WMSIC Electronic Components

MOLEX 39301080

Model39301080
PackageP=4.2mm
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

13 specifications

Core information

Product name
MOLEX 39301080
Type
MOLEX
Minimum package
225 袋

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MOLEX
Electronic Component
39301080
Electronic Component
1
Package
P=4.2mm
Electronic Component
2.969g
Electronic Component
1
Electronic Component
BM0265106332
Electronic Component
Electronic Component
Electronic Component
225

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

MOLEX 39301080线对板针座产品概述

一、产品基本定位与核心规格

MOLEX 39301080是一款专为中功率传输场景设计的工业级线对板针座,属于MOLEX标准连接器系列。其核心规格清晰明确:采用2排×4针(2x4P) 插针布局,针脚间距(Pitch)为4.2mm,安装方式为弯插式(针脚垂直于塑料基座平面),总针数8P,行距与针脚间距一致(4.2mm)。作为MOLEX的成熟产品,该针座以稳定的电气性能和可靠的机械结构,适配各类需要中高压、中电流传输的设备。

二、关键电气性能参数

该针座的电气参数针对性满足中功率场景需求,无需额外降额即可稳定运行:

  • 额定电流:13A/针,远高于常规2.54mm间距针座(通常1-3A),可承载伺服电机、小型电源模块等中功率负载;
  • 额定电压:600V AC/DC,覆盖工业380V系统、新能源充电桩等高压应用;
  • 工作温度范围:-40℃~+105℃,适应极端环境(如北方户外设备、高温车间)的长期稳定运行。

三、机械结构与材质特性

3.1 触头系统

触头采用黄铜(铜合金) 材质,兼具优异导电率(约40% IACS)和机械强度;表面镀纯锡,作用是:

  • 降低接触电阻(减少发热,提升效率);
  • 防止触头氧化(延长使用寿命,潮湿/含硫环境下仍稳定)。

3.2 塑料基座

基座选用PA66(聚酰胺66) 工程塑料,核心优势:

  • 耐温性:长期使用温度可达100℃以上,匹配工作温度上限;
  • 阻燃性:符合UL94V-2等级,火灾时延缓火焰蔓延(垂直燃烧测试中火焰持续≤30秒);
  • 耐化学性:耐油、耐弱酸碱,适配工业现场复杂环境。

3.3 结构设计

  • 弯插式安装:针脚垂直于基座,实现PCB板侧面出线,避免正面占用布局空间,适合紧凑型设备;
  • 4.2mm间距:比常规间距宽,提升相邻针脚绝缘性能(减少爬电风险),同时降低触头间热干扰。

四、安装与适配性

39301080采用插件式(Through-Hole) 安装,需将针脚插入PCB通孔后通过波峰焊固定。弯插设计的优势:

  • 安装时便于定位,减少焊接误差;
  • 插件式载流能力高于贴片式,适配13A额定电流;
  • 可与MOLEX同系列线端连接器(如39-01-2080)直接对接,无需额外适配件,简化系统设计。

五、环境适应性

除工作温度范围外,PA66基座的耐湿性能(吸水率≤2.5%)可适应湿度变化较大的场景(如户外充电桩、沿海工业设备);黄铜触头的耐腐蚀性(锡镀层)可抵抗轻微盐雾侵蚀,进一步拓展应用边界。

六、典型应用场景

39301080的参数与结构使其适配多领域:

  1. 工业自动化:PLC输入输出模块、伺服驱动器、机器人关节控制器(需中功率信号+电源传输);
  2. 新能源:充电桩控制板、储能系统BMS(电池管理系统)接口(需600V高压+13A电流);
  3. 汽车电子:车载信息娱乐系统、传感器模块(适应-40℃~85℃车内温度);
  4. 医疗设备:监护仪、输液泵(需UL94V-2阻燃+稳定电气性能)。

总结:MOLEX 39301080以中功率传输为核心设计,兼顾电气稳定性、机械可靠性与环境适应性,是工业、新能源等领域的高性价比线对板连接方案。

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