产品描述(超薄喇叭) 2.Characteristics ITEM SPECIFICATIONS 01 Type Dynamic speaker 02 Dimension External diameter 50?mm 03 Rated Input Power 0.5 W 04 Max. Input Power 1.0 W?for 1 minute 05 Impedance 16?ohm ± 15% at 1000Hz. 06 Resonance Frequency (Fo) 300 Hz ± 20% at ?Fo, 1V 07 Sensitivity (S.P.L.) 98dB (0.5W /?0.1m) ± 3dB at AVE 0.6K,0.8K,1.0K,1.2?KHz 08 Frequency Range Fo ? 20 ?KHz 09 Total Harmonics Distortion Max 8 % at 1 KHz,0.8W. 10 Voice Coil Diameter 13.3?mm 11 Magnet Rare earth permanent (Nd-Fe-B) magnet Φ12.5x2.0?mm 12 Weight 13.2g ± 0.5g 13 Appearance Should not exist any obstacle to be harmful to normal operation; damages, cracks, rusts and distortions, etc. 14 Operation Test Must be normal at program source ? 0.5 W 15 Buzz, Rattle, etc. Should not be audible at 2.83 V sine Wave between Fo to 20KHz 16 Polarity When positive voltage is applied to the terminal marked (+), diaphragm should move to the front. 17 Terminal Strength Capable of withstand 1kg load for 30 seconds without resulting in any damage or rejection. 18 Temperature Operating temperature: -20℃ to +60℃ Storage ?temperature: -30℃ to +70℃ 2.1?Electrical and Mechanical Characteristics 2.2.?MEASURING METHOD Test Condition A.STANDARD Temperature : 15 ~ 35℃ ? Relative humidity : 25% ~ 85%, Atmospheric pressure : 860mbar to 1060mbar. Atmospheric pressure : 860mbar to 1060mbar. ? ?B.BASIC Temperature : 20±3℃ Relative humidity : 60% ~ 70%, Atmospheric pressure : 860mbar to 1060mbar C.Standard Test Fixture 1.Input Power :0.5 W ( 2.83 V ) 2.Zero Level : -dB 3.Mode : SPEAKER 4.potentiometer Range : 50dB 5.Sweep Time : 0.5sec 3.FrequencyResponse Curve ? 4.Dimension ? 5.?Reliability?test ? Items. Specifications 01 High temp. Test Keep 96 hours at +70℃±3℃ and leave 3 hours in normal temperature and then check 02 Low temp. Test Keep 96 hours at -30℃±3℃ and leave 3 hours in normal temperature and then check 03 Humidity test Keep 96 hours at + 60℃±3℃ relative humidity 95% and leave 3 hours in normal temperature and then checked. 04 Temp./Humidity cycle The part shall be subjected 5 cycles. One cycle shall be 12 hours and consist of;
产品名称:FDS-500080R8W1.0
尺寸:直径50 mm
额定功率:0.5 W
最大功率:1.0 W
阻抗:16±15% ?
重量:13.2g ± 0.5g
共振频率:300Hz?
灵敏度/声压:80± 3 dB
谐振频率:300±20%Hz
频率范围:20kHz
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