凯丽金蜂鸣器KLJ-8530A-5027侧发规格书.doc

MESSRS:DESCRIPTION ：SMD BUZZERPART NO. ：KLJ-8530A-5027USERS PART NO. ：DATE ：2009.03.30CUSTOMER APPROVED ：Approved ByChecked ByMade By 常 州 市 凯 丽 金 电 子 有 限 公 司 CHANGZHOU KAILIJIN ELECTRONICS CO.,LTD 地址：常州市新北区漓江路9号网址：邮箱：866电话机KLJ-8530A-5027 DATE:2009.03.30 1Electrical Characteristics VER .:0 Oscillation Frequency (Hz)2700Operating Voltage (Vp-p)46Rated Voltage (Vp-p)5Current Consumption (mA/max.)90 at Rated VoltageSound Pressure Level (dB/min.)86 at 10cm at Rated VoltageCoil Resistance ()30 4Operating Temperature ()-20 +60Storage Temperature ()-30 +80Environmental protection ruleROHSPS：Vp-p1/2duty , square wave 2Typical Frequency Response Curve 3Dimensions and Material 3-1 ShapeUnit : mm TOL：0.33-2 Material HousingLCP plastic resin (Color : Black)Leading PinTin Plated BrassWeight (Gram)0.6 4Recommend Driving CircuitThe base current Ib should high enough so that it saturates the collector current of the transistor with the CB load. 5. TESTING METHODStandard Measurement conditionsTemperature:252 Humidity:45-60%Acoustic CharacteristicsThe oscillation frequency, current consumption and sound pressure are measured by the measuring instruments shown below.In the measuring test, buzzers is placed as follows: 6. RELIABILITYITEMS METHOD OF TEST AND MEASUREMENTS PERFORMANCEColdness withstandingAfter 98 hours of being exposed to -30 environment, should be returned to normal environment for 2 hours, then re-proceed to test.No abnormality shall existHotness withstandingAfter 98 hours of being exposed to +80 environment, should be returned to normal environment for 2 hours, then re-proceed to test.No abnormality shall existHumidity withstandingAfter 98 hours of being exposed to 40 95%RH environment in actual operation, should be returned to normal environment for 2 hours, then re-proceed to test.No abnormality shall existDurabilityTesting after 1,000 hours actual continuous operation. (at standard measurement conditions)No abnormality shall existDrop withstandingA natural drop from 75cm high down to the ground.No abnormality shall existVibrationwithstandingVibration of 2,000 cycles per minute, 2mm amplitude, ap