| Magnetic structure of the variable coil |
| |
 |
Drum core structure
Drum core with windings, inductance should be adjusted by the cap shaped core outside, appliable to the frequency up to 15MHz approximately. |
| |
 |
A bobbin, screw core structure
Bobbin with windings, inductance should be adjusted by the screw shaped core inside, appliable to the frequency up to 150MHz approximately. |
| TOKO type |
Magnetic structure |
Dimensions (mm) max. |
Inductance range |
Freqency range |
 |
| 5mm square, SMD |
|
Drum
 |
5.6x5.8x5.5 |
 |
200kHz ∼ 15MHz |
|
Bobbin
 |
5.9x6.2x6.0 |
 |
10MHz ∼ 150MHz |
| Molded coils (Structure of which stability has been raised by molding the winding part with resin) |
|
Bobbin
 |
5.1x7.0x5.0 |
 |
30MHz ∼ 150MHz |
|