福鼎 FDS-2209040R8w跑道喇叭微型喇叭报价_供应产品_江阴市福鼎通讯器材

福鼎 FDS-2209040R8w跑道喇叭微型喇叭

价格：￥2.60/元pcs

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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产品描述（超薄喇叭）
产品名称：FDS-2209040R8w
尺寸：22x9mm
额定功率：0.5 W
阻抗：8±15% Ω
重量：1.5g
共振频率：20KHz
灵敏度/声压：87± 3 dB
谐振频率：600±20%Hz

频响曲线： As shown in fig(2)

1.SPECIFICATION HDK-220908ZA-1W1 (RoHS)

ITEM		SPECIFICATIONS
01	Type	Dynamic speaker
02	Dimension	External diameter 22*9 mm
03	Rated Input Power	0.5W (Long Time)
04	Max. Input Power	1.0W (Short Time)
05	Impedance	8 ohm ± 15% at 1500Hz.
06	Resonance Frequency (Fo)	900Hz ± 20% at Fo, 1V
07	Sensitivity (S.P.L.)	87dB(0.1W/0.1m) ± 3 dB	at AVE 1.2– 2.5KHz.
		90dB (0.5W / 0.1m) ± 3 dB
08	Frequency Range	Fo – 20KHz
09	Total Harmonics Distortion	Max 8 % at 1 KHz,0.5W.
10	Voice Coil	Diameter 11*4 mm
11	Magnet	Rare earth permanent (Nd-Fe-B) magnet Φ10.43.451.2mm
12	Weight	2.0g ± 5%g
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 2.0V 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℃

1. MEASURING METHOD

2-1 .Test Condition

STANDARD

Temperature : 15 ~ 35℃

Relative humidity : 45% ~ 85%,

Atmospheric pressure : 860mbar to 1060mbar.

JUDGEMENT

Temperature : 20±3℃

Relative humidity : 60% ~ 70%,

Atmospheric pressure : 860mbar to 1060mbar

2-2 . Standard Test Fixture

1.Input Power : 0.8W ( 2.53V )

2.Zero Level : -dB

3.Mode : SPEAKER

4.potentiometer Range : 50dB

5.Sweep Time : 0.5sec

2. RELIABLITY TESTS

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;
05	Thermal cycle test.	Low temperature: -30℃±3℃, temperature:+70℃±3℃, cycle: 1 hour/cycle each, and then keep 5 cycles in a room.
06	Vibration	10~200~10Hz sin-wave sweep 15min. 5G(constant) X,Y, Z 3 direction. 2 hours each, total 6 hours.
07	Fix drop test	Fix on jig. Then drop from 152cm height to the concrete floor X,y, z 6 direction. 5 times each, total 30 times.
08	Free drop test	Free drop from 100cm height to the concrete floor X,y, z 6 direction. 1 times each, total 6 times.
09	Rated Power test	Rated Power white noise is applied for 96 hours
10	Max Power test	Max power 1 min on – 2 min off 10 cycles.
11	Terminal strength test	Capable of withstand 1kg load for 30 seconds without resulting in any damage or rejection.
Criterion: After these test , the change of S.P.L shall be within ±3 dB .