产品描述
产品名称：FDS-400056R50W0.5
尺寸：直径36mm
额定功率：0.5W
最大功率：0.7W
阻抗：5±15% ?
重量：10g±0.2g
共振频率：450Hz ±20%
灵敏度/声压：91dB
频率范围：5KHz
音圈直径：10.25 mm
2.Characteristics
2.1?Electrical and Mechanical Characteristics
| ITEM | SPECIFICATIONS | ||
| 01 | Type | Dynamic speaker | |
| 02 | Dimension | External diameter 36mm | |
| 03 | Rated Input Power | 0.5W | |
| 04 | Max. Input Power | 0.7W?for 1 minute | |
| 05 | Impedance | 50?ohm ± 15% at?1000Hz. | |
| 06 | Resonance Frequency (Fo) | 450Hz ± 20% at ?Fo, 1V | |
| 07 | Sensitivity (S.P.L.) | 91?dB (0.5W /?0.1m) ± 3 dB | at AVE0.8,1.0,1.2,1.5?KHz |
| 08 | Frequency Range | Fo ? 5KHz | |
| 09 | Total Harmonics Distortion | Max?8?% at 1?KHz,0.5W. | |
| 10 | Voice Coil | Diameter?10.25?mm | |
| 11 | Magnet | Rare earth permanent (Nd-Fe-B) magnet Φ9.7x1.3?mm | |
| 12 | Weight | 10g ± 0.2g | |
| 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 ??0.5W | |
| 15 | Buzz, Rattle, etc. | Should not be audible at 5.0V sine Wave between Fo to?5KHz | |
| 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 +80℃ |
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.Zero Level : -dB
3.Mode : SPEAKER
4.potentiometer Range : 50dB
5.Sweep Time : 0.5sec
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3.FrequencyResponse Curve?
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4.Dimension
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