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
PB1475-40S5P	13.8 x 13.8 x 7.5	3 ~ 15	5	10	80	4000	Single	Pin	PPO
PB1475-40S9P	13.8 x 13.8 x 7.5	3 ~ 15	9	10	80	4000	Single	Pin	PPO
PB1475-40S12P	13.8 x 13.8 x 7.5	3 ~ 15	12	10	85	4000	Single	Pin	PPO
PB1514-40S12P	15.4 x 15.4 x 13.8	3 ~ 16	12	30	85	4000	Single	Pin	PPO
PB2310-35S12P	23 x 23 x 9.8	3 ~ 24	12	10	90	3500	Single	Pin	PPO
PB2316-28S12P	23.5 x 23.5 x 16	3 ~ 20	12	12	90	2800	Single	Pin	PPO
PB2316-33S12P	23.5 x 23.5 x 16	3 ~ 20	12	10	90	3300	Single	Pin	PPO
PB2316A-33S12P	23 x 23 x 16	3 ~ 24	12	10	90	3300	Single	Pin	PPO
PB2319-33S12P	23 x 23 x 19	8 ~ 15	12	15	88	3300	Single	Pin	PPO
PB2319-33S24P	23 x 23 x 19	12 ~ 28	24	20	95	3300	Single	Pin	PPO
PB3015-32S12P	30 x 30 x 14.7	3 ~ 20	12	10	100	3200	Single	Pin	ABS
PB3017-35S12P	30 x 30 x 17.5	3 ~ 20	12	15	90	3500	Single	Pin	ABS
PB3020-35S12P	30 x 30 x 20	3 ~ 20	12	10	90	3500	Single	Pin	PPO
PB4020-28S12P	40 x 40 x 20	3 ~ 20	12	60	90	2800	Single	Pin	ABS
PB4314-28S12P	43 x 43 x 14	3 ~ 20	12	12	100	2800	Single	Pin	ABS
PB2211E-45S12W	22 x 22 x 10.8	3 ~ 30	12	5	80	4500	Single	Wire	ABS
PB2211EA-45S12W	22 x 22 x 10.8	3 ~ 28	12	5	90	4500	Single	Wire	ABS
PB2310E-35S12W	23 x 23 x 10	3 ~ 24	12	10	85	3500	Single	Wire	ABS
PB2310E-35S24W	23 x 23 x 10	12 ~ 28	24	15	85	3500	Single	Wire	ABS
PB2312E-33S12W	22.7 x 22.7 x 12.2	8 ~ 15	12	15	85	3300	Single	Wire	ABS