Goedrum Pack of 5 Prewired 35mm Piezo Disc and Double Sided Adhesive Foam Circle;

1. 5pcs of prewired 35mm wide brass piezoelectric discs. These are perfect for using as touch-sensors, electronic drum triggers, buzzers, or making your own contact mics. Center disc measures approx. 24.8mm wide. Profile is approx. 0.58mm thick.
2. Piezo-element Specification:
Type:External drive type element
Resonant Frequency:2.9 ± 0.5 KHz
Resonant Impedance:300Ω max
Capacitance:30000pF ± 30% at 100Hz
Input Voltage:30Vp-p max
Operating Temperature:-20 to +60°C
Storage Temperature:-20 to +70°C
Base Material:Brass