詳細信息
產品名稱：咪頭4.0（mm)*1.5P（2.8mm)帶針 指向性：全指向 所有產品符合ROHS標準，各個靈敏度按客戶求供貨,可特殊定制,需要更全面的產品規格書 請聯系我司客服。 |
1． | 適用范圍 Scope | 本規格書適用于駐極體電容式麥克風 This specification applies back elect ret condenser microphone | ||||||||||||||||
2. | 型號 Model No. | MIC4015P2.8-40C | ||||||||||||||||
3. | 試驗條件 Test Condition | |||||||||||||||||
3-1標準試驗條件 Standard Test Condition | 溫度/Temperature :5～35℃ 相對對濕度/Rel.Humidity:45～85%(RH) 氣壓/Pressure :86～106KPa | |||||||||||||||||
3-2判定試驗條件 Judgment Test Condition | 溫度/ Temperature :20±2℃ 相對濕度/ Rel.Humidity:60～70%(RH) 氣壓/ Pressure :86～106KPa | |||||||||||||||||
4. | 規格 Specifications | |||||||||||||||||
4-1尺寸 Dimension | Φ4.0±0.1ⅹ1.5±0.15(H)mm | |||||||||||||||||
4-2 Elect ret | Foil Elect ret | |||||||||||||||||
4-3指向性 Directivity | Omni-directional | |||||||||||||||||
4-4靈敏度 Sensitivity | -42±3DB(0DB=1V/ubar,1KHz) | |||||||||||||||||
4-5尺寸圖 Appearance and Dimension Unit: mm | ||||||||||||||||||
4-6 負載阻抗 Operating Impedance | 2.2KΩ | |||||||||||||||||
4-7 基準電壓 Standard Power Supply | 2.0V | |||||||||||||||||
4-8 操作電壓 Operating Voltage | D.C1-10V (sensitivity Reduction: Within -3DB at 1.5V Compare to 3.0V) | |||||||||||||||||
4-9 頻響特性 Frequency | 50-16,000HZ | |||||||||||||||||
4-10 消耗電流 Current Consumption | Max.0.5mA | |||||||||||||||||
4-11 信噪比 S/N Ratio | More than 42DB | |||||||||||||||||
4-12 最大輸入聲壓 Max input sound level | 110DB SPL | |||||||||||||||||
4-13 周波數特性 Typical Frequency Response Curve 全指向性 | ||||||||||||||||||
4-14回路圖 Test Circuit | ||||||||||||||||||
5. | 信賴性試驗 Reliability Test | |||||||||||||||||
經過以下所有試驗在20℃的條件下放置3小時后,麥克風的靈敏度與試驗前比較變化在3DB以內 After any following tests, the sensitivity of the microphone to be within ±3DB of initial sensitivity after 3hours of conditioning at 20℃ | ||||||||||||||||||
5-1 振動試驗 Vibration | 周波數1/Frequency1:10Hz～55Hz 振幅/Amplitude:1.52mm 變化/Change of Frequency:1 octave/min 3方向,各2小時/hours in each of 3 axes | |||||||||||||||||
5-2 高溫試驗 Dry Heat | +70℃ for 72 hours | |||||||||||||||||
5-3 低溫試驗 Dry Cold | -20℃ for 72 hours | |||||||||||||||||
5-4 高溫高濕試驗 Damp Heat | 90%～95%RH,+40℃ for 240 hours | |||||||||||||||||
5-5 溫度循環試驗 Temperature cycles | -20℃ 25℃ 70℃ -20℃ (2h) (1h) (2h) (1h) (2h) (2h)ⅹ10 cycles | |||||||||||||||||
5-6 跌落試驗 Packing drop test | Height:1m 順序:三個面各跌5次 Procedure:5 times from each of 3 axises | |||||||||||||||||
6. | 備注Note | |||||||||||||||||
6-1 動作溫度范圍 Operation Temperature | -40℃～75℃ | |||||||||||||||||
6-2 保存溫度范圍 Storage Temperature | -40℃～75℃ | |||||||||||||||||
7. | 焊接條件 Soldering Condition | |||||||||||||||||
7-1 焊接使用13W～20W的烙鐵。 The soldering copper of a type of 13W～20W shall be applied | ||||||||||||||||||
7． | 焊接條件 Soldering Condition. | |||||||||||||||||
7-2電烙鐵表面溫度低于320℃ The temperature of the working surface of the soldering copper shall be below 320℃ | ||||||||||||||||||
7-3 焊接時把麥克風嵌入散熱能力強的金屬塊內。 ECM shall be soldered fixed on the metal block(heat sink)which has the higher radiation effects said heat sink Shall contact with of ECM . | ||||||||||||||||||
7-4焊接時間控制在3秒內。 time for each terminal shall be 3 sec. | ||||||||||||||||||
7-5焊接后不能出現針孔。 The pinhole after soldering shall be avoided. | ||||||||||||||||||
7-6靜電容易破壞麥克風必須采取措施避免（電烙鐵接地，戴靜電環等。） ECM may easily destroyed by the static electricity and the countermeasure for eliminating the static electricity(the ground for soldering copper, for worktable and for human body)shall be executed. | ||||||||||||||||||
7-7 放熱板形狀 Shape of heat sink | ||||||||||||||||||
7-8 固定部孔形狀 Shape of hole at fixed part unit:mm | ||||||||||||||||||
配咪套的客戶要另外購買， 咪頭膠套網址：http://detail.1688.com/offer/42841932239.html -70-52DB各個靈敏度都有貨， 正常供貨靈敏度范圍+/-2DB,或是+/-3DB,按客戶要求供貨。 廣泛應用于：攝像頭，聲控燈，玩具等發聲產品。 關于包裝：小包裝200PCS一盒，中包裝是5000PCS一盒。 樣品需買家承擔運費 省內默認發聯昊通，優速快遞； 省外默認發優速，順豐； 需要其它快遞公司可備注。 供應各檔靈敏度咪頭價格優惠，質量保證。 | ||||||||||||||||||