| Technical Parameters | KLJ-9019 SMD Piezo Buzzer |
| Resonant Frequency(KHz) | 4.0±0.5 |
| Operating Voltage(Vp-p) | 3~20 |
| Rated Voltage(Vp-p) | 3 |
| Sound Output at 10cm(dB) | 65(at 3Np-p square wave 4.0kHZ) |
| Operating Temperature(℃） | -40~ +85 |
| Storage Temperature(℃） | -30 ~ +85 |
| Environment Compulsory Standard | ROHS |
| PS: Vp-p=1/2duty, square wave | |
| Application Range | |
| Audible distance at rated vol. | 1m |
| Application | Smart electronic devices, medical electronic devices and more |
