Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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RM02FTN1002是大毅科技针对小型化、低功耗电子设备开发的0201封装精密片式电阻器,以紧凑尺寸、稳定精度及适配低功耗场景为核心特点,广泛应用于便携电子、工业控制及小型医疗设备等领域。
该型号为表面贴装(SMD)结构,型号编码中:“RM02FTN”为大毅科技电阻系列标识,“1002”为阻值代码(前两位有效数字10,第三位倍率10²,即10×10²=10kΩ)。产品采用0201英制封装(公制尺寸约0.5mm×0.25mm),是当前小型电子设备中最常用的片式电阻规格之一。
阻值为10kΩ±1%,达到工业级精密电阻标准,可满足信号调理、分压电路、反馈网络等对阻值准确性要求较高的场景。例如在便携设备电池电压检测电路中,1%精度可将分压误差控制在合理范围,避免电量显示偏差。
额定功率为50mW(1/20W),是0201封装电阻的典型功率规格;额定电压为25V。需注意功率与电压的匹配:实际工作电压应同时满足V≤25V及V≤√(P×R)(P为实际功耗),若按80%降额设计(推荐),实际功耗需≤40mW,对应最大工作电压≤20V,可有效延长产品寿命。
温度系数为**±200ppm/℃**,表示温度每变化1℃,阻值变化±200×10⁻⁶。以10kΩ为例,当温度从25℃升至125℃(变化100℃),阻值变化约±2Ω,满足常规工业环境及消费电子的温度稳定性需求,避免因温度波动导致电路性能漂移。
0201封装体积极小,仅为0402封装的1/4左右,适合高密度PCB设计(如智能手环、蓝牙耳机主板),可大幅提升单位面积元件集成度。产品端电极采用镍锡/银钯复合结构,符合IPC-A-610标准,兼容回流焊、波峰焊等主流SMT工艺,焊接后端电极附着力强,能承受跌落、振动等机械应力测试。
该产品以平衡的性能参数及成本优势,成为小型化电子设备中精密片式电阻的优选方案,可满足多数低功耗、高密度设计场景需求。
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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.
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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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