適合范圍:1、家用電器和其它電子設(shè)備的遙控裝置;2、超聲測(cè)距,汽車倒車防撞裝置和超聲波近接開關(guān);3、防盜、防災(zāi)設(shè)備的超聲波發(fā)射和接收。MODEL:KT58-1403■電性規(guī)格ELECTRICALSPECIFICATION:中心頻率Centerfrequency(KHz)58.0 1.0發(fā)射聲壓級(jí)TransmittingSoundPressureLevel(dB)(30cm/10VrmsSineWave) 93回波靈敏度ReceiveSensitive(dB)dB/v/ bar (0dB=V/Pa) -82波束角度-6dBDirectivity(deg)(o)水平Horizontal 120 15垂直Vertical 70 15余振Ringing(ms) 1.6功能Function發(fā)射/接收Transmitter/Receive電容capacitance(pF)(25℃)1400 20%允許輸入電壓AllowableInputVoltage(Vp-p)(40KHz)150使用溫度OperatingTemperature(℃)-40~+80存儲(chǔ)溫度StorageTemperature(℃)-40~+85端子Terminal引線LINE重量Weight(g)2.3 ■外廓和角度DIMENSIONSANDDIRECTIVITY: