29875PK-20A35 EWQ PK-20A35EWQPK-20A35EWQHitpoint piezo buzzer series PK.
piezo buzzers with a built-in driver circuit and a low current consumption
suitable for panel mounting
very clear, constant and penetrating sound
operating voltage range: 1,5 to 30V DC
operating temperature: -20 to +70°C