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17-21/R7C-AN2Q1B/4T 是台湾亿光(EVERLIGHT)推出的一款0805封装红色表面贴装发光二极管(LED)。该器件为小型、无色透明透镜单色发光器件,设计用于一般指示、面板指示、模块背光及各类电子设备状态显示。凭借紧凑的0805封装和典型的工作电流设计,适合对尺寸、功耗和指示效果有协调需求的应用场景。
(注:更多电气特性如正向电压、视角、光强分布等请参阅官方数据手册以获得完整工程参数。)
该红色LED在标准20 mA偏置下提供稳定的红色发射,透明透镜有助于提高亮度感知与亮度均匀性,同时便于实现较窄的光束控制或较宽的扩散,具体视器件内部结构和封装而定。峰值波长接近639 nm,使得人眼对红光的敏感度与色彩表现达到良好平衡。推荐在规定的最大功率与电流范围内工作,以保证长期可靠性与色温一致性。
0805(通常为2.0 mm × 1.25 mm)是行业内常见的小型SMD封装,适合高密度PCB布局。无色透明透镜降低了光色偏移的出现几率,有利于多批次一致性管理。具体外形尺寸、引脚布局与焊盘建议请参考厂方机械图与推荐PCB焊盘图。
注:若用于汽车或安全关键型设备,请事先确认是否满足相关认证与额外可靠性要求。
该器件可在-40 ℃ 至 +85 ℃ 的环境下正常工作,适合多数室内与部分室外环境。为保证长期可靠性,应避免超出额定电流与功率,同时控制回流焊峰值温度和焊接时间。针对潮湿敏感性与长期储存建议参考供应商提供的MSL(湿敏等级)信息。
结语:17-21/R7C-AN2Q1B/4T(0805)以其微型封装、稳定的红色发射和适中的功率设计,适合多种通用指示与状态显示场景。工程设计时建议参照亿光官方数据手册完成详细的电气、热与机械校核,以保证产品性能与可靠性。
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Product sourcing intelligence
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
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The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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