Detailed Product Description

1) Center frequency (kHz): 40±10
2) Echo sensitivity (mV): ≥200
3) Decay time (ms): ≤2
4) Directivity (deg) X-asix: 100±15
5) Directivity (deg) Y-asix: 70±10
6) Capacitance (pF): 1,800±10%
7) Allowable maximum input voltage (Vp-p): 140 (40kHz) 
8) Pulse width 0.5ms, interval 20ms
9) Mean time to failure (h): 50,000
10) Operating temperature (°C): -40 to +80
11) Storage temperature (°C): +40 to +85