China Magnetic Buzzer Technical parameters Measuring condition Part shall be measured under a condition (Temperature: 5锝?5鈩? Humidity: 45%锝?5%R.H., Atmospheric pressure: 860 锝?060hPa) unless the standard condition (Temperature: 25卤3鈩? Humidity: 60卤10%R.H. Atmospheric pressure: 860 锝?060hPa) is regulated to measure. 1Rated Voltage3Vo-p 2Operating Voltage2-5Vo-p 3Rated CurrentMax.80mA, at 2048Hz 50% duty Square Wave 3Vo-p 4Sound Output at 10cmMin.85dB, at 2048Hz 50% duty Square Wave 3Vo-p 5Coil Resistance16卤4惟 6Resonant Frequency2048Hz 7Operating Temperature-20鈩冿綖+70鈩?/p 8Store Temperature-30鈩冿綖+80鈩?/p 9Net WeightApprox 1.6g 10RoHSYes DRAWING DIMENSION *Unit: mm; Tolerance: 卤0.5mm Except Specified *Housing Material: Black PBT Frequency Response 3Vo-p 50% duty Square wave,10cm Packing Application Delivery, shipping and service Advantage 1. Technology: We owned injection mould workshop, 3D printer, 3 meter anechoic room, to help customer products and effectively shorten the customer developing time. 2. Patent: We are a innovation-driven company, we have 25 patents include with 2 patents for invention 3. Rich production experience: We specialize in the production of buzzers, speaker alarms and ultrasonic sensors with 25 years of experience. FAQ Q: Are you trading company or manufacturer ? A: We are manufacture ,and we have built up our company since 2010 Q: Do you support OEM and ODM services锛?/strong A: Yes, surely support.we can customize products according to the drawing.China Magnetic Buzzer website:http://www.czfhds.com/magnetic-buzzer/