Product Description
9mm*9mm*2mm 3V 0902 9020 SMD passive piezo transducer & buzzer square buzzer buzzer high quality alarm buzzer,alarm for household electrical appliances - Changzhou Esuntech Co Ltd.

| Model No. | EPT9020S-HL-3-4.0-12-R |
| Rated Voltage (Vp-p) | 3 |
| Max Input Voltage (Vp-p) | 1~25 |
| Rated Current (mA) | ≤3 |
| Resonance Frequency (KHz) | 4.0±0.5 |
| Capacitance at 120Hz (pF) | 12000±30% |
| Sound Output at 10cm (dB) | ≥70 |
| Operating Temperature (℃) | -20~+70 |
| Storage Temperature (℃) | -40~+85 |
| Weight (g) | 0.25 |
| Housing Material | LCP |
| RoHS | Yes |
