产品名称：FDS-3020048R8W1.0
尺寸：20mm
额定功率：1.2 W
MAX功率：1.5 W
阻抗：8±15% Ω
重量：3.5g ± 0.2g
共振频率：900Hz ± 20%
灵敏度/声压：98± 3 dB
频率范围：20KHz
ITEM
SPECIFICATIONS
01
Type
Dynamic speaker
02
Dimension
External diameter 30×20 mm
03
Rated Input Power
1.2W
04
Max. Input Power
1.5W
05
Impedance
8 ohm ± 15% at 2000Hz.
06
Resonance Frequency (Fo)
900Hz ± 20% at Fo, 1V
07
Sensitivity (S.P.L.)
98dB(1.2W/0.1m) ± 3 dB
at AVE 1.0 ,1.2,1.5,2.0KHz.
08
Frequency Range
Fo – 20KHz
09
Total Harmonics Distortion
Max 8 % at 1 KHz,1.2W.
10
Voice Coil
Diameter 10.5 mm
11
Magnet
Rare earth permanent (Nd-Fe-B) magnet Φ9.8 x 1.5 mm
12
Weight
3.5g ± 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 – 1.2W
15
Buzz, Rattle, etc.
Should not be audible at 3.1V 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℃
Test Condition
STANDARD
Temperature : 15 ~ 35℃
Relative humidity : 25% ~ 85%,
Atmospheric pressure : 860mbar to 1060mbar.
BASIC
Temperature : 20±3℃
Relative humidity : 60% ~ 70%,
Atmospheric pressure : 860mbar to 1060mbar
Standard Test Fixture
1.Input Power : 1.2W ( 3.1V )
2.Zero Level : -dB
3.Mode : SPEAKER
4.potentiometer Range : 50dB
5.Sweep Time : 0.5sec
