- Part number : R31P1-150-1
High efficiency Cell Phone Receiver / Telephone Earphone Receiver
ELECTRICAL AND ACOUSTICAL SPECIFICATION | |
Sound Pressure Level (dB) | 105±3 at 1KHz,179mV |
Impedance(Ω) | 150±15% at 1KHz,1Vrms |
Input Power(W) | Normal 5,Max10 |
Frequency Range(Hz) | 300~3400 |
Operating Tempeature(℃) | -20~+55 |
Storage Temperature(℃) | -30~+60 |
2. Dimensions Unit: mm
3.Frequency Response
4. Reliability Test
4.1 Load Test
Power 10mW
Duration 72hrs
4.2 High Temperature Test
Temperature +60±3℃
Duration 96hrs
4.3 Low Temperature Test
Temperature -30±3℃
Duration 96hrs
4.4 Damp Heat
Temperature 40±3℃
Relative Humidity 80%-85%RH
Duration 96hrs
4.5 Drop Test
Height 75cm(in state of packing)
Times 10 (Drop onto hardwood board)
All these tests above should be measured after leaving normal temperature for 1hrs.
Sensitivity difference at 1kHz shall be within ±3dB from initial value after test.
