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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YI321611Z121-6R0T是益嘉源(YJYCOIN)推出的1206封装大电流片式磁珠,针对高频电磁干扰(EMI)抑制与高功率电流承载的双重需求设计,平衡了低直流电阻(DCR)与目标频段阻抗特性,广泛适配汽车电子、工业控制、高功率消费电子等场景。
该磁珠的核心设计目标是解决“高电流场景下的EMI抑制”痛点:
在100MHz频率下,阻抗标称值为120Ω,误差范围±25%(实际阻抗区间90Ω~150Ω),针对开关电源纹波、射频杂散等100MHz左右干扰提供有效抑制,满足多数设备EMC测试需求。
标称20mΩ的低DCR是核心优势:
持续额定电流6A,支持直流/交流承载,适配汽车BMS、65W/100W快充、工业伺服驱动器等大电流回路。
覆盖**-40℃~+125℃**,通过高低温循环测试,适应汽车发动机舱、户外工业设备等极端环境。
采用铁氧体+低阻合金复合结构:
干扰集中100MHz时优先选择,频段偏移可参考同系列其他型号(如80Ω@100MHz、150Ω@100MHz)。
实际工作电流≤6A,脉冲峰值≤7.2A(1.2倍额定值),避免过热。
多颗串联需总电流≤6A,总DCR为单颗DCR累加(n颗=20n mΩ)。
YI321611Z121-6R0T磁珠以低DCR+大电流+宽温+高频阻抗为核心优势,适配自动化生产,可靠性符合工业/车规要求,是高功率设备EMI抑制的优选方案,覆盖汽车、工业、消费电子等多领域。
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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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