| Manufacturer | ChinaSound |
| Short Description | <p>The CPT40A18-3.1R from ChinaSound is a 40mm diameter piezoelectric ceramic buzzer element. It features a resonant frequency of 3.1KHz and a minimum sound output of 85dB at 10cm.</p> |
| Datasheet | 📄 Datasheet |
Product Attributes
TYPE
DESCRIPTION
Category
Type
Piezoelectric Ceramic Buzzer Element
Housingtype
Element (No Housing)
Diametermillimeters
40
Soundoutputdecibels
Minimum 85 (at 3.0Vp-p, 3.1KHz, 10cm)
Capacitancepicofarads
20000 ± 30%
Resonantimpedanceohms
Maximum 500
Storagetemperaturecelsius
-30 to +80
Totalthicknessmillimeters
0.65 ± 0.05
Resonantfrequencykilohertz
3.1 ± 0.5
Operatingtemperaturecelsius
-20 to +70
Ratedvoltagevoltspeaktopeak
3.0
Maximuminputvoltagevoltspeaktopeak
30
Full Description
Supreme Components International, an authorised distributor, presents the CPT40A18-3.1R, a high-quality 40mm piezoelectric ceramic buzzer element manufactured by ChinaSound. This buzzer is designed for clear and effective audio signaling in a variety of applications. Key features include a resonant frequency of 3.1KHz, ensuring optimal sound production, and a minimum sound output of 85dB, providing a loud and noticeable alert. With a rated voltage of 3.0Vp-p, it's easy to integrate into existing circuits. This buzzer is perfect for use in alarms, electronic toys, and other devices requiring reliable audio alerts. Choose ChinaSound for dependable performance.