CMT-1603-SMT-TR – CUI INC
3 V Piezo Buzzer, 16 mm x 16 mm, SMD Mount
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- 6 month warranty on all stock items
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Overview
The CUI INC CMT-1603-SMT-TR is a compact, externally driven piezo transducer designed to generate audible alerts with a nominal 4kHz tone at a respectable 70dB SPL. Its 3V operating voltage makes it ideal for low-power embedded systems, however, a critical design consideration is the limited 3mA current draw, which necessitates careful impedance matching in the driving circuitry to ensure maximum sound pressure output without exceeding the transducer’s thermal limits. This device excels in applications demanding clear, distinct audio signaling within a minimal footprint.
Key Features
- Piezo Transducer, Externally Driven
- 3V Rated Voltage, 25V Max
- 4kHz Fundamental Frequency
- 70dB @ 3V, 10cm Sound Pressure Level
- 3mA Maximum Current Consumption
- 16.00mm x 16.00mm x 2.80mm Surface Mount Package
Applications
The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.
- Audible status indication in portable medical devices
- Low-power alert generation for IoT sensor nodes
- User feedback for consumer electronics interfaces
- Compact audible signaling in security system modules
