2.4. ENVIRONMENT RESISTANCE:

2.5. WELDING PERFORMANCE

2.5.1

Solderability

Switch test under such conditions and inspect after.

1)Variable temperature range ：245±5℃；

2)Dip time：2±0.5s；

Except for the
edge, the coating

should cover a
minimum 90%

2.5.2

Resistance
eat soldering

The switch will be inspect under such conditions below

There shall be
no sign of damage

mechanically
and electrically.

2.6. DURABILITY

2.6.1	Operation life	Measurement shall be made following the test set forth below: DC 12V, 50 mA resistance load; Rate of operation:40-60 times/min; Operating Force：320～350gf; Average fault-free life: 100,000 cycles	Contact resistance: ≤200mΩ Contact bounce: ≤10ms Operating Force: initial value±30%
2.6.2	Vibration	Measurement shall be made following the test set forth below: 1) Vibration frequency range: 10Hz to 55Hz to 10Hz; 2) Amplitude: 1.5mm; 3) Direction of vibration: three mutually perpendicular direction including the direction of stem travel 4) Duration: Each 2hours.
2.6.3	Operation Force	The switch is placed perpendicular to the direction of the operation, gradually force in key top center of switch, measure maximum intensity when it conducted required.	260±50gf
2.6.4	Over Travel	Switch at the vertical operating orientation placement, with a force equal to 2 times according to the static load applied on the switch button the top center, measure the top moving distance	0.25±0.10mm
2.6.5	Return force	The sample switch is installed such that the direction of switch operation is vertical and upon depressing the stem in its center to the whole travel distance, the force of the stem to return to its free position shall be measured.	60gf.min.
2.6.6	Stop strength	Placing the switch such that the direction of switch operation is vertical, and then a static load of 30N shall be applied in the direction of stem operation for a period of 1 min.	There shall be no sign of damage mechanically and electrically.
2.6.7	Stem strength	Placing the switch such that the direction of switch operation is vertical, and then the maximum force to withstand a pull applied opposite to the direction of stem operation shall be measured.	20N.min.

3. DRAWING & DIMENSION:

4.Product application

Consumer products
Communication equipments

Widely used in home appliance, electronic equipment, automatic machine,
communication equipment, car electron, apparatus and instrument, electric motion tool etc.

5.Part List

NO.	NO.	NAME	MATERIAL
1	1	TERMINAL	Brass
2	1	CASE	PA66-G30
3	1	CONTACT	SUS301 Contact side silver plating
4	1	STEM	PA66-G30
5	1	LED	GaP
6	1	LENS	PVC

Recycled plastic should not exceed 20%.

6. Deliver process

8.Additional Information (Chinese)

又叫按键开关，最早出现在日本，称之为敏感型开关，使用时以满足操作力的条件向开关操作方向施压开关功能闭合接通，当撤销压力时开关即断开，其内部结构是靠金属弹片受力变化来实现通断的。

轻触开关由：嵌件、基座、弹片、按钮、盖板组成其中防水类轻触开关在弹片上加一层聚酰亚胺薄膜。

轻触开关有接触电阻荷小、精确的操作力误差、规格多样化等方面的优势，在电子设备及白色家电等方面得到广泛的应用如：影音产品、数码产品、遥控器、通讯产品、家用电器、安防产品、玩具、电脑产品、健身器材、医疗器材、验钞笔、雷射笔按键等等。因为轻触开关对环境的条件（施压力小于2倍的弹力/环境温湿度条件以及电气性能）大型设备及高负荷的按钮都使用导电橡胶或锅仔开关五金弹片直接来代替，比如医疗器材、电视机遥控器等。

关于五脚轻触开关的脚位问题：两个引脚为一组，向开关体正确施压时四个引脚相导通，第五个引脚为接地作用。

轻触开关是随着电子技术发展的要求而开发的第四代开关产品，最早的体积为12mmx12mm，8mm又8mm两种，现在为6mm欠6om。产品结构有立式、卧式和卧式带地端三种，现在又有组合式(3M、4M、SM、6M、SM)和电位器轻触开关组合两类，满足国内各种电子产品要求。安装尺寸有6.smm火4.5mm，5.5mm又4mm和6mm又4mm三种。国外已有4.5mm又4.5mm小型轻触开关和片式轻触开关，片式轻触开关适合于表面组装。目前使用导电橡胶开关也很普及。

现在已有第五代开关—薄膜开关，功能与轻触开关相同，主要用于电子仪器和数控机床，但电阻大、手感差。为了克服手感差的现象，也有在薄膜开关内不是用银层做接触点，而是装上接触簧片。

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Illuminated And Tactile Switch