CUI Devices CPT Piezo Buzzer Transducers

CUI Devices CPT Piezo Buzzer Transducers are externally driven indicators that are available in surface-mount or through-hole mounting styles. These devices operate at frequencies up to 4.1MHz. CUI Devices piezo transducers offer a 78dB to 108dB sound pressure level (SPL) range and an operating temperature range from -40°C to +120°C. The CPT buzzer transducers are ideal for a variety of consumer electronics, industrial, and portable equipment applications.


  • Mounting styles
    • Surface mount (brass with tin plating)
    • Through hole (phosphor bronze with gold plating)
  • Externally driven
  • Piezo


  • Consumer electronics
  • Industrial
  • Portable equipment


  • Operates at frequencies up to 4.1MHz
  • 78dB to 108dB SPL range
  • -40°C to +120°C operating temperature range


Published: 2019-09-23 | Updated: 2023-09-01