WMSIC Electronic Components

kinghelm KH-3635-CAJ

ModelKH-3635-CAJ
PackageSMD,6x3mm
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-3635-CAJ
Type
KINGHELM
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KINGHELM
Electronic Component
KH-3635-CAJ
Electronic Component
1
Package
SMD,6x3mm
Electronic Component
Switch
Electronic Component
0.264g
Electronic Component
1
Electronic Component
BM0264594939
Electronic Component
Electronic Component
Electronic Component
5
Switch
3mm
Switch
6mm
Switch
3.5mm
Electronic Component
SMD
Button
Button

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

KH-3635-CAJ 轻触开关产品概述

KH-3635-CAJ是金航标(kinghelm)推出的一款小型化卧贴式轻触开关,针对电子设备的紧凑布局需求设计,兼顾操作便捷性与可靠性,广泛适配消费电子、小型仪器等领域的小信号控制场景。

一、产品核心定位与应用方向

这款开关主打**“小体积、高集成、易安装”**,核心解决便携式/小型电子设备的按键布局痛点——传统插件开关占用空间大,而KH-3635-CAJ采用卧贴SMD封装,无需PCB钻孔,能直接贴合在电路板表面,尤其适合内部空间有限的产品(如智能手环、蓝牙耳机等)。其单刀单掷(SPST)结构满足基础通断控制,可作为菜单确认、模式切换等常用按键使用。

二、关键参数与性能详解

1. 电气性能指标

  • 额定电压:DC 12V(适用于低压小信号电路,避免高压场景)
  • 触点电流:50mA(满足轻触开关的典型控制电流需求,如信号触发、状态切换)
  • 绝缘电阻:≥100MΩ(高绝缘性能保证电路安全,防止短路或信号干扰)
  • 电路结构:单刀单掷(SPST),仅实现“通/断”两种状态,逻辑简单可靠

2. 机械与寿命参数

  • 机械寿命:50000次(经过反复按压测试,可满足日常频繁操作需求——若每日按压100次,可稳定使用1年以上)
  • 按钮形式:矩形按钮(触感清晰,操作时不易滑手,比圆形按钮更适合“确认”类操作)
  • 操作行程:约0.2-0.3mm(轻触即触发,手感舒适,避免误触)

3. 物理尺寸与安装

  • 整体尺寸:长6mm×宽3mm×高约2.5mm(超小型设计,适配紧凑PCB布局)
  • 安装方式:卧贴(SMD),引脚为SMD接片(兼容自动化贴片生产线,焊接效率高)
  • 外观设计:黑色矩形按钮/盖帽(耐脏、视觉辨识度高,与多数电子设备外壳适配)

三、设计优势与使用价值

  1. 空间利用率高:6×3mm的超小尺寸搭配卧贴安装,可在PCB上密集布局(相邻开关间距可缩小至1mm以内),适合智能手环、蓝牙耳机等“一寸空间一寸金”的产品;
  2. 安装便捷性:SMD接片引脚无需钻孔,直接通过回流焊焊接,降低PCB加工成本,同时适合自动化生产,减少人工操作误差;
  3. 操作可靠性:矩形按钮设计减少误触概率,5万次寿命可覆盖多数电子设备的生命周期(一般消费电子生命周期为1-3年);
  4. 电气安全性:100MΩ绝缘电阻远高于行业标准,可避免电路短路或信号串扰,尤其适合敏感电路(如医疗小型仪器)。

四、典型应用场景

KH-3635-CAJ的参数与设计使其适配以下场景:

  • 消费电子:智能手环(菜单切换、功能确认)、蓝牙耳机(配对、音量调节)、小型遥控器(电视/机顶盒迷你遥控器)、便携式音箱(模式切换);
  • 小型仪器:电子温度计/湿度计(模式切换)、小型万用表(功能选择)、便携式血糖监测仪(数据确认);
  • 智能家居:智能传感器节点(状态触发)、迷你智能开关(单键控制);
  • 工业控制:小型PLC模块(辅助按键)、传感器信号采集器(手动校准触发)。

五、可靠性验证与注意事项

  1. 寿命验证:5万次机械寿命经第三方测试,采用标准按压频率(10次/秒)反复测试,确保实际使用中的稳定性;
  2. 使用限制:仅适用于DC 12V以下、50mA以内的小信号电路,禁止用于高压、大电流场景(如220V市电、1A以上电流);
  3. 焊接要求:回流焊温度需符合SMD元件标准(一般230-250℃),避免高温损坏按钮结构。

这款开关以“小而精”为核心,平衡了尺寸、性能与成本,是小型电子设备按键设计的高性价比选择。

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