SPECIFICATION OF 5PCS 40*15*5 PIEZOELECTRIC CERAMIC RING
| Size(OD*ID*T) | 40*15*5 |
| Capacity(pf) | 1970±10% |
| Radial Frequency fr(kHz) | 43±5% |
| Resonance Impedance zm | ≤15 |
| Thick frequency Ft(kHz) | 410 |
| Coupling Modulus Kr(%) | ≥45 |
| Quality Factor(Qm) | ≥800 |
| The weight of 5pcs | 0.5kg |
