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产品名称：按键开关
额定值：最小0.5uA
最大250mA/120V/9W交流电/6W直流电
接触电阻：最大100mΩ
绝缘电阻：最小10MΩ
绝缘强度：交流1000V，持续2分钟
总行程：1.8±0.4mm
操作力：250±50gf
使用寿命：500000次循环
工作温度：-40°C~160°C
材料：
外框：LCP
基础：LCP
执行器：LCP
端子：黄铜，镀金
产品符合：ROHS
品牌：科斯达开关 KSDKG
产地：中国东莞

按键开关是一种常见的电子元件，广泛应用于各种电子设备中。以下是对按键开关的详细描述：

1. 基本定义
按键开关是一种用于控制电路的开关设备，通过按下或释放其按钮来实现电路的开闭状态。

2. 结构特点
外壳：通常由塑料或金属制成，提供保护，并保持其形状。
按钮：用户操作的部分，通常是凸起的设计，便于按压。
触点：内部金属触点，在按下时接触，从而形成电路；松开时分开，切断电路。
弹簧：通常内置弹簧，使按钮在按压后能够自动复位。
3. 工作原理
按下按钮时，内部触点短接，实现电流的通过；松开按钮时，触点断开，电流停止流动，电路处于断开状态。

4. 类型
单极单掷（SPST）：最常见的类型，具有开和关两个状态。
单极双掷（SPDT）：可用于实现一个输入控制两个不同输出。
多极开关：可以同时控制多个电路。
防水开关：具备防水性能，适用于潮湿环境。

5. 应用领域
家用电器：如微波炉、电饭煲等。
消费电子：如手机、计算器和音响设备。
工业控制：用于机器、设备的控制面板。
自动化系统：用于场景控制、灯光系统等。

6. 优点
操作简单：用户只需轻轻按压即可，不需要额外的操作力。
直观反馈：通常可提供触觉或声响反馈，让用户确认操作。
耐用性强：应对频繁的开关操作，拥有较长的使用寿命。

7. 注意事项
安装位置：选择合适的安装位置，确保方便用户操作。
负载能力：要确保按键开关的电流和电压额定值与应用的设备相匹配。
环境适应性：在潮湿、多灰尘或化学品环境中使用时，选择合适的防护措施。
按键开关作为电子设备中重要的控制元件，以其便捷性和可靠性被广泛应用于各种场合。

按键开关具有以下几个显著特点：

1. 易于操作
用户只需轻轻按压即可实现开关功能，操作简单直观。

2. 高度可靠
一般设计耐用，可以承受多次操作而不易失效，确保长时间稳定工作。

3. 多样性
有多种类型（如SPST、SPDT等），可根据不同需求选择，提供灵活的解决方案。

4. 快速响应
具有快速的开关响应时间，能够及时完成电路的接通或断开。

5. 触觉反馈
提供触觉或声音反馈（如“咔嗒”声），让用户在操作时能感觉到反馈，确认指令已执行。

6. 多种外形设计
按键形状、颜色和尺寸多样化，能够适应不同产品的设计需求，也便于用户识别。

7. 小型化
体积小巧，适合用于紧凑空间的电子设备，节省内部空间。

8. 耐环境性
一些型号具备防水、防尘特性，适合在恶劣环境中应用。

9. 电气特性
提供不同的额定电压和电流，能够适应多种电子系统的需求。

10. 广泛应用
广泛应用于家电、消费电子、工业控制、车载设备等领域，功能多样。

这些特点使得按键开关成为日常电子设备中不可或缺的控制元件。

Product Name: Key Switch
Rated value: minimum 0.5uA
Maximum 250mA/120V/9W AC/6W DC
Contact resistance: maximum 100m Ω
Insulation resistance: minimum 10M Ω
Insulation strength: AC 1000V, lasting for 2 minutes
Total travel: 1.8 ± 0.4mm
Operating force: 250 ± 50gf
Service life: 500000 cycles
Working temperature: -40 ° C~160 ° C
Material Science:
Outer frame: LCP
Foundation: LCP
Executor: LCP
Terminal: brass, gold-plated
Product compliance: ROHS
Brand: Coaster Switch KSDKG
Origin: Dongguan, China

Button switch is a common electronic component widely used in various electronic devices. The following is a detailed description of the button switch:

1. Basic Definition
A key switch is a switch device used to control circuits, which can be turned on or off by pressing or releasing its button.

2. Structural characteristics
Shell: typically made of plastic or metal, providing protection and maintaining its shape.
Button: The part that the user operates, usually designed with a protrusion for easy pressing.
Contact: Internal metal contact that makes contact when pressed, thereby forming an electrical circuit; Separate and cut off the circuit when releasing.
Spring: Usually equipped with a built-in spring, the button can automatically reset after being pressed.
3. Working principle
When the button is pressed, the internal contacts short-circuit, allowing current to pass through; When the button is released, the contact opens, the current stops flowing, and the circuit is in a disconnected state.

4. Types
Single pole single throw (SPST): The most common type, with two states: on and off.
Single pole double throw (SPDT): can be used to achieve one input controlling two different outputs.
Multi pole switch: can control multiple circuits simultaneously.
Waterproof switch: It has waterproof performance and is suitable for humid environments.

5. Application Fields
Household appliances: such as microwave ovens, rice cookers, etc.
Consumer electronics: such as mobile phones, calculators, and audio devices.
Industrial control: a control panel used for machines and equipment.
Automation system: used for scene control, lighting systems, etc.

6. Advantages
Easy to operate: Users only need to lightly press, no additional operating force is required.
Intuitive feedback: Typically, tactile or auditory feedback can be provided to allow users to confirm the operation.
Strong durability: capable of handling frequent switch operations and has a long service life.

7. Precautions
Installation location: Choose a suitable installation location to ensure ease of user operation.
Load capacity: It is necessary to ensure that the rated current and voltage of the key switch match the equipment being used.
Environmental adaptability: When used in damp, dusty, or chemical environments, choose appropriate protective measures.
As an important control component in electronic devices, button switches are widely used in various occasions due to their convenience and reliability.

The key switch has the following significant characteristics:

1. Easy to operate
Users only need to lightly press to achieve the switch function, with simple and intuitive operation.

2. Highly reliable
Generally designed to be durable, able to withstand multiple operations without easily failing, ensuring long-term stable operation.

3. Diversity
There are multiple types (such as SPST, SPDT, etc.) that can be selected according to different needs, providing flexible solutions.

4. Quick response
It has a fast switch response time and can promptly complete the connection or disconnection of the circuit.

5. Tactile feedback
Provide tactile or auditory feedback (such as a "click" sound), allowing users to feel feedback during operation and confirm that instructions have been executed.

6. Multiple exterior designs
The button shapes, colors, and sizes are diverse, which can adapt to the design needs of different products and facilitate user recognition.

7. Miniaturization
Compact in size, suitable for electronic devices in compact spaces, saving internal space.

8. Environmental resistance
Some models have waterproof and dustproof characteristics, making them suitable for application in harsh environments.

9. Electrical characteristics
Provide different rated voltages and currents to meet the needs of various electronic systems.

10. Widely used
Widely used in fields such as home appliances, consumer electronics, industrial control, and automotive devices, with diverse functions.

These characteristics make key switches an indispensable control component in daily electronic devices.

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