A.SCOPE 範疇 This specification applies piezo audio indicator, KPE-353A 此規格書適用於壓電式蜂鳴器, KPE-353A B. SPECIFICATION 規格 ■Test condition: No. Item 1 2 3 4 5 6 7 8 9 10 11 12 Unit 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 TEMP=25℃±2℃ Specification Related humidity=65±5% Condition 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 1 Solderability 焊鍚附著性 2 Soldering Heat Resistance 焊鍚耐熱性 3 Lead Wire Pull Strength 線材拉力 4 Vibration 振動試驗 5 Dorp test 落下測試 Test Condition Evaluation standard Stripped wires of lead wires are immersed in rosin for 5 seconds and 90% min. stripped wires shall be wet with solder.
F. ENVIRONMENT TEST 環境測試 No Item 1 High temp. test 高溫測試 2 Low temp. test 低溫測試 3 Humidity test 相對濕度測試 4 Temp. cycle test 溫度循環試驗 Test Condition 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 +25 置於+40℃, 相對濕度 90±5% 環境中 240 小時 ℃, buzzer shall be measured.
H.
