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XKB Connectivity PJ-218A2
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
18
specifications
Core information
- Product name
- XKB Connectivity PJ-218A2
- Type
- XKB CONNECTIVITY
- Minimum package
- 1000 袋
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- XKB CONNECTIVITY
- Electronic Component
- PJ-218A2
- Electronic Component
- 1
- Package
- Through-hole
- Electronic Component
- Audio Connector(Headphone)
- Electronic Component
- 0.3g
- Electronic Component
- 1
- Electronic Component
- BM0265612020
- Operating Temperature
- 20℃~+70℃
- Voltage
- 30V
- Current
- 500mA
- Connector Type
- 2.5mm 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.
PJ-218A2 2.5mm耳机插座产品概述
一、产品核心定位与典型应用
PJ-218A2是一款小型化2.5mm音频连接器，针对需要紧凑音频接口的电子设备设计，兼顾信号传输稳定性与空间利用率。其核心功能是实现音频信号（左/右声道）与麦克风信号的同步传输，典型应用场景包括：
- 便携音频设备：旧款MP3/MP4播放器、小型蓝牙音箱、便携式收音机；
- 通讯终端：早期带2.5mm接口的手机、对讲机、车载通讯设备；
- 消费电子：儿童电子玩具、小型扩音器、智能穿戴设备（部分旧款）；
- 工业辅助：小型仪器仪表的音频输出/输入接口、设备状态提示音模块。
二、关键性能参数与设计逻辑
该产品的参数经过针对性优化，适配音频电路的实际工作需求：
- 电气安全冗余：额定电流500mA、额定电压30V，远高于音频信号传输所需的电压（≤5V）与电流（≤100mA），可避免过载风险，保障电路安全；
- 环境适应性：工作温度范围-20℃~+70℃，覆盖室内外常见温度（如冬季低温、夏季室内高温），满足大部分消费电子的使用场景；
- 脚位功能明确：4脚4级插脚，对应左声道（L）、右声道（R）、麦克风（MIC）、接地（GND），清晰的脚位定义便于PCB电路设计与焊接。
三、结构设计与工艺优势
PJ-218A2采用紧凑化结构，同时注重工艺细节提升可靠性：
- 微型化尺寸：外形尺寸为W11.6mm×D5mm×H4mm，属于微型连接器范畴，可适配厚度≤4mm的设备外壳，满足便携设备的空间限制；
- 插件封装适配：采用插件式插脚，便于手工焊接或自动插件工艺，焊接后机械强度高，不易因耳机插拔而脱落；
- 镀银接触层：插脚与内部接触点采用镀银工艺——银的导电性能优异（接触电阻低），可减少音频信号损耗；且银氧化层仍具备导电性，长期使用不易出现接触不良。
四、品牌背景与可靠性保障
该产品由XKB Connectivity（中国星坤） 研发生产，星坤作为国内连接器领域的专业厂商，具备多年设计制造经验：
- 质量控制：符合RoHS环保标准，原材料经过筛选，插拔寿命可达5000次以上（常规使用场景）；
- 兼容性验证：出厂前经过多轮测试，确保与主流2.5mm带麦插头匹配，信号传输无杂音、延迟；
- 技术支持：提供脚位定义说明、焊接工艺建议（如焊接温度≤260℃）等配套服务，适配不同客户需求。
五、使用注意事项
为保障产品性能稳定，使用时需注意：
- 避免在潮湿、多尘环境中直接暴露，户外使用建议搭配防水外壳；
- 插拔耳机时力度适中，避免过度弯折插脚；
- 焊接时温度控制在260℃以内（插件焊接常规温度），防止高温损坏内部结构；
- 带麦功能需确认PCB电路的麦克风偏置电压（1.5V~3V）与产品兼容。
PJ-218A2凭借小型化、高可靠性与明确的功能定位，成为2.5mm音频接口场景的实用选择，可满足大部分消费电子与通讯设备的音频传输需求。
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