The CMT‑4023S‑SMT and CMT‑5023S‑SMT are magnetic transducer buzzers housed in compact footprints of 4x4mm and 5x5mm, respectively. Both buzzers feature a low profile of 2mm, a rated voltage of 3V and a rated frequency of 4kHz. The CMT‑4023S‑SMT with its 4x4mm package is among the smallest in the industry while carrying an SPL of 70dB and operating over a temperature range from -20 to +70°C. The 5mm CMT‑5023S‑SMT features an SPL of 80dB over an operating temperature range from ‑30 to +70°C.
For applications where electrical noise is more of a concern, the 9x9mm CPT‑9019S‑SMT features piezoelectric technology and a profile depth of 1.9mm – making it one of the lowest profile piezo buzzers on the market. The series delivers a maximum peak-to-peak voltage of 25V, a rated frequency of 4kHz and an SPL of 65dB. The operating temperature range for the CPT‑9019S‑SMT is from -30 to +70°C. All three models are externally driven and suitable for use in designs requiring reflow solder assembly for high-volume production.
The CMT‑4023S‑SMT, CMT‑5023S‑SMT and CPT‑9019S‑SMT are available immediately through distribution with prices starting at $1.08 each in 1,000 unit quantities. Please contact CUI Devices for OEM pricing.