Micro buzzer targets space-constrained applications

Update: October 29, 2021

CUI Devices’ Audio Group has introduced a magnetic transducer buzzer in a 3.2 × 3.2-mm surface-mount package to its family of micro buzzers, making it among the smallest in the industry. The CMT-322-65-SMT-TR micro buzzer also features a low profile of 2 mm and is suited for portable equipment and other space-constrained designs.

Micro buzzer targets space-constrained applications

Click for a larger image. (Source: CUI Devices)

Key specifications include a sound pressure level (SPL) of 65 dBA at 10 cm, a rated voltage of 3 Vo-p, low current consumption of 120 mA, and a rated frequency of 4 kHz. The operating temperature range is -20°C to 70°C. The device offers reflow solder compatibility.

The CMT-322-65-SMT-TR audio magnetic transducer is available now with prices starting at $1.65 per unit at 500 pieces through distribution. Please contact CUI Devices for OEM pricing. Lead time is from stock to eight weeks. A resource library offers additional information.

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