WMSIC Electronic Components

MOLEX 430450412

Model430450412
PackageThrough-hole, P=3mm
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 430450412
Type
MOLEX
Minimum package
186

Technical parameters

Electronic Component
MOLEX
Electronic Component
430450412
Electronic Component
1
Package
Through-hole, P=3mm
Electronic Component
2
Electronic Component
Wire-to-Board
Electronic Component
3mm
Electronic Component
1.57g
Electronic Component
3mm
Electronic Component
Electronic Component
PIN
4P
Electronic Component
1
Electronic Component
Micro-Fit(MX 3.0)
Electronic Component
BM0265742455
Electronic Component
Through-hole
Operating Temperature
40℃~+105℃

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

MOLEX 430450412 线对板针座产品概述

一、核心身份与基础定位

MOLEX 430450412是Micro-Fit(MX 3.0)系列的线对板针座,由全球连接器龙头MOLEX推出,专为紧凑空间内的高电流传输需求设计。产品采用2×2P(4PIN)双排插针结构,针间距3mm,属于标准直插式(插件)封装,外观为黑色,附加特征包含定位柱与打K脚设计,在安装精度、焊接可靠性上具备差异化优势,是工业、汽车、电源等领域的高适配性连接方案。

二、电气性能关键参数

电气性能是连接器选型的核心依据,430450412的参数覆盖高电流、宽电压与宽温范围,满足多场景需求:

  • 额定电流:单PIN支持8.5A(整体4PIN可实现多回路高功率传输),远高于普通3mm间距连接器的电流上限,减少系统中连接器数量,优化空间布局;
  • 额定电压:600V AC/DC,适用于中高压电气系统(如工业电源、充电桩);
  • 工作温度:-40℃至+105℃,可稳定工作于极端环境(如低温车间、高温设备舱),无需额外降额设计。

三、机械结构设计细节

产品机械结构兼顾紧凑性与可靠性,适配高密度PCB布局:

  • 安装方式:直插式,兼容波峰焊、手工焊等常见焊接工艺,降低生产难度;
  • 板上尺寸:Z轴(垂直PCB方向)高度9.91mm,X轴(间距线方向)底边长度9.65mm,Y轴(宽度方向)8.77mm,整体体积小巧,适合小型化设备(如车载控制器、微型电源);
  • 附加结构:
    • 定位柱:安装时精准对齐PCB孔位,避免插针歪斜,提升装配效率;
    • 打K脚(锁脚设计):增强焊接后与PCB的机械连接强度,防止振动或外力导致的脱落,尤其适合汽车、工业等振动环境。

四、材料与可靠性保障

材料选型与可靠性设计保障长期稳定运行:

  • 触头系统:采用黄铜作为基材(导电率高、机械强度好),表面镀锡(抗氧化、焊接性优异,降低接触电阻,减少功率损耗);
  • 绝缘壳体:采用UL94V-0阻燃等级的工程塑料,遇火时可延缓燃烧,符合电子设备安全规范;
  • 环境适应性:黄铜触头耐腐蚀性强,结合宽温范围,可在潮湿、粉尘等恶劣环境下长期使用,平均无故障时间(MTBF)表现优异。

五、典型应用场景

430450412的参数与设计使其适配多行业高需求场景:

  1. 工业控制:PLC、变频器、伺服驱动器的电源与信号接口,满足工业现场高电流、宽温要求;
  2. 电源系统:开关电源、UPS、充电桩的内部线对板连接,支持中高压高功率输出;
  3. 汽车电子:车载辅助系统(电动座椅、车灯控制、传感器模块)的内部连接,适应汽车振动与温度变化;
  4. 通信设备:基站、路由器、服务器的电源模块接口,兼顾高电流与紧凑空间需求。

六、选型与使用注意事项

为确保性能稳定,选型与使用需注意以下要点:

  • 匹配线端:建议搭配MOLEX Micro-Fit系列线端连接器(如43025系列),确保电气与机械匹配;
  • 焊接工艺:直插式设计需确认PCB孔位尺寸与针脚直径匹配,焊接时避免高温损坏绝缘壳体;
  • 环境限制:虽宽温范围广,但需避免长期暴露于强酸强碱环境,以免腐蚀触头;
  • 振动场景:打K脚已增强抗振性,若应用于剧烈振动场景(如工程机械),可配合固定胶进一步加固。

总结

MOLEX 430450412凭借紧凑结构、高电流能力、宽温适应性与可靠设计,成为工业、汽车、电源等领域线对板连接的高性价比选择,能有效简化系统布线、提升设备可靠性,是替代传统低电流连接器的理想方案。

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