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XL-504PDC是成兴光(Xinglight)推出的一款5mm直插式红外接收管,属于光电转换类核心器件,核心功能是将入射的红外光信号转化为可检测的电信号。凭借低暗电流、宽工作温区及稳定耐压等特性,适配家电、安防、工业控制等多领域的常规及部分严苛应用场景,是高性价比的通用型红外接收解决方案。
XL-504PDC定位于民用及小型工业级红外接收器件,针对红外遥控、目标检测等基础光电交互需求优化设计,核心特征可归纳为三点:
Vceo是红外接收管反向工作时的耐压阈值,直接决定器件抗电压波动能力。XL-504PDC的30V耐压值,可承受常规电路中的电源纹波、瞬时过压(如开关电源启动时的尖峰电压),确保长期工作不击穿,提升系统可靠性。
暗电流是器件在无红外光入射、反向偏置状态下的漏电流,是影响输出信噪比的核心参数。100nA的低暗电流意味着:无信号时噪声极小,即使入射红外光信号较弱(如5米外遥控器信号),也能准确识别有效信号,减少误判率。
该温区覆盖了大部分民用及小型工业环境:冬季室内(北方室温≥-10℃)、夏季户外(最高温≤40℃),以及小型工业设备的运行环境,无需额外温控措施即可稳定工作。
XL-504PDC采用5mm直插圆形封装(F5封装),结合红外接收管的通用设计逻辑,其结构包含三大核心部分:
XL-504PDC的特性使其适配多类场景,核心应用包括:
如电视、空调、机顶盒的遥控器接收端:红外遥控信号强度弱(远距离时衰减明显),低暗电流可确保信号准确接收;宽温区适应家电在不同季节的使用环境。
配合红外补光灯使用,检测夜间目标(如人体、车辆):850nm/940nm红外光可穿透黑暗,XL-504PDC能稳定接收反射信号,宽温区适配昼夜温差较大的户外环境。
如门禁系统的红外人体感应、自动门的红外传感器:直插封装便于现场布线,30V耐压满足工业电路的电压要求,低暗电流减少误触发。
如智能穿戴设备的红外数据传输、小型家电的红外控制模块:体积小易集成,性能稳定,适配便携式设备的空间限制。
除宽温区外,XL-504PDC还具备以下可靠性特点:
为确保XL-504PDC的稳定工作,需注意以下几点:
XL-504PDC作为一款高性价比的直插红外接收管,以稳定的性能和灵活的适配性,成为常规光电应用的优选器件之一。
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