A. SCOPE 範疇 This specification applies piezo audio transducer, KMTG1261 此規格書適用於壓電式蜂鳴器, KMTG1261 B. SPECIFICATION 規格 No. 1 2 3 4 5 6 7 8 9 10 11 Item Operating Volt. 操作電壓 Current consumption 消耗電流 Sound pressure level 輸出音壓 Electrostatic capacity 靜電容量 Operating temp. 操作溫度 Storage temp. 儲存溫度 Dimension 尺寸 Weight (MAX) 重量 Material 材質 Terminal 端子 Environmental Protection Regulation 環保法規 Unit Specification Vp-p MAX 20 mA MAX 10 at 10Vp-p,square wave,5.0KHz. dB MIN 88 at 10cm/10Vp-p,square wave,5.0KHz.
D. TYPICAL FREQUENCY RESPONSE CURVE 頻率響應曲線 E. MEASURING METHOD 測量方法 S.P.L. Measuring Circuit 音壓測試接線圖 Input Signal: 10Vp-p,5kHz, Square Wave 輸入信號: 10Vp-p,5kHz,方波 Mic Mic S.G S.G : RION S.P.
F. MECHANICAL CHARACTERISTICS 機械特性 No. Item 1 Solderability 焊錫附著性 2 Soldering Heat Resistance 焊錫耐熱性 3 Test Condition Evaluation standard 95% surface of lead pads must Lead terminals are immersed in solder bath of +260±5℃ for 3±1second. be covered with fresh solder 端子置於錫膏內,錫膏溫度:+260±5℃. 焊接時間: 3±1 秒. 錫膏須覆蓋端子上方 95% Lead terminal are immersed in soldering bath of +360±10℃C for 3±0.5 No interference in operation second. 操作上無任何不良 端子部份浸入以+360±10℃焊鍚槽中 3±0.
H. RELIABILITY TEST 信賴性測試 No. 1 Item Test condition Evaluation standard 1.Continuous life test 高溫壽命測試(連續) 48 hours continuous operation at +55℃ with rated voltage applied. 在+55℃環境下,以額定電壓連續操作 48 小時. Operating life 2.Intermittent life test 室溫壽命測試(間歇) test A duty cycle of 1 minute on, 1 minutes off, a minimum of 5000 times at room 壽命測試 temp.( +25 ±2℃)and rated voltage applied. 在室溫下(+25 ±2℃), 以額定電壓操作, 通電 1 分鐘/斷電 1 分鐘,測試 5000 次循環. Being placed for 4 hours at +25℃, buzzer shall be measured.
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