A. SCOPE 範疇 This specification applies piezo audio indicator, KPEG238 此規格書適用於壓電式蜂鳴器, KPEG238 B. SPECIFICATION 規格 No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Item Resonant frequency 共振頻率 Operating Volt. range 操作電壓範圍 Current consumption 消耗電流 Sound pressure level 輸出音壓 Rated Voltage 額定電壓 Tone 聲音 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 Storage life 保存期限 Unit Specification Condition KHz 3.4 ± 0.
D. MEASURING METHOD 測量方法 S.P.L. Measuring Circuit 音壓測試接線圖 Mic : RION S.P.L meter UC30 or equivalent Mic：RION 噪音計 UC30 或同等品 E.
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 90% min. lead terminals shall be Lead terminals are immersed in rosin for 5 seconds and then immersed wet with solder. (Except the edge of terminal) in solder bath of +270±5℃ for 3±1 seconds. 浸入端子部份附著焊鍚 90%以 端子部份浸入松香溶液 5 秒後,再浸入+270±5℃溶融焊鍚槽中 3±1 秒. 上.(末端斷面不算) Lead terminal are immersed up to 1.5mm from sounder’s body in solder bath of +300±5℃ for 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 +70℃ with rated voltage applied. 在+70℃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.
