Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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Technical data
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RLP25FEGR002是大毅科技推出的一款贴片式电流采样电阻(分流器),型号命名直接对应核心参数:
该产品定位于中功率电路的电流检测场景,兼顾精度与功率容量,适合自动化生产及高密度PCB集成。
作为电流采样电阻,其核心参数直接决定系统检测精度与可靠性,RLP25FEGR002的关键参数设计针对性强:
持续功率3W,结合2mΩ阻值,可支撑25℃环境下约38.7A的峰值电流(I=√(P/R)=√(3/2×10⁻³)≈38.7A),兼顾持续工作与短时过流场景(如电机启动瞬间、电源负载突变)。
温度系数(TCR)是衡量阻值随温度变化的关键指标,±50ppm/℃意味着:
RLP25FEGR002采用2512贴片封装,具备以下安装优势:
公制尺寸≈6.35mm×3.05mm,相比插件式分流器节省50%以上PCB空间,适合高密度电路设计(如电源模块、BMS主控板)。
贴片封装完全适配SMT(表面贴装技术)生产线,支持回流焊、波峰焊工艺,生产效率高,焊接可靠性强(焊点一致性优于手工插件)。
2512封装的焊盘面积较大,可有效将电阻工作时产生的热量传导至PCB,配合合理的铜箔设计(如增加焊盘铜箔厚度),能进一步提升功率承载能力。
RLP25FEGR002的参数特性使其广泛应用于以下领域:
该产品通过精准的参数设计与可靠的封装工艺,成为中功率电流采样场景的高性价比选择,可有效提升系统的电流检测精度与稳定性。
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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.
Buyer sourcing scenarios
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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