|2||Net Weight||Approx 0.6g|
|3||Sound Pressure Level||-50±2dB at1KHz(0dB=1Vμba) RL=2.2 KΩ VCC=3.0 V|
|4||Impedance||2.2K±30%Ω at 1.1KHz,3.0V|
|5||Current Consumption||Max 400μA (VCC=3.0V)|
|6||Standard operation voltage||3.0V (1.1～10V)|
|7||Sensitivity reduction||Within 3dB 1.5V|
Dimensions Unit: mm
*Unit: mm; Tolerance: ±0.5mm Except Specified
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
2.1Ordinary Temperature Life Test
The part shall be subjected to 96 hours at 25±10℃. Input rated voltage
Resonant frequency, 1/2 duty Square wave.
2.2High Temperature Test
The part shall be capable of with standing a storage temperature of +85℃ for 96 hours.
2.3Low Temperature Test
The part shall be capable of with standing a storage temperature of -40℃ for 96 hours.
Relative Humidity:90%～95% Duration: 48 hours and expose to room temperature for 6 hours
2.5Temperature Shock Test
Temperature:70℃ /1hour→ 25℃/3hours→-30℃/1hour→ 25℃/3hours (1cycle)
Total cycle: 10 cycles
Standard Packaging From 1.2m(Drop on hard wood or board of 5cm thick, three sides, six plain.)
Vibration:1000cycles /min. Amplitude:1.5mm, Duration: 1 hour in each 3 axes
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.
3.Electrical And Acoustical Measuring Condition
|1.MEASUREMENT CIRCUIT||2.STRUCTURE OF MICROPHONE|