产品描述

　　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% Ω 

　　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