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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:
