Huaneng suministro electrónico SMD zumbador de parche electromagnético MLT-9025 zumbador de POS inteligente

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SKU:45754138482

Stock:100000

Precio: 0,14 USD

Imagen	SKU	Atributos	Stock	Precio	Agregar
	45754138482		100000	0,14 USD

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Artículo No.

MLT-9025

Marca

Huaneng electrónico HNDZ

Modelo

MLT-9025

Tipo

Zumbador (pieza)

Modo de conducción

Tipo electromagnético

Material

LCP

Tamaño de la especificación

9*2,5

Número de canales

Mono

Si la exportación transfronteriza está disponible exclusivamente

型号：MLT-9025

图框_副本 001

1111

9025 1

9025 2

产品说明

1.测试条件

产品测试条件：温度：5～35℃，湿度：45%～85%R.H.，气压：860 ～1060hPa。
标准测试条件：温度：25±3℃, 湿度：60±10%R.H. 气压：860 ～1060hPameasure.

1	额定电压(Vo-p)	3.0 Vo-p
2	工作电压(Vo-p)	2～4 Vo-p
3	额定电流 (mA)	Max.90mA ,at 2700Hz 50% duty Square Wave 3Vo-p
4	输出音压 (dB)	Min. 85dB,at 2700Hz 50% duty Square Wave 3Vo-p
5	电阻（Ω）	16±3Ω
6	谐振频率(Hz)	2700Hz
7	工作温度(℃)	-20℃～+70℃
8	工作温度(℃)	-30℃～+80℃
9	净重(g)	Approx 0.5g
10	环保	Yes

2.尺寸图单位: mm

*基本公差: 除特殊注明外，一般公差为±0.3mm
*外壳材料: Black LCP
*端子焊盘: 2个黄铜镀锡焊盘

3.电性能及声音测试条件
测试电路测试装置

谐振频率是占空比为50% 的方波，信号电压要足够让晶体管饱和工作。

4. 频响曲线

在3Vo-p占空比为50%的方波,测试距离为10cm的条件

5. 回流焊条件

5.1回流焊曲线图

注意事项: (1) 产品经过回流焊机后，所有电性能要保持在规格书的范围内。
(2)回流焊的操作温度一定要在推荐范围之内。如果超出范围都有可能影响到产品的性能。

5.2焊盘位置

6. 可靠性测试
在下面任何一项测试后都要符合以下标准，外观和电性能(除声压外)上不能有不良或衰减现象出现，声压不能低于规格说明书的最低声压的10dB。

6.1寿命测试
将测试件置于25±10℃的温度下，输入额定电压、占空比为1/2的谐振频率方波测试96小时。
6.2高温测试
将测试件置于+85℃的温度下存放96小时，取出置于常温下3小时而后测试。
6.3低温测试
将测试件置于-40℃的温度下存放96小时，取出置于常温下3小时而后测试。

6.4湿度测试
将测试件置于温度+40±3℃,湿度90%～95%的条件下持续48小时，再置于室温下6小时而后测试。
6.5温度冲击测试
将测试件置于以下温变条件下：70℃2小时→-20℃2小时(1周期)，做完一个周期实验，过1个小时后再继续下一次实验，总测试周期数: 10个周期。

6.6落地测试
将测试件标准包装后(包装盒的3个边6个面)从1.2米的高度下跌落到厚木板或5厘米厚的硬木板上。
6.7机械振动测试
按以下条件实验后再测试：振速:1000次/分；振幅:1.5毫米；时间: 1小时更换一个自由度方向共3个自由度方向。

注意:
需避免无关材料进入产品内，无关材料如：磁性材料、水溶性的材料、腐蚀性的气体等。因为这些无关材料将会影响产品的电性能。

7.包装

SPECIFICATION

No.	Item	Unit	Specification	Condition
1	Oscillation Frequency	Hz	2700	Vo-p=1/2duty , square wave
2	Operating Voltage	Vo-p	2 ~ 4
3	Rated Voltage	Vo-p	3
4	Current Consumption	mA	MAX. 100	at Rated Voltage
5	Sound Pressure Level	dB	MIN. 85	at 10cm at Rated Voltage
6	Coil Resistance	Ω	16±3
7	Operating Temperature	℃	-30 ~ +70
8	Storage Temperature	℃	-40 ~ +85
9	Dimension	mm	Φ9.0x H3.2	See appearance drawing
10	Weight (MAX)	gram	0.8
11	Housing Material		LCP( Black )
12	Leading Pin		Tin Plated Brass(Sn)	See appearance drawing
13	Environmental Protection Regulation		RoHS

C. APPEARANCE DRAWING

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Tol : ± 0.3 Unit: mm

D.TESTING METHOD
Standard Measurement conditions
Temperature:25±2℃ Humidity:45-65%

Acoustic Characteristics:
The oscillation frequency, current consumption and sound pressure are measured by the measuring instruments shown below undefined

In the measuring test, buzzer is placed as follows:

E. Typical Frequency Response Curve

F. Recommend Driving Circuit
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The base current Ib should high enough so that it saturates the collector current of the transistor with the CB load.

G. Soldering Condition
(1)Recommendable reflow soldering condition is as follows
(Reflow soldering is twice)
Note:It is requested that reflow soldering should be executed after heat of product goes down to normal.

Heat resistant line undefined

(Used when heat resistant reliability test is performed)
(2)Manual soldering
Manual soldering temperature 350 ℃ within 5 sec.

H. RELIABILITY TEST

NO.	ITEM	TEST CONDITION AND REQUIREMENT
1	High Temperature Test (Storage)	After being placed in a chamber with 852℃ for 96 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: 10dB.
2	Low Temperature Test (Storage)	After being Placed in a chamber with -402℃ for 96 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: 10dB.
3	Humidity Test	After being Placed in a chamber with 90-95% R.H. at 402℃ for 96 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: 10dB.
4	Temperature Cycle Test	The part shall be subjected to 5 cycles. One cycle shall be consist of: Allowable variation of SPL after test: 10dB.
5	Drop Test	Drop on a hard wood board of 4cm thick, any directions ,6 times, at the height of 75cm . Allowable variation of SPL after test: 10dB.
6	Vibration Test	After being applied vibration of amplitude of 1.5mm with 10 to 55 Hz band of vibration frequency to each of 3 perpendicular directions for 2 hours . Allowable variation of SPL after test: 10dB.
7	Solderability Test	Lead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of +3005℃ for 31 seconds . 90% min. lead terminals shall be wet with solder (Except the edge of terminals).
8	Terminal Strength Pulling Test	The force of 9.8N(1.0kg) is applied to each terminal in axial direction for 10 seconds. No visible damage and cutting off.

TEST CONDITION.
Standard Test Condition : a) Temperature : +5 ~ +35℃ b) Humidity : 45-85% c) Pressure : 860-1060mbar
Judgment Test Condition : a) Temperature : +25 ± 2℃ b) Humidity : 60-70% c) Pressure : 860-1060mbar

I. PACKING STANDARD

Huaneng suministro electrónico SMD zumbador de parche electromagnético MLT-9025 zumbador de POS inteligente

产品说明

Rated Voltage

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