WMSIC Electronic Components

kinghelm KH-BM2.54-4P

ModelKH-BM2.54-4P
PackageThrough-hole
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-BM2.54-4P
Type
KINGHELM
Minimum package
40 管装

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KINGHELM
Electronic Component
KH-BM2.54-4P
Electronic Component
1
Package
Through-hole
Type
Flat slide, Raised type
Electronic Component
DIP Switch
Electronic Component
0.96g
Electronic Component
Electronic Component
Pitch
2.54mm
Electronic Component
1
Electronic Component
BM0264862407
Electronic Component
2
Operating Temperature
20℃~+70℃
Positions
4 positions
Electronic Component
PC

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

金航标KH-BM2.54-4P平拨开关产品概述

金航标(Kinghelm)KH-BM2.54-4P是一款专为轻载控制场景设计的4位平拨凸起式开关,采用插件(PC引脚)封装,凭借标准2.54mm脚间距、稳定的电气性能及可靠的机械结构,广泛适配各类小型电子设备的模式切换、参数设置等需求。

一、产品核心定位与关键特性

KH-BM2.54-4P定位于低压小电流控制场景下的轻载档位切换,核心特性集中在以下几点:

  1. 4位独立切换:可实现4组功能状态的独立选择,满足多模式控制需求;
  2. 平拨凸起式操作:凸起设计便于快速识别当前档位,盲操作手感清晰;
  3. 标准PC引脚:插件式封装适配传统PCB焊接,兼容性强,焊接可靠性高;
  4. 2.54mm标准脚间距:与行业通用焊盘设计一致,无需特殊板设计即可适配;
  5. 红色外观:档位状态辨识度高,便于设备端快速排查。

二、关键参数详细说明

KH-BM2.54-4P的电气与机械参数经过标准化设计,适配常规应用环境:

  • 开关位数:4位(独立通断控制,每一位可单独切换);
  • 引脚样式:PC引脚(插件式,引脚长度适配常规1.6mm厚度PCB);
  • 脚间距:2.54mm(符合IEC标准,与多数PCB焊盘匹配,无需定制板);
  • 额定电气参数:额定电流100mA(DC),额定电压24V(DC),适用于低压直流控制,禁止过载;
  • 环境适应性:工作温度范围-20℃~+70℃,满足室内及常规户外(非极端温湿度)使用;
  • 机械寿命:2000次操作(正常轻载切换下,可支撑长期使用需求);
  • 外观颜色:红色(开关本体及操作凸起采用红色设计,提升状态可见性)。

三、结构设计与工艺优势

该开关的结构设计兼顾操作便利性与可靠性:

  1. 凸起式操作机构:操作凸起高度适中(约1.5mm),手指按压时触感清晰,避免误触;
  2. PC引脚设计:引脚采用铜质材料,表面镀锡处理,焊接时浸润性好,减少虚焊风险;
  3. 紧凑封装:整体尺寸(长×宽×高)约10mm×6mm×5mm,适配小型设备内部空间,不占用过多PCB面积;
  4. 外壳防护:采用工程塑料(ABS)外壳,绝缘性能稳定,抗轻微冲击(非防水设计,避免潮湿环境)。

四、典型应用场景

KH-BM2.54-4P因参数特性,主要适用于以下轻载控制场景:

  1. 小型电子设备档位切换:如豆浆机、加湿器的模式选择(如“煮粥/米糊”)、玩具的功能切换(如“前进/后退/停止”);
  2. 仪器仪表参数设置:如小型万用表的量程切换、温湿度传感器的报警阈值设置;
  3. 工业控制辅助设置:如小型PLC的输入模式选择、传感器模块的通信参数切换;
  4. 消费电子功能切换:如遥控器的频道锁定、蓝牙音箱的模式切换(如FM/蓝牙/AUX)。

五、品牌与可靠性保障

金航标(Kinghelm)作为国内专业电子元器件品牌,KH-BM2.54-4P遵循GB/T 15287-2019《电子设备用开关》标准设计,出厂前经过三项核心测试:

  1. 通断可靠性测试:每批次抽检10%,确保1000次切换无接触不良;
  2. 绝缘电阻测试:DC500V下绝缘电阻≥100MΩ;
  3. 机械寿命抽检:每批次抽检5%,完成2000次操作后性能无衰减。

六、选型与使用注意事项

为确保产品性能与寿命,使用时需注意:

  1. 焊接要求:采用常规电烙铁焊接(温度≤350℃,时间≤3秒/引脚),避免过热损坏引脚或外壳;
  2. 负载限制:严禁超过额定电流100mA、电压24V,过载会导致触点烧蚀,缩短寿命至500次以内;
  3. 环境要求:避免在湿度>85%RH、温度超范围的环境中使用,防止引脚氧化;
  4. 安装方式:仅适用于PCB插件焊接,禁止手工弯折引脚(弯折角度>15°会导致引脚断裂)。

总结:KH-BM2.54-4P是一款性价比高、适配性强的4位平拨开关,适合轻载控制场景下的多档位切换需求,是小型电子设备、仪器仪表等领域的可靠选择。

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