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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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顺络SZ1005K121TF是一款专为高频电磁干扰(EMI)抑制设计的0402小封装片式磁珠,属于顺络经典EMI抑制产品线。该产品针对高密度PCB布局优化,平衡了阻抗特性、直流损耗、电流承载能力与宽温适应性,是消费电子、IoT设备、工业控制等领域的通用型干扰抑制元件,核心价值在于以极小体积实现高效噪声过滤,同时兼顾电路效率与长期可靠性。
磁珠的核心性能围绕高频阻抗、直流损耗、电流容量三大维度,SZ1005K121TF的参数设计精准匹配多数实际应用场景:
产品核心阻抗为120Ω±25%@100MHz——100MHz是电子设备中常见的干扰频率(如WiFi/蓝牙的谐波噪声、高速数字信号串扰),该阻抗值能有效衰减此频段内的电磁噪声;±25%的公差满足民用、工业级场景的批量一致性要求,无需额外筛选即可稳定应用。
直流电阻仅400mΩ,这是该产品的关键优势:磁珠通常串联在信号或电源线路中,DCR过大会导致压降损耗(如5V电源下,400mA电流的压降仅0.16V),而400mΩ的低损耗设计可大幅降低对电路效率的影响,尤其适合便携设备、低功耗IoT节点等对电源效率敏感的场景。
SZ1005K121TF采用0402封装(顺络命名中“1005”对应公制尺寸1.0mm×0.5mm,英制0402),体积仅为常规0603封装的1/4左右,可显著提升PCB布局密度,适配智能手机、智能穿戴、IoT模块等紧凑设计。
SZ1005K121TF的参数特性使其适配多领域的EMI抑制需求:
顺络SZ1005K121TF是一款高性价比的0402封装片式磁珠,以120Ω@100MHz中阻抗、400mΩ低DCR、400mA额定电流与-55℃~+125℃宽温为核心优势,精准匹配高密度电路的EMI抑制需求,覆盖消费电子、IoT、工业等多领域,是工程师优化电路噪声、提升可靠性的实用选择。
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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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