The self-drive piezoelectric buzzer has a feedback pole, generally, there are three pole leads (with 3 pins or 3 lines). Piezoelectric self-drive buzzer, mainly used in the smoke alarm. Some products have been used automated production, we have got the TS, IATF certification.
|Operating Temperature||-40 ～ +85℃|
|Storage Temperature||-40 ～ +90℃|
|Carton size||53×36.5×25 cm|