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TDK MMZ0603S471HT000是一款针对100MHz频段电磁干扰(EMI)抑制优化的表面贴装磁珠,属于TDK小型化磁珠系列。其核心设计目标是在0201紧凑型封装下,实现高频干扰的高效衰减,同时兼顾低功耗与宽温适应性,适配消费电子、通信、工业等多领域的高密度PCB布局需求。
磁珠的性能核心在于频率相关阻抗特性与直流损耗控制,以下是该产品的关键参数解读:
产品标称470Ω@100MHz,误差±25%,这是其核心性能指标——磁珠的阻抗随频率变化,低频(直流至几十MHz)下阻抗极低(仅650mΩ),不影响信号/电源的正常传输;当频率升至100MHz时,阻抗跃升至470Ω,能有效衰减该频段的共模/差模干扰,避免干扰信号耦合至敏感电路(如射频前端、数字逻辑电路)。
直流电阻仅650mΩ,远低于同阻抗等级的其他磁珠,在额定电流(310mA)下的功率损耗仅约0.063W(P=I²R),适合电池供电的便携设备(如智能手机、可穿戴设备),可减少不必要的能量消耗。
通道数为1,适用于单路信号/电源线路的干扰抑制;封装采用0201(英制)/0603(公制),尺寸约0.6mm×0.3mm×0.3mm,是目前小型化磁珠的主流封装,适配高密度PCB设计(如5G基站子板、IoT终端模块)。
该磁珠的性能特点使其适配多领域的EMI抑制需求:
该产品凭借高频抑制能力、低损耗与宽温适应性,成为高密度PCB设计中解决100MHz频段EMI问题的优选方案。
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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.
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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