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規 格 承 認 書 PECIFICATION FOR APPROVAL 客 戶 CUSTOMER 項 目 ITEM 型 號 ： 合信达 ： 电磁有源一体蜂鸣器（内含驱动电路） TYPE ： GMD9505RB-3V2700 描述 DESCRIPTION ： φ9.6 x H5.0mm 2700Hz 客戶料號 CUSTOMER NO. ： 規 格 書 號 DC3V ≥80dB PPO 材质 P=5 mm SPECIFICATION NO.： 版 本 EDITION NO. 日 期 DATE ： V1.1 ： 2014-6-3 客戶承認 CUSTOMER CONFIRM AND SIGN 檢查 審核 承認 TESTED BY CHECKED BY APPROVED BY 東莞市赢海電子有限公司 DONGUAN INGHAI ELECTRONICS CO.,LTD 製作 審查 確認 ISSUED BY CHECKED BY APPROVED BY 周明 李林 地址：廣東省東莞市長安鎮廈邊元灶頭工業區 16-6 號 1/4 電話 / TEL：0769-83060958 傳真 / FAX： 0769-81608993 網址：HTTP://WWW.INGHAI.COM DONGGUAN INGHAI ELECTRONICS CO.,LTD Model NO: GMD9505RB-3V2700 A: DIMEMSIONS Unit:mm Tolerance:±0.5 B: SPECIFICATIONS Model NO *Rated Voltage GMD9505RB 3VDC Operating Voltage 2~5VDC *Max.Rated Current Max.30mA *Sound Pressure level(dB)at10cm *Resonant Frequency Min.80dB 2700±300Hz Operating Temperature -20 ℃~+75 ℃ Storage Temperature -30 ℃~+80 ℃ Case material and color PPO / Black 2/4 *Value applying rated voltage(DC) 此产品可承受波峰焊 260℃，5 秒。 Measuring condition Part shall be measured under a condition (Temperature: 5～35℃, Humidity: 45%～85%R.H., Atmospheric pressure: 860 ～1060hPa) unless the standard condition (Temperature: 25±3℃, Humidity: 60±10%R.H. Atmospheric pressure: 860 ～1060hPa) is regulated to measure. 3/4 C: Acoustic Characteristics: The oscillation frequency, current consumption and sound pressure are measured by the measuring instruments shown below In the measuring test, buzzer is placed as follows: D: Typical Frequency Response Curve 4/4 E: Reliability Test After any following tests the part shall meet specifications without any degradation in appearance and performance except SPL. SPL shall not deviate more than -10 dB from the initial value 1. 2. 3. 4. 5. 6. 7. Ordinary Temperature Life Test The part shall be subjected to 96 hours at 25±10℃. Input rated voltage Resonant frequency, 1/2 duty Square wave. High Temperature Test The part shall be capable of with standing a storage temperature of +80℃ for 96 hours. Low Temperature Test The part shall be capable of with standing a storage temperature of -30℃ for 96 hours. Humidity Test Temperature:+40℃±3℃ Relative Humidity:90%～95% Duration: 48 hours and expose to room temperature for 6 hours Temperature Shock Test Temperature:75℃ /1hour→ 25℃/3hours→-30℃/1hour→ 25℃/3hours (1cycle) Total cycle: 10 cycles Drop Test Standard Packaging From 120mm(Drop on hard wood or board of 5cm thick, three sides, six plain.) Vibration Test Vibration:1000cycles /min. Amplitude:1.5mm, Duration: 1 hour in each 3 axes Note: As this product is not protected from foreign material entering, please make sure that any foreign materials (e.g. magnetic powder, washing solvent, flux, corrosive gas) do not enter this product in your production processes. The functional degradation (e.g. SPL down) may occur if foreign material enter it. 5/4