WMSIC Electronic Components

kinghelm KH-12X12X9H-TJ

ModelKH-12X12X9H-TJ
PackageThrough-hole, 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-12X12X9H-TJ
Type
KINGHELM
Minimum package
250 袋

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KINGHELM
Electronic Component
KH-12X12X9H-TJ
Electronic Component
1
Package
Through-hole, 12x12mm
Electronic Component
Electronic Component
Electronic Component
Switch
Electronic Component
0.928g
Electronic Component
Electronic Component
Electronic Component
1
Electronic Component
BM0265695712
Electronic Component
Through-hole
Electronic Component
5
Switch
12mm
Switch
12mm
Switch
9mm

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

KH-12X12X9H-TJ 插件式轻触开关产品概述

一、产品核心基础参数

KH-12X12X9H-TJ是金航标(Kinghelm)推出的12×12mm标准方形插件轻触开关,核心参数符合工业级电子元器件通用规范,具体如下:

  • 机械尺寸:长12mm×宽12mm×高9mm(含键帽/引脚外露部分),适配12×12mm标准PCB焊盘布局;
  • 封装类型:插件式(DIP),4脚直插设计(常规轻触开关配置);
  • 电气参数:额定电压DC12V、额定电流50mA;初始接触电阻≤100mΩ,绝缘电阻≥100MΩ(DC500V),耐电压AC250V(50Hz,1min);
  • 机械特性:操作行程0.3mm(±0.1mm),操作力1.6N±0.3N(手感舒适,无卡顿),机械寿命≥10万次(频繁按压场景可靠);
  • 环境适配:工作温度-20℃+70℃,存储温度-30℃+85℃,符合RoHS 2.0环保标准(无铅、无镉、无溴)。

二、品牌与工艺背景

金航标(Kinghelm)是国内专注于电子连接器、轻触开关等被动元器件的制造商,拥有10余年生产经验,产品覆盖消费电子、工业控制、汽车电子等领域。KH-12X12系列作为其经典产品线,采用以下工艺保障可靠性:

  • 内部触点采用银合金镀层,降低接触电阻并提升耐磨性能;
  • 外壳采用耐高温ABS+PC材料,焊接时无变形风险;
  • 生产流程通过ISO9001认证,每批次产品抽样检测电气性能与机械寿命,一致性达99.5%以上。

三、关键性能优势

  1. 紧凑空间适配:12×12mm方形封装+9mm高度,适合空间受限的PCB设计(如小型家电、便携式设备),无需额外扩展布局;
  2. 稳定信号传输:低接触电阻避免信号衰减,耐电压符合安全标准,可直接用于低压控制电路(如MCU按键输入);
  3. 高耐用性:机械寿命≥10万次,远超普通消费级开关,适合频繁操作场景(如仪器仪表功能键);
  4. 易焊接性:DIP引脚设计兼容波峰焊、手工焊接,焊接温度260℃±5℃下无引脚氧化问题,量产效率高;
  5. 环保合规:符合欧盟RoHS、中国GB/T 26572标准,可用于出口产品或绿色制造项目。

四、典型应用场景

KH-12X12X9H-TJ因尺寸小巧、性能稳定,广泛应用于以下领域:

  1. 消费电子:加湿器、空气净化器的控制按钮,蓝牙音箱/耳机的功能键,智能台灯的开关/模式切换;
  2. 工业控制:万用表、示波器的功能按键,PLC扩展模块的操作键,小型自动化设备的启停控制;
  3. 汽车电子:车载充电器的电源开关,行车记录仪的模式切换键,汽车内饰辅助控制(如座椅加热快捷键);
  4. 通信设备:路由器/交换机的状态复位键,光纤收发器的模式切换按钮。

五、选型与安装注意事项

  1. 选型匹配:若需防水场景,可搭配金航标KH-12X12-WP防水帽(IP67防护);若需长寿命(≥50万次),可选KH-12X12X9H-LT长寿命款;
  2. 焊接规范:单引脚焊接温度≤260℃,时间≤3s;避免多次焊接导致内部触点氧化;
  3. 布局要求:PCB焊盘周围预留≥1mm间隙,避免与相邻元器件干涉;键帽上方预留≥2mm操作空间;
  4. 环境防护:潮湿/多尘环境下建议加装防尘盖,避免灰尘进入触点影响性能。

KH-12X12X9H-TJ凭借高性价比、稳定性能,成为中小批量电子设备按键设计的常用选型,适用于对尺寸、寿命有明确要求的场景。

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