A.SCOPE 範疇 This specification applies piezo audio indicator, KPEG276A 此規格書適用於壓電式蜂鳴器, KPEG276A B. SPECIFICATION 規格 No. 1 2 3 4 5 6 7 8 9 10 11 12 13 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 Unit Specification KHz 2.8 ± 0.
D. Measuring Method 測量方法 1.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.MECHANICAL CHARACTERISTICS 機械特性 No. Item Test Condition 1 Solderability 焊錫附著性 2 Soldering Heat Resistance 焊錫耐熱性 3 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.
F. ENVIRONMENT TEST 環境測試 No 1 2 3 Item Test Condition High temp. test 高溫測試 Low temp. test 低溫測試 Humidity test 相對濕度測試 Evaluation standard After being placed in a chamber at +95℃ for 240 hours 置於+95℃環境中 240 小時 After being placed in a chamber with –40℃for 240 hours 置於-40℃ 環境中 240 小時 After being placed in a chamber at +40℃ and 90±5% relative humidity for 240 hours Being placed for 4 hours at 置於+40℃, 相對濕度 90±5% 環境中 240 小時 +25℃, buzzer shall be The part shall be subjected to 5 cycles.
H.
