WMSIC Electronic Components

kinghelm KH-PJ-328-SMT

ModelKH-PJ-328-SMT
PackageSMD
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

17 specifications

Core information

Product name
kinghelm KH-PJ-328-SMT
Type
KINGHELM
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KINGHELM
Electronic Component
KH-PJ-328-SMT
Electronic Component
1
Package
SMD
Electronic Component
Audio Connector(Headphone)
Electronic Component
0.96g
Electronic Component
1
Electronic Component
BM0264936923
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Connector Type
3.5mm Headphone
Electronic Component
Electronic Component
Electronic Component
1000

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-PJ-328-SMT 3.5mm SMD耳机座产品概述

这款由金航标(Kinghelm)推出的KH-PJ-328-SMT,是专为小型化音频设备设计的3.5mm表面贴装耳机座,兼顾紧凑性、可靠性与生产适配性,广泛覆盖消费电子、车载及工业设备等场景,是音频信号传输接口的高性价比选择。

一、产品基本信息

KH-PJ-328-SMT的核心定位清晰,参数明确:

  • 品牌:Kinghelm(金航标)
  • 型号:KH-PJ-328-SMT
  • 接口类型:3.5mm TRS立体声接口(支持音频输入/输出)
  • 封装形式:SMD(表面贴装)
  • 核心功能:适配3.5mm标准耳机/音频插头,实现稳定的音频信号传输

二、核心设计特性

针对实际应用痛点,这款耳机座做了针对性优化:

  1. 信号稳定与兼容:接触点采用镀金工艺,接触电阻≤20mΩ,无信号损耗、杂音;适配99%以上市场3.5mm TRS插头(立体声),无需额外适配;
  2. 长寿命插拔设计:插针采用弹性铜合金材质,实测插拔寿命≥5000次,避免长期使用后松动导致接触不良;
  3. 紧凑封装适配小型化:整体尺寸约10.5mm×7.5mm×5.0mm(长×宽×高),比传统插件式缩小30%,满足智能手机、便携音箱等小型设备的PCB布局;
  4. 防呆提升生产效率:引脚带防呆标识,防止焊接反装,适配常规SMT产线,降低生产出错率。

三、封装与焊接适配

KH-PJ-328-SMT完全适配表面贴装工艺:

  • 焊接方式:仅支持回流焊(禁止手工焊,避免引脚变形),符合IPC-A-610标准;回流焊曲线建议:预热150-180℃(60-120s)、回流220-250℃(30-60s),峰值≤260℃;
  • 引脚布局:6个引脚(含接地、左右声道、麦克风等),间距0.8mm,PCB需预留0.5mm焊接间隙;
  • 安装稳定:底部带定位柱,焊接后与PCB贴合紧密,抗振动性能提升30%。

四、典型应用场景

因紧凑性与可靠性,广泛应用于:

  1. 消费电子:智能手机、平板电脑、笔记本电脑的音频接口;
  2. 便携音频:MP3/MP4、蓝牙音箱、耳机放大器的输入/输出;
  3. 车载电子:车载音响辅助接口、行车记录仪语音提示接口;
  4. 工业控制:带语音报警的PLC、智能传感器音频交互;
  5. 智能家居:智能音箱、智能门锁的本地音频配置。

五、可靠性与环境适应性

针对复杂环境做了可靠性设计:

  • 温度范围:工作-40℃+85℃(工业级),存储-55℃+100℃,适应南北温差及高温;
  • 抗环境能力:盐雾试验96h符合GB/T 2423.17,潮湿环境无氧化;振动(10-2000Hz,10g)、冲击(100g/11ms)均通过;
  • 电气安全:耐压AC 500V/1min不击穿,绝缘电阻≥100MΩ,符合RoHS环保。

六、选型与使用注意事项

确保性能需注意:

  1. 型号匹配:立体声选本型号,单声道选同系列KH-PJ-327-SMT;
  2. PCB设计:避免引脚附近布局高压/高频器件,防信号干扰;
  3. 防护建议:多尘/潮湿环境搭配防尘塞,延长寿命;
  4. 插拔操作:避免用力插拔,防止插针弯曲。

总结:KH-PJ-328-SMT是一款高性价比SMD 3.5mm耳机座,兼顾小型化与可靠性,适配多场景需求,是音频接口设计的优选方案。

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