Murata 7BB Piezoelectric Diaphragms

Murata 7BB Piezoelectric Diaphragms are available within a wide range of resonance frequencies and impedance values. These diaphragms have an external drive, feature no contacts, and are highly reliable with no noise. The diaphragms are compact and thin and have low power consumption for the voltage type. 7BB piezoelectric diaphragms find applications in commercial and industrial applications, like digital cameras, clocks, and calculators.

Features

  • Clear sound
  • Low power consumption
  • No noise and high reliability as there are no contacts
  • Thin, compact, and lightweight
  • Variant available with wire leads

Applications

  • Burglar alarms
  • Calculators
  • Clocks
  • Digital cameras

Technical Specifications

Parameters Values
Diameter 12mm to 41mm
Operating temperature range -20°C to 70°C
Capacitive tolerance ±30%
Frequency 2.2kHz to 9kHz