WMSIC Electronic Components

kinghelm KH-12X12X5H-SMT-D

ModelKH-12X12X5H-SMT-D
PackageSMD,12x12mm
Brandkinghelm
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
kinghelm KH-12X12X5H-SMT-D
Type
KINGHELM
Minimum package
1000 袋

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KINGHELM
Electronic Component
KH-12X12X5H-SMT-D
Electronic Component
1
Package
SMD,12x12mm
Electronic Component
Electronic Component
Electronic Component
Switch
Electronic Component
0.78g
Electronic Component
Electronic Component
Electronic Component
1
Electronic Component
BM0265398683
Electronic Component
Electronic Component
Operating Temperature
20℃~+70℃
Switch
12mm
Switch
12mm
Switch
5mm

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

KH-12X12X5H-SMT-D轻触开关产品概述

KH-12X12X5H-SMT-D是金航标(Kinghelm)推出的一款12×12×5mm小型化表面贴装(SMD)轻触开关,针对消费电子、工业控制等领域的紧凑化设计需求,平衡了尺寸、可靠性与生产效率,是批量自动化生产场景的常用选型。

一、产品核心定位

该开关聚焦小尺寸+高适配性两大核心,以12mm×12mm×5mm的紧凑规格满足手持设备、小型仪器等空间受限场景的需求;同时采用SMD封装适配自动化回流焊工艺,降低生产环节的人工成本与虚焊风险,适合中低端消费电子、工业控制终端的批量应用。

二、关键参数与封装细节

2.1 尺寸与封装

  • 外形尺寸:12mm(长)×12mm(宽)×5mm(高),方形结构便于PCB布局;
  • 封装类型:SMD(表面贴装),引脚布局符合IPC-A-610标准,兼容多数PCB设计软件的封装库。

2.2 电气性能

  • 额定参数:12V DC(电压)、50mA(电流),适配低功耗电路的控制需求;
  • 接触特性:接触电阻≤50mΩ(初始值),确保信号传输稳定;绝缘电阻≥100MΩ(DC500V),耐电压AC250V(1min),满足基本电气安全要求;
  • 寿命性能:按键按压寿命≥10万次,回弹时间≤10ms,适合常规操作频率场景。

2.3 环境适应性

  • 工作温度:-20℃~+70℃,可覆盖多数室内/户外常规场景;
  • 存储温度:-30℃~+80℃,湿度≤95%RH(无凝露),避免极端潮湿环境影响触点性能。

三、结构设计与性能优势

3.1 紧凑尺寸适配空间限制

12×12mm的方形设计与5mm低高度,可嵌入智能手机辅助按键、智能穿戴功能键、小型仪器仪表等空间紧张的产品中,不影响整体外观与内部布局。

3.2 SMD封装提升生产效率

表面贴装引脚无需通孔焊接,兼容回流焊、波峰焊工艺,批量生产时可实现自动化贴装,相比插件式开关减少30%以上的生产时间,同时降低人工焊接导致的虚焊、短路风险。

3.3 稳定接触与长寿命设计

内部采用镀金触点(厚度≥0.1μm),减少触点氧化,降低接触电阻波动;外壳选用耐高温PBT工程塑料,可承受回流焊260℃左右的高温,结构稳固不易变形;操作力(1.6N±0.3N)与行程(0.25mm±0.1mm)设计合理,按压反馈清晰,减少误触同时提升手感。

四、典型应用场景

4.1 消费电子领域

  • 智能穿戴:智能手表/手环的功能切换键、充电触点控制键;
  • 移动设备:智能手机的音量调节键、蓝牙耳机的配对/播放控制键;
  • 家用电子:小型遥控器(如电视盒子、智能音箱遥控器)的功能键。

4.2 工业控制领域

  • 小型仪器:万用表、示波器的功能选择键、参数设置键;
  • 传感器节点:环境监测传感器(如温湿度、气体传感器)的校准/复位键;
  • 工业遥控器:小型无线遥控器的通道切换、启停控制键。

4.3 智能家居与汽车电子

  • 智能家居:智能开关面板的场景切换键、安防摄像头的设置键;
  • 汽车电子:车载小屏的音量调节键、倒车雷达的灵敏度设置键。

五、选型与应用注意事项

5.1 焊接工艺要求

  • 优先采用回流焊,温度曲线需符合IPC-J-STD-020标准(峰值温度245℃±5℃,时间≤10s);
  • 避免手工焊接,若必须手工焊接,需控制烙铁温度≤350℃,焊接时间≤3s,防止引脚或外壳损伤。

5.2 PCB设计建议

  • 焊盘尺寸需匹配开关引脚规格(建议引脚间距0.8mm±0.1mm),预留0.1-0.2mm间隙防止短路;
  • 焊盘周围需避免布线过密,防止焊接时热量集中影响其他元件。

5.3 环境防护注意

  • 若应用于潮湿、多尘环境,建议配合硅胶密封或防护壳,避免水汽、灰尘进入触点区域;
  • 避免长期暴露于阳光直射或高温环境,防止外壳老化影响性能。

5.4 寿命适配建议

  • 若为高频操作场景(如每天按压≥200次),建议选用长寿命版本(≥100万次);
  • 避免过度按压(超过2N),防止触点变形或外壳损坏。

这款开关以高性价比、稳定性能与适配性,成为众多终端产品的常用选型,可满足多数常规场景的控制需求。

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