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
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
FNR3015S3R9MT 是长江微电(cjiang)推出的一款小型磁胶屏蔽贴片电感器,额定电感值为 3.9 μH,主要面向空间受限且对电磁兼容有一定要求的电源滤波与能量传输场合。器件采用 SMD 封装,便于自动贴装与大批量生产。
该器件采用磁性材料与胶封结构实现屏蔽效果,能有效抑制磁辐射与相互干扰,适用于高密度电路板布局。磁胶屏蔽结构在保证感值稳定性的同时,提升了抗外界扰动能力,利于满足 EMI 要求较高的设计。
磁胶屏蔽结构对机械振动和冲击有一定的缓冲作用,适合常规工业与消费电子环境。具体的温度范围、焊接耐受性与生命周期需参考厂方完整数据手册与可靠性测试报告。表面贴装器件须遵循厂商给出的回流焊曲线以保证焊接可靠性。
FNR3015S3R9MT 适用于对体积、屏蔽与中等电流要求的通用电源滤波场合。选型时若需要更高电流能力或更小 DCR,可考虑同系列更大尺寸或采用不同磁芯材料的型号;若需更高精度则考虑公差更小的型号。具体订购、最小包装数量与可得性请联系长江微电(cjiang)或其授权分销商获取最新信息。
总结:FNR3015S3R9MT 在小体积屏蔽化设计中兼顾电磁兼容与中等电流能力,适合便携与空间受限的电源滤波应用。但在有较大脉冲电流或对精度、发热有严格要求的场合,需在选型阶段进行额外验证与裕量设计。
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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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