WMSIC Electronic Components

CJT A2012H-4P A2012H

ModelA2012H-4P
PackageP=2mm
BrandCJT
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
CJT A2012H-4P
Type
CJT
Minimum package
1000 袋

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJT
Electronic Component
A2012H-4P
Electronic Component
1
Package
P=2mm
Electronic Component
1
Electronic Component
(Wire-to-Board / Wire-to-Wire)
Electronic Component
0.171g
Electronic Component
2mm
Electronic Component
Electronic Component
Electronic Component
1
Electronic Component
BM0265113492
Electronic Component
PA66
Operating Temperature
40℃~+105℃
Socket
1x4P
Electronic Component
Electronic Component

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

CJT A2012H-4P 线对板/线对线胶壳产品概述

一、产品定位与典型应用场景

CJT(长江连接器)A2012H-4P是一款单排4Pin、2mm间距的带锁扣线对板/线对线连接胶壳,属于长江连接器A2012系列的紧凑式连接方案。其核心定位是为小型化、高密度布局的电子设备提供可靠的信号/小电流传输连接,适配场景覆盖多个领域:

  • 消费电子:耳机充电盒、智能手环/手表的电池与主板连接、小型蓝牙音箱内部模块连接;
  • 智能家居:温湿度传感器、人体感应模块与控制板的线对板连接;
  • 工业控制:小型PLC模块、传感器节点的信号传输连接;
  • 车载电子:车载小型显示屏、USB充电口模块的内部连接(适配-40℃~+105℃宽温)。

二、关键性能参数详解

该胶壳的核心参数均围绕“紧凑可靠”设计,关键指标如下:

参数项 具体规格 应用价值 插孔结构 1x4P(单排4Pin) 满足4路信号/小电流传输,空间利用率高 间距(Pitch) 2mm(P=2mm) 适配高密度PCB布局,缩小设备整体尺寸 锁扣设计 带锁扣 连接后防松脱,避免振动环境下虚接/断开 工作温度范围 -40℃~+105℃ 适应低温(如北方户外)、高温(如车载)场景 塑料材质 PA66(聚酰胺66) 机械强度高、耐磨损、耐化学腐蚀 阻燃等级 UL94V-0 符合安全标准,降低火灾风险 带翅设计 不带翅 简化装配流程,适合批量自动化生产

三、结构设计与工艺特点

A2012H-4P的结构设计兼顾“可靠性”与“装配效率”:

  1. 带锁扣结构:采用卡扣式锁定设计,连接时锁扣与对应连接器(板端/线端)精准卡合,可通过“咔嗒”声确认锁定状态;解锁时仅需按压锁扣即可分离,操作便捷且防误触。
  2. 单排插孔布局:4Pin集中在单排,相比双排设计节省横向空间,适配窄体设备(如可穿戴设备的腕带内部)。
  3. 无带翅设计:无需额外的固定翅片,装配时仅需将压接好端子的导线插入胶壳,流程简化,降低人工/自动化装配难度。
  4. 插孔精度控制:长江连接器的注塑工艺保证插孔尺寸公差≤±0.05mm,与A2012系列端子配合紧密,接触电阻稳定(典型值≤20mΩ),减少信号衰减。

四、材料与可靠性分析

胶壳采用PA66(UL94V-0阻燃级) 作为主体材料,具备多重优势:

  • 耐温性能:长期工作温度-40℃~+105℃,短期可承受120℃(1小时内),适配极端环境;
  • 机械性能:PA66的拉伸强度≥80MPa,耐冲击性好,避免装配/使用中出现破裂;
  • 耐化学性:可抵抗弱酸碱、油脂等常见环境物质,适合工业/车载场景;
  • 阻燃性:UL94V-0级阻燃,当遇到火源时可自熄,减少火灾蔓延风险。

五、适配与兼容性说明

A2012H-4P需配合对应端子与连接器使用,具体适配性如下:

  1. 端子适配:需使用长江连接器A2012系列端子(如A2012-XX端子),线径范围适配0.5mm²1.0mm²(AWG22AWG18),满足小电流(≤3A)传输需求;
  2. 连接类型:
    • 线对板:配合A2012系列板端针座(如A2012H-4P针座)使用,实现导线与PCB的连接;
    • 线对线:配合相同规格的A2012H-4P胶壳(两端均为线端),实现导线之间的连接;
  3. 兼容性验证:长江连接器提供配套的压接工具(如A2012系列端子压接钳),保证端子与导线、胶壳的配合精度。

六、选型与应用注意事项

为确保A2012H-4P的可靠使用,需注意以下要点:

  1. 参数匹配:确认设备需求的PIN数(4Pin)、间距(2mm)与锁扣需求,若无需锁扣可选择A2012-4P(不带锁扣型号);
  2. 环境适配:若工作温度超出-40℃~+105℃,需更换耐温更高的型号(如PA46材质);
  3. 装配规范:端子压接需使用专用工具,避免压接不良导致接触电阻过大;装配胶壳时需确保锁扣完全卡合,避免虚接;
  4. 批量应用:适合自动化装配线,无带翅设计可提升生产效率,降低人工成本。

综上,CJT A2012H-4P以“紧凑尺寸、可靠锁扣、宽温阻燃”为核心优势,是小型电子设备中信号/小电流连接的高性价比选择,广泛适配消费电子、智能家居、工业控制等多领域场景。

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