The piezo buzzer main structure has a piezo element and built-in oscillation source. Its advantages are simple structure; it is suitable for designs that require high sound pressure level (SPL) and low current consumption. However, a larger size is needed if a higher sound pressure level is required. Several models are available in many tones for applications such as alarm, anti-theft, and reversing. In addition, various terminals are available, such as SMT, pin, and wire.

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Model No	Size (mm)	Operating Voltage (Vdc)	Rated Voltage (Vdc)	Current (mA)	S.P.L. (dBA)	Freq. (Hz)	Tone	Terminal	Housing
PB2317E-37S12W	23 x 23 x 17	3 ~ 16	12	8	90	3700	Single	Wire	ABS
PB2319E-33S12W	23 x 23 x 19	1 ~ 18	12	15	85	3300	Single	Wire	ABS
PB3010E-35S12W	29.8 x 29.8 x 10	3 ~ 28	12	15	85	3500	Single	Wire	ABS
PB3015E-23S12W	30 x 30 x 15	3 ~ 24	12	25	90	2300	Single	Wire	ABS
PB3114E-35S9W	31 x 31 x 14	3 ~ 20	9	8	95	3500	Single	Wire	ABS
PB3214E-35S12W	32 x 32 x 13.5	3 ~ 28	12	10	90	3500	Single	Wire	ABS
PB4216E-28S12W	42 x 42 x 16	3 ~ 28	12	15	90	2800	Single	Wire	ABS
PB4216E-28S24W	42 x 42 x 16	3 ~ 28	24	15	95	2800	Single	Wire	ABS
PB4216E-28SP12W	42 x 42 x 16	3 ~ 28	12	15	90	2800	Slow Pulse	Wire	ABS
PB4216E-28SP24W	42 x 42 x 16	3 ~ 28	24	15	95	2800	Slow Pulse	Wire	ABS
PB4218E-29S12W	41.8 x 41.8 x 18	3 ~ 18	12	15	90	2900	Single	Wire	ABS
PB4218E-20.29R24W	41.8 x 41.8 x 18	15 ~ 28	24	25	95	2000 ~ 2900	Siren	Wire	ABS
SPB1470-40S5	14 x 14 x 7	4 ~ 16	5	8	85	4000	Single	SMT	LCP
SPB1470-40S12	14 x 14 x 7	4 ~ 16	12	10	90	4000	Single	SMT	LCP
SPB1775-40S12	17 x 17 x 7.5	3 ~ 20	12	8	93	4000	Single	SMT	PPS
XPB2825-35S12W	28 x 28 x 25	3 ~ 24	12	15	82	3500	Single	Wire	ABS
XPB2825-35S24W	28 x 28 x 25	12 ~ 30	24	15	82	3500	Single	Wire	ABS
XPB2825-35SP12W	28 x 28 x 25	3 ~ 24	12	15	82	3500	Slow Pulse	Wire	ABS
XPB2925-37S12W	29.5 x 29.5 x 25	3 ~ 24	12	15	90	3700	Single	Wire	ABS
XPB2925-37SP12W	29.5 x 29.5 x 25	3 ~ 24	12	15	90	3700	Slow Pulse	Wire	ABS