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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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RC-01W24R9FT是风华高科(FH) 推出的一款厚膜贴片电阻,型号命名遵循行业通用规则:
该产品采用0201封装(英制尺寸:0.02×0.01英寸;公制尺寸:0.508×0.254mm),是目前小体积贴片电阻的主流封装之一,适配高密度PCB设计需求。
标称阻值24.9Ω为E96系列标准阻值(精度±1%对应E96系列),实际阻值范围为24.651Ω~25.149Ω,满足大多数工业级电路的精准度要求(如信号采样、分压网络等场景)。
温度系数±200ppm/℃,即每变化1℃,阻值变化量为:
[ 24.9Ω \times 200 \times 10^{-6} = ±4.98mΩ ]
在-55℃~+125℃的宽温范围内,最大阻值变化量为:
[ ±4.98mΩ/℃ \times 180℃ = ±0.896Ω ]
可满足工业、汽车辅助电路等温变场景的稳定性需求。
风华采用高温烧结厚膜工艺:在96%氧化铝陶瓷基板上印刷钌基电阻浆料,经850℃~950℃高温烧结形成电阻层,再通过激光调阻实现精度控制。该工艺的优势为:
RC-01W24R9FT因体积小、精度适中、温区宽,广泛应用于以下场景:
工作温度范围-55℃+125℃,符合工业级温区标准(-40℃+85℃为常规工业级,该产品扩展至-55℃/125℃,可覆盖部分汽车级低温场景)。
风华对该产品进行了多项可靠性验证:
符合RoHS 2.0(无铅)、REACH法规要求,可用于出口产品。
若需替换,需保证封装、功率、阻值、精度、TCR一致,常见替代型号:
综上,RC-01W24R9FT是一款高性价比、小体积、宽温稳定的厚膜贴片电阻,适合大多数中低端工业与消费电子场景,是风华高科厚膜电阻系列的经典型号之一。
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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.
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The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
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The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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