福鼎 FDS-400056R50W 扬声器语音喇叭40mm报价_供应产品_江阴市福鼎通讯器材

福鼎 FDS-400056R50W 扬声器语音喇叭40mm

价格：面议

起订量： 1000 pcs

产品品牌： FD福鼎

地址：江苏省江阴市月城镇月冯路29号

联系姓名：熊欢欢

联系电话：400-8868-300

所在地区：江苏/无锡市

主营产品：蜂鸣器、喇叭、受话器、警报器

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产品详情

产品描述
产品名称：FDS-400056R50W0.5
尺寸：直径36mm
额定功率：0.5W
大功率：0.7W
阻抗：5±15% Ω
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.

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

3.FrequencyResponse Curve

4.Dimension