4 mm, 3 Vo-p, 70 dB, Surface Mount (SMT), Magnetic Audio Transducer Buzzer
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The CMT-4023S-SMT-TR is a magnetic transducer buzzer housed in a compact 4 mm x 4 mm surface mount package. Featuring a low profile of 2 mm, this micro buzzer is among the smallest in the industry and ideal for portable equipment applications.