Standard Type Magnetic Buzzer MT1275 Series P.26 Specifications: Parameters Units MB1275A01NP MB1275A03NP MB1275A05NP MB1275A12NP Min Sound Pressure Level at 10cm dBA 75 83 83 83 Rated Voltage Vdc 1.5 3 5 12 Operating Voltage Vdc 1.4 - 2 2-5 3-7 Resonance Frequency Hz 2300 Max Operating Current mA 25 25 30 25 Tone - Continuous Continuous Continuous Continuous Operating Temperature °C -20 - +70 -20 - +70 -20 - +70 -20 - +70 Case Material - Noryl Noryl Noryl Noryl Weight g 2.0 2.0 2.0 2.0 Parameters Units MB1275B01NP MB1275B03NP MB1275B05NP MB1275B12NP Min Sound Pressure Level at 10cm dBA 75 83 83 83 Rated Voltage Vdc 1.5 3 5 12 Operating Voltage Vdc 1.4 - 2 2-5 3-7 Resonance Frequency Hz 3100 Max Operating Current mA 25 25 30 30 Tone - Continuous Continuous Continuous Continuous Operating Temperature °C -20 - +70 -20 - +70 -20 - +70 -20 - +70 Case Material - Noryl Noryl Noryl Noryl Weight g 2.0 2.0 2.0 2.0 500 2300 400 2300 9 - 15 300 2300 400 * Washable Specifications: Value applying rated voltage 300 3100 300 3100 9 - 15 300 3100 300 Unit: mm • Tolerance: 0.5mm Potting www.hk-sound.com