2100 | v | |
| UR70/33/17-3C90 | 3C90 | 197 | 214 | 43800 | 2900±25% | ungapped | ≈2100 | 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.
Shenzhen Gaorunxin Technology Co., Ltd
Shenzhen Gaorunxin Technology Co., Ltd