Fair-Rite p/n 2631102002
Offers useful choking impedance at HF through VHF frequencies
| Dimensions | OD | ID | Height |
| mm | 25.9 | 12.8 | 28.6 |
| inches | 1.020 | 0.505 | 1.125 |
Impedance for single turn:
| Impedance / Frequency | 1 MHz | 5 MHz | 10 MHz | 25 MHz | 100 MHz | 250 MHz |
| Ohms | 31 | 79 | 103 | 156 | 260 | 280 |