| Manufacturer | RICHCO |
| Type of core | ferrite |
| Application | for flat cable |
| Core material | ferromagnetic A5 |
| Symbol | A dimension | B dimension | C dimension | D dimension | E dimension |
|---|---|---|---|---|---|
| [mm] | [mm] | [mm] | [mm] | [mm] | |
| RFS1-14-15-A5 | 23.8 | 3.2 | 15 | 18.7 | 1.1 |
| RFS1-15-12-A5 | 23.3 | 3 | 12 | 20 | 0.9 |
| RFS1-15-15-A5 | 23.3 | 3 | 15 | 20 | 0.9 |
| RFS1-15-7-2-A5 | 23.3 | 2.5 | 7 | 20 | 0.9 |
| RFS1-15-7-A5 | 23.3 | 3 | 7 | 20 | 0.9 |
| RFS1-17-15-A5 | 25.5 | 5 | 15 | 21.5 | 0.65 |
| RFS1-20-25-A5 | 38.53 | 12.06 | 25.4 | 26.77 | 1.9 |
| RFS1-6-8-A5 | 10 | 3.2 | 8 | 8 | 1 |
| RFS2-11-10-A5 | 18 | 5 | 8 | 14 | 1 |
| RFS2-11-12-A5 | 19 | 6.5 | 12 | 14 | 1.8 |
| RFS2-11-20-A5 | 18.9 | 6.5 | 20 | 14 | 1.8 |
| RFS2-13-15-A5 | 20.5 | 3.5 | 15 | 16.5 | 0.8 |
| RFS2-14-13-A5 | 23.8 | 6.3 | 12.5 | 18.7 | 1.1 |
| RFS2-14-7-A5 | 23.8 | 6.3 | 7 | 18.7 | 1.1 |
| RFS2-15-12-A5 | 24.5 | 5 | 12 | 20 | 0.5 |
| RFS2-16-12-A5 | 25.5 | 3 | 12 | 21.5 | 0.65 |
| RFS2-17-20-A5 | 25 | 3.7 | 20 | 22 | 0.7 |
| RFS2-18-10-A5 | 28.6 | 7.7 | 10 | 23.5 | 1.7 |
| RFS2-18-15-A5 | 28.5 | 6.5 | 15 | 23.5 | 1 |
| RFS2-18-18-A5 | 28.5 | 6.5 | 18 | 23.5 | 1 |
| RFS2-21-10-A5 | 33.5 | 6.5 | 10 | 27 | 1.3 |
| RFS2-21-12-A5 | 33.5 | 6.5 | 12 | 27 | 1.3 |
| RFS2-21-15-A5 | 33.5 | 6.5 | 15 | 27 | 1.3 |
| RFS2-21-20-A5 | 33.5 | 6.5 | 20 | 27 | 1.3 |
| RFS2-21-8-A5 | 33.5 | 6.5 | 8 | 27 | 1.3 |
| RFS2-22-12-A5 | 31 | 3 | 12 | 27 | 1 |
| RFS2-22-25-A5 | 32 | 6 | 25 | 28 | 0.85 |
| RFS2-22-9-A5 | 31 | 5 | 9 | 27 | 1 |
| RFS2-2-30-A5 | 24 | 12 | 30 | 15 | 4 |
| RFS2-24-36-A5 | 36 | 7.5 | 36 | 31 | 1 |
| RFS2-26-15-A5 | 38.5 | 4 | 15 | 35 | 0.8 |
| RFS2-27-12-A5 | 40 | 6.5 | 12 | 35 | 1.3 |
| RFS2-27-8-A5 | 40 | 6.5 | 8 | 35 | 1.3 |
| RFS2-34-12-2-A5 | 49.6 | 7 | 12 | 44 | 1.8 |
| RFS2-34-12-A5 | 49.6 | 6.5 | 12 | 44 | 1.3 |
| RFS2-35-12-A5 | 50 | 6.5 | 12 | 44.9 | 1.4 |
| RFS2-40-12-A5 | 57.6 | 6.5 | 12 | 52 | 1.3 |
| RFS2-43-12-A5 | 60.6 | 6.5 | 12 | 55.2 | 1.3 |
| RFS2-5-8-A5 | 9.1 | 5.6 | 7.8 | 7.2 | 3.7 |
| RFS2-8-12-A5 | 14.7 | 2.75 | 12 | 11 | 0.7 |
| RFS2-9-12-2-A5 | 16 | 5 | 12 | 11.5 | 1.2 |
| RFS2-9-12-A5 | 16 | 5 | 12 | 11.5 | 0.5 |
| RFS2-9-15-A5 | 16 | 5 | 15 | 11.5 | 0.5 |
| RFS2-9-8-A5 | 16 | 5 | 8 | 11.5 | 0.5 |
| RFS3-27-10-A5 | 45 | 12.7 | 10 | 35 | 1.8 |
| RFS3-4-9-A5 | 7.5 | 5.3 | 9 | 5 | 2.8 |
| RFS3-6-7-A5 | 10 | 3.2 | 7 | 8 | 1 |
| RFS4-21-16-A5 | 32 | 11.8 | 16 | 27 | 1 |