UMT-9453SA – UNIQUE SOUND
Part Number:
UMT-9453SA
Manufacturer:
Date Code:
RoHS:
RoHS Compliant
MSL:
COO:
Description:
Miniature Audio Transducer
Datasheet:
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Product Details:
The UMT-9453SA, manufactured by UNIQUE SOUND, is a miniature audio transducer designed for embedded applications requiring compact acoustic signal generation. This device utilizes a surface-mount assembly (SMA) configuration, facilitating automated PCB integration. Performance characteristics include a typical sound pressure level (SPL) output of 85 dB at 10 cm with a 3 Vrms, 1 kHz sine wave input signal, measured using a standardized IEC 60268-1 test fixture. The resonant frequency is nominally 2.3 kHz ± 300 Hz, exhibiting a corresponding impedance of 50 ohms ± 15% at resonance. The transducer’s operational voltage range spans 1.5 Vrms to 5 Vrms, with a maximum rated input power of 0.5 W. The UMT-9453SA features a mylar diaphragm and operates within a temperature range of -20°C to +70°C, suitable for diverse environmental conditions.
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