Product Name 

piezoelectric 20mm

Product Description 

Piezo elements come in handy when you need to detect vibration or a knock. You can use these for tap or knock sensors pretty easily by reading the voltage on the output. They can also be used for a very small audio transducer such as a buzzer.

Features 

• Plate Diameter: 20mm
• Element Diameter: 14mm
• Plate Thickness: .42mm
• Lead Length: ~50mm
• Plate Material: Brass Resonant
• Frequency (kHz): 6.3 /- .6kHz

Package Include

• 1x piezoelectric 20mm