1. 简介SCOPE
本产品适用于不间断电源，电脑，手机等产品
This specification covers our product of Magnetic Buzzer unit for UPS，Computer, Mobile phone etc. use.
2.外观尺寸图 MECHANICAL LAYOUT & DIMENSIONS
见图 Shown in Fig.4
3.概要 GENERAL REQUIREMENTS
3.1 使用温度OPERATING TEMPERATURE RANGE: -30℃ ~ +70℃
3.2 储存温度Storage Temperature: -40℃ ~ +85℃
3.3 标准测试条件STANDARD TEST CONDITIONS:
温度Temperature: 17～25℃ 湿度Relative Humidity: 45%～80%(RH)
大气压力Air Pressure: 860～1060 MPa
3.4仲裁测试条件JUDGEMENT CONDITIONS:
温度Temperature: 20±2℃ 湿度Relative Humidity: 60%～70%(RH)
大气压力Air Pressure: 860～1060 MPa
4. 扬声器规格SPEAK ELECTRICAL AND ACOUSTICAL SPECIFICATION
4.1 声压级 Sound Press Level（SPL）：84± 3 dB SPL /1.0V/10CM at 2000Hz，in 1cc box
4.2阻抗 IMPEDANCE：5±20% ?
4.3频响曲线FREQUENCY RESPONSE CURVE: As shown in fig(2)
4.4谐振频率RESONANCE FREQUENCY:700±20%Hz in free air, 950±15% Hz 0.5w/10cm testing in 1cc box
4.5额定功率 Rated Power：0.5W in 1cc box
4.6最大功率Max. Power: 1.0W must be normal white noise for 1 minute in 1.0cc box
4.7谐波失真DISTORTION ：10%max. (Mounted in 1cc measure box and in a baffle) Test at 2Vrms/10cm fig(3)
4.8纯音检听AUDIBLE NOISE： Must be free audible noise 300Hz ~ 10KHz; 2.0Vrms, while testing in 1cc box.
4.9极性POLARITY: Right side is the “+”,As show in the picture
4.10重量Weight：Approx. 0.8g
898995850
