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KSD-TC-021 series

KSD-TC-021 series

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SMD轻触开关规范
开关规格
杆-位置：瞬时动作，SPST
触点额定值：12VDC，50mA
接触电阻：最大100mQ，5V直流；1A，采用电压降法
绝缘电阻：100 MQ，最小100 V DC，持续1分钟
迪尔。电强度：不允许击穿；250 V交流电持续1分钟
操作力：160土50 gf
使用寿命：50000次循环
工作温度范围：-40°C~85°C
总行程：0.2土0.10毫米

贴片轻触开关

贴片轻触开关是一种表面贴装开关，具有以下特点：

**小型化：**这些开关非常小，尺寸通常为几毫米。
**低轮廓：**它们的轮廓很低，通常低于 1 毫米。
**表面贴装：**它们直接焊接到电路板上，无需通孔。
工作原理

贴片轻触开关通常由以下组件组成：

**弹性触点：**当按压开关时，触点会弯曲并与另一个触点接触。
**固定触点：**触点连接到电路板。
**外壳：**外壳容纳触点并提供机械保护。
当开关按压时，弹性触点会弯曲并与固定触点接触，从而闭合电路。释放开关后，弹性触点会恢复其原始位置，断开电路。

类型

有许多不同类型的贴片轻触开关，包括：

**单极单掷 (SPST)：**最基本的类型，具有一个输入和一个输出。
**单极双掷 (SPDT)：**具有一个输入和两个输出。
**双极双掷 (DPDT)：**具有两个输入和两个输出。
应用

贴片轻触开关广泛用于各种电子设备中，例如：

**移动设备：**智能手机、平板电脑
**可穿戴设备：**智能手表、健身追踪器
**消费电子产品：**电视、音响系统
**工业控制设备：**人机界面、控制面板
**医疗设备：**监护仪、输液泵
优点

贴片轻触开关具有以下优点：

**小型化：**可节省电路板空间。
**低轮廓：**可用于高度受限的应用。
**可靠性：**由于其简单的设计，它们非常可靠。
**低成本：**批量生产时成本低廉。
**易于安装：**表面贴装技术使安装变得容易。


SMD Tactile Switch Specification
Switch specifications
Rod Position: Instantaneous Action, SPST
Contact rating: 12VDC, 50mA
Contact resistance: maximum 100mQ, 5V DC; 1A, using voltage drop method
Insulation resistance: 100 MQ, minimum 100 V DC, lasting for 1 minute
Dill. Electrical strength: No breakdown allowed; 250 V AC for 1 minute
Operating force: 160 ± 50 gf
Service life: 50000 cycles
Working temperature range: -40 ° C~85 ° C
Total travel distance: 0.2 ± 0.10 millimeters

Surface mounted tactile switch

Surface mount tactile switch is a type of surface mount switch with the following characteristics:

**Miniaturization: These switches are very small, typically measuring a few millimeters in size.
**Low profile: * * Their profile is very low, usually less than 1 millimeter.
**Surface mount: * * They are directly soldered onto the circuit board without the need for through holes.
working principle

Surface mount tactile switches typically consist of the following components:

**Elastic contact: When the switch is pressed, the contact will bend and make contact with another contact.
**Fixed contact: * * The contact is connected to the circuit board.
**Shell: * * The shell accommodates the contacts and provides mechanical protection.
When the switch is pressed, the elastic contact will bend and come into contact with the fixed contact, thereby closing the circuit. After releasing the switch, the elastic contact will return to its original position and disconnect the circuit.

type

There are many different types of surface mount tactile switches, including:

**Single pole single throw (SPST): * * The most basic type, with one input and one output.
**Single pole double throw (SPDT): * * has one input and two outputs.
**Bipolar Double Throw (DPDT): * * has two inputs and two outputs.
application

Surface mount tactile switches are widely used in various electronic devices, such as:

**Mobile devices: * * Smartphones, tablets
**Wearable devices: * * smartwatch, fitness tracker
**Consumer electronics products: * * TVs, sound systems
**Industrial control equipment: * * human-machine interface, control panel
**Medical equipment: * * monitor, infusion pump
advantage

Surface mounted tactile switches have the following advantages:

**Miniaturization: * * can save circuit board space.
**Low profile: * * Can be used for applications with limited height.
**Reliability: Due to their simple design, they are very reliable.
**Low cost: * * Low cost for mass production.
**Easy to install: Surface mount technology makes installation easy.
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