Audio Buzzer, 1.5–24 VDC, 3.8 mA, 12 VDC, 85 dBA, 3285–3315 Hz, Through-Hole
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The SMA-21-P10 is an audio buzzer manufactured by SONITRON. This through-hole component generates an audible tone when supplied with a DC voltage ranging from 1.5 to 24 volts. Operating at a current draw of 3.8 mA at 12 VDC, it produces a sound pressure level of 85 dBA within a frequency range of 3285 to 3315 Hz.
This audio buzzer is suitable for various audible signaling applications. Its compact size and wide voltage range enable integration into diverse electronic systems requiring an alert or indicator sound.