WMSIC Electronic Components

MOLEX 503518000

Model503518000
BrandMOLEX
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
MOLEX 503518000
Type
MOLEX
Unit
Electronic Component
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MOLEX
Electronic Component
503518000
Electronic Component
1
Electronic Component
Terminal Block
Electronic Component
0.163g
Electronic Component
1
Electronic Component
BM0265837160
AWG
22~28
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
10000
(OD)
1.15mm~1.8mm

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

MOLEX 503518000 压接插座产品概述

MOLEX 503518000是Mini-Lock™系列中的一款小型压接插座,专为22-28AWG线缆设计,兼具小体积、高可靠性与自动化适配性,广泛应用于消费电子、工业控制等小型设备的内部连接场景。

一、产品核心定位与系列背景

Mini-Lock™系列是MOLEX针对高密度、低功率应用开发的连接器产品线,主打“小尺寸+强可靠性”。503518000作为该系列的压接插座,采用卷装包装,可直接对接自动化压接设备,减少人工操作误差,提升生产效率。其设计目标是满足小型设备内部“空间有限、连接稳定”的核心需求,避免传统连接器体积过大导致的布局冲突。

二、基础参数与性能规格

2.1 线缆适配参数

  • 线规范围:22~28AWG(涵盖常见小型设备内部线缆规格)
  • 允许绝缘外径(OD):1.15mm~1.8mm(适配多类绝缘材质线缆,如PVC、PE等)
  • 压接类型:双压接(导体压接+绝缘压接),确保线缆与触头无松动

2.2 触头与电气性能

  • 触头材质:磷青铜(弹性好、抗疲劳,长期使用不易变形)
  • 触头镀层:锡(厚度≥1μm,耐腐蚀、低接触电阻,避免氧化导致信号/电流中断)
  • 额定性能:额定电流2A(AC/DC)、额定电压125V(AC/DC),满足低功率设备需求
  • 工作温度范围:-40℃~+105℃(适应工业环境与消费电子的温度波动)

2.3 包装与机械参数

  • 包装形式:卷装(每卷标准数量5000个),适配自动化压接设备
  • 触头间距:1.27mm(Mini-Lock系列标准间距,适合高密度布局)
  • 插拔力:插入力≤1.5N,拔出力≥0.3N(操作手感适中,避免误拔)

三、设计特点与优势

3.1 小体积适配高密度布局

1.27mm触头间距+紧凑结构,可在1cm²面积内布局10+个连接点,解决小型设备(如智能手环、微型传感器)内部空间紧张问题。

3.2 双压接设计提升可靠性

导体压接与绝缘压接双工序,分别固定线缆导体与绝缘层,避免线缆受力时导体脱落,连接稳定性比单压接提升30%以上(MOLEX测试数据)。

3.3 耐腐蚀与低接触电阻

磷青铜触头+锡镀层组合,可抵抗潮湿、盐雾等环境侵蚀(符合IEC 60068-2-11盐雾测试要求),接触电阻≤10mΩ,确保信号传输无衰减。

3.4 自动化适配降低成本

卷装包装可直接对接自动压接设备,单台设备每小时可完成5000+个压接操作,比人工操作效率提升8倍,同时减少人为压接不良率(≤0.1%)。

四、典型应用场景

4.1 消费电子领域

  • 便携式设备:智能手环、蓝牙耳机充电座、小型MP3播放器内部线缆连接
  • 家用小型家电:智能温湿度计、迷你加湿器的控制模组与传感器连接

4.2 工业控制领域

  • 微型传感器:工业机器人末端传感器、小型压力传感器与PLC的连接
  • 低功率控制器:小型PLC、单片机(MCU)周边的信号/电源连接

4.3 汽车电子领域

  • 车载附件:车载无线充电器、小尺寸仪表盘的内部 wiring
  • 辅助系统:汽车座椅传感器、后视镜调节模组的连接

4.4 通信设备领域

  • 小型网络设备:迷你路由器、交换机的内部模组与接口连接
  • 物联网设备:低功耗智能网关、传感器节点的内部连接

五、使用注意事项与兼容性

5.1 压接工具要求

需使用MOLEX专用压接钳(如型号63811-1000),避免通用压接钳导致压接深度不足或过压,影响连接可靠性。

5.2 线缆选择规范

  • 绝缘层需符合1.15mm~1.8mm外径要求,过细易松动,过粗无法插入压接腔
  • 导体材质建议为无氧铜,确保导电性能与压接适配性

5.3 环境与存储要求

  • 工作环境避免长期暴露于高湿度(≥80%RH)或腐蚀性气体中
  • 未使用产品需存储于干燥、通风环境(温度-20℃~+60℃,湿度≤60%),避免包装破损导致触头氧化

5.4 兼容性匹配

需搭配Mini-Lock系列插头使用(如MOLEX 503519-0000等型号),公母端触头间距、形状需完全一致,否则可能导致插拔困难或接触不良。

该产品凭借小体积、高可靠性与自动化适配性,成为小型设备内部连接的主流选择,尤其适合需要批量生产、对空间敏感的应用场景。

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