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RK73H1ETTP5602F是日本KOA公司推出的一款厚膜贴片电阻器,属于常规高精度小功率系列产品。该电阻针对高密度、低功耗电子电路设计,兼具成本优势与稳定性能,广泛适配消费电子、工业控制、物联网等多领域应用,是小型化电子设备的常用被动元器件之一。
该电阻的核心参数明确且适配主流电路需求,具体如下:
RK73H1ETTP5602F采用0402封装(公制对应1005),具体尺寸参数为:
小体积设计可显著节省PCB布局空间,适合智能手机、可穿戴设备、小型工业模块等对集成度要求较高的产品,能有效降低设备整体尺寸。
±1%的阻值精度满足多数电路的匹配需求(如传感器信号分压、音频接口匹配);±100ppm/℃的温度系数在常规环境温度波动(如25℃±20℃)下,阻值偏差可控制在±0.2%以内,避免因温度变化导致电路性能漂移。
-55℃~+155℃的工作温度范围覆盖工业级环境(如户外设备、车载辅助电路),可在极端低温(如北方冬季户外)或高温(如工业烤箱附近)场景下长期可靠运行,无需额外温控设计。
63mW的额定功率适配低功耗电路(如蓝牙模块偏置电路、物联网传感器节点),多数低功耗应用无需降额使用即可满足需求,简化电路设计流程。
采用成熟的厚膜丝网印刷工艺,具备优异的耐湿性(85℃/85%RH环境下1000小时阻值变化≤0.5%)、抗静电能力(ESD耐受≥2kV),且批次一致性好,适合批量生产的电子设备厂商。
该电阻因体积小、精度稳定,广泛应用于以下领域:
KOA作为全球被动元器件领域的知名厂商,其产品生产过程严格遵循ISO 9001质量管理体系,批次一致性达行业领先水平。RK73H1ETTP5602F符合RoHS 2.0(无铅)、REACH等环保法规要求,可满足欧盟、中国等地区的市场准入条件,适合全球范围内的电子设备研发与生产。
该产品凭借平衡的性能与成本优势,成为众多电子厂商的首选厚膜电阻之一,可有效支撑小型化、低功耗电子设备的稳定运行。
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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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Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
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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