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XL-0201UYC 是 Xinglight(成兴光)推出的一款超小型 0201 封装黄色贴片发光二极管(SMD LED)。该器件采用无色透明透镜设计,提供宽广的出光角和稳定的黄色光谱,适合对体积、功耗和外观有严格要求的微型指示与显示类应用。器件工作温度范围宽,可在-40℃至+85℃环境中长期可靠工作。
注:标注的光电参数为典型/额定值,实际应用中应参考厂方完整数据手册并考虑量产筛选条件。
XL-0201UYC 在额定驱动电流处提供饱满的黄色光输出,峰值 588 nm 属于人眼对黄色响应较好的波段,视觉亮度感较高。无色透明透镜与 120° 宽发光角设计,使得器件在微小封装下仍能实现均匀的漫射指示效果,适合面板指示、图标背光或多点状态显示。
正向压降随电流和温度变化,给出范围 1.7–2.3 V,电路设计应以最大 Vf 值和允许误差来选配限流元件以保证可靠性。器件额定功率 50 mW 远大于在 5 mA 驱动下的实际耗散(P ≈ Vf × If),有利于降低热应力。
0201 封装尺寸极小,适用于高密度 SMT 贴装。透明透镜外观利于实现高对比度的小型指示点。常见供料方式为卷带(载带正贴),兼容常规贴片机取放。由于尺寸极小,PCB 的焊盘设计、贴装精度与回流温度曲线需按厂方推荐的 land pattern 与工艺文件执行,以保证焊点可靠性与光学一致性。
XL-0201UYC 常用简单恒流限制方式驱动。若采用串联限流电阻,计算公式为: R = (Vcc − Vf) / If
举例(取 If = 5 mA):
限流电阻功率 Pd = (Vcc − Vf) × If,例如 5 V 情况下 Pd ≈ (5.0 − 2.3) × 0.005 = 0.0135 W(选择常见 1/8 W 或更高功率电阻安全裕量)。实际设计可采用恒流驱动器以获得更稳定的亮度一致性和更佳的电流控制。
总结:XL-0201UYC 以极小体积、宽视角和稳定的黄色光学特性,为微型指示与高密度应用提供可靠选择。在设计与量产时,请结合厂方完整规格书和 PCB 工艺规范进行焊接、驱动与可靠性验证。若需更详细的机械尺寸图、回流曲线或色彩数据图谱,请索取 Xinglight 的产品数据手册与可靠性报告。
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Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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