Thru Hole Piezo Electric Transducer / Buzzer 1.5VAC 22mmx7mm PKM22EPP-40

This 22mm plastic encased piezo buzzer has through hole leads. Just give it an AC signal between 1.5V and 30V and you'll have a buzz that can be heard at 75dB @ 1.5V.

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This 22mm wide Piezo Electric Transducer is a buzzer. Most piezo electric transducers, including this one, require an AC or alternating signal to power them. Just hook this buzzer up to a 1.5V - 30V AC power source and your projects will have sound!

Operating Voltage: 1.5-30V AC (Alternating current)
Rated Voltage: 1.5Vac
Max Voltage: 30Vac
Resonant Frequency: 4kHz
Sound Pressure Level: 75dB
Diameter: 0.79" (20mm)
Height: 0.28" (7mm)
Connector Type: Throgh Hole Pins
Tone Type: External Drive
Color: Black
Operating Temperature: -20°C ~ 70°C

Want to use this Buzzer with a DC power source? Below you'll find a simple oscillator circuit to get this buzzer running with a 555 timer, 2 resistors and a capacitor. Otherwise, just pick up one of our Solid State Buzzers with a built in oscillator circuit!