GMD0955YB-3V2700

規 格 承 認 書 PECIFICATION FOR APPROVAL 客 戶 CUSTOMER 項 目 ITEM 型 號 ： 立创 ： 电磁有源一体蜂鸣器（内含驱动电路） TYPE ： GMD0955YB-3V2700 描述 DESCRIPTION ： φ9.0 x 5.5 mm 2700Hz DC3V ≥80dB 客戶料號 CUSTOMER NO. ： 規 格 書 號 PBT 耐高温材质 P=5 mm SPECIFICATION NO.： 版 本 EDITION NO. 日 期 DATE ： V1.1 ： 2019-12-26 客戶承認 CUSTOMER CONFIRM AND SIGN 檢查 TESTED BY 審核 CHECKED BY 承認 APPROVED BY 東莞市赢海電子有限公司 DONGUAN INGHAI ELECTRONICS CO.,LTD 製作 ISSUED BY 審查 CHECKED BY 周明 刘承成 確認 APPROVED BY 地址：廣東省東莞市長安鎮上沙管理區北橫路 8 號 電話 / TEL：0769-83060958 傳真 / FAX： 0769-81608993 網址：HTTP://WWW.INGHAI.COM 1/4 DONGGUAN INGHAI ELECTRONICS CO.,LTD Model NO: GMD0955YB-3V2700 A: DIMEMSIONS Unit:mm Tolerance:±0.5 B: SPECIFICATIONS Model NO GMD0955YB Rated Voltage 3VDC Operating Voltage 2.0~5.0VDC Max.Rated Current Max.30mA Sound Pressure level(dB)at10cm Min.80dB Resonant Frequency 2700±300Hz Operating Temperature -20 ℃~+75 ℃ Storage Temperature -30 ℃~+85 ℃ Case material and color PBT / Black 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. 2/4 C: Acoustic Characteristics The oscillation frequency, current consumption and sound pressure are measured by the measuring instruments shown below D: In the measuring test, buzzer is placed as follows: E: Typical Frequency Response Curve 3/4 F: 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. Ordinary Temperature Life Test The part shall be subjected to 96 hours at 25±10℃. Input rated voltage 2. 3. 4. 5. 6. 7. Resonant frequency, 1/2 duty Square wave. High Temperature Test The part shall be capable of with standing a storage temperature of +85℃ 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. 4/4