Piezo active buzzer directly connected to the DC power supply can work, the advantage is high sound pressure, high sensitivity, power consumption, generally in 20ma below, not more than 100ma, good reliability, low power consumption, no circuit.It is mainly used in security, air conditioning, refrigerator, instrumentation, reversing radar, microwave oven , printer, copier, alarm, electronic toys, automotive electronics, telephones, timers, Audio equipment, cars, supermarket gating, and other electronic products. The monthly supply of 5 million buzzers, we have got the TS, IATF certification.
|Image||Details||Model||Dimension||Rated Voltage||Resonant Frequency||SPL||Current||Operating Voltage|
|View detail »||MSPS42B||41.7 * 18mm||12VDC||3500±500Hz||≥85dB@10cm||≤25mA||5~18VDC|
|View detail »||MSPS42A||41.8 * 16mm||12VDC||2800±500Hz||≥105dB@10cm||≤10mA||3~20VDC|
|View detail »||MSPS40C||40 * 20mm||12VDC||3000±500Hz||≥105dB@10cm||≤20mA||3~20VDC|
|View detail »||MSPS23A||23 * 10mm||12VDC||3500±500Hz||≥90dB@10cm||≤15mA||3~20VDC|
|View detail »||MSPS30H||29.5 * 24.5mm||24VDC||3500±500Hz||≥100dB@30cm||≤30mA||3~28VDC|