Φ9.9~Φ56mm External Driven Piezo Diaphragm / Piezo Element Ceramic Disc
Description:
This piezoelectric diaphragms is a piezoelectric ceramic disks adhered to a metal plates of brass. These disphragms are typically used in clocks, calculators, digital camera and various alarms. They can be used as knock sensors or very small audio transducers.
Electrical:
Material | Piezoelectric |
Metal material | T: Brass, N: Nickel-alloy, G: Stainless steel |
Shape | External driven type |
Tolerance | Diameter: ±0.1mm Ceramic Dia: ±0.3mm Total thickness: ±0.05mm Ceramic thickness: ±0.03mm |
Resonant frequency (kHz) | Fs= 4.5±0.5 |
Resonant impedance (Ω) | R≤500Ω |
Capacitance at 120Hz (NF) | Co=22±30% |
Standard test conditions | Temperature: 25±1℃ Humidity: 45%~75% |
Terminal strength | 80N for 1 minute |
Operating temperature range | -20℃~70℃ |
Storage temperature range | -30℃~80℃ |
Structure: