KWCR-1640A
| Product ID：KWCR-1640A | General |
| Out-Diameter：16 mm | Height ： 12 mm |
| Electrical Characteristics | General |
| Max. Input Voltage | 120Vp-p |
| Center Frequency | 40KHz |
| Output Sound Pressure | ≧-110dB |
| Sensitivity | ≧-63dB |
| Directivity | 50ﾟ |
| Capacitance | 2500±20%pf at 1KHz |
| Others | |
| Operation Temp.(℃): | -20~+60 |
| Storage Temp.(℃): | -30~+70 |