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.
HCB2012KF-301T40是台庆电子(TAI-TECH)推出的一款高频干扰抑制磁珠,专为电源滤波、射频电路噪声抑制及高速数字电路电磁兼容(EMC)设计,具备低直流电阻、大电流承载能力与精准频段阻抗特性,适配高密度PCB布局需求。
该磁珠核心阻抗为300Ω@100MHz,误差范围±25%,针对100MHz附近频段的电磁干扰具有显著抑制效果。100MHz是数字电路时钟噪声、射频电路杂散信号的常见频段,此阻抗值可有效衰减该频段内的传导/辐射干扰,同时对低频信号(如直流电源、低频控制信号)的传输影响极小。
直流电阻仅40mΩ,远低于同电流等级磁珠的平均水平。低DCR可大幅减少磁珠在大电流传输时的功率损耗(P=I²R),避免因发热导致的性能下降或PCB局部过热,提升电路效率与可靠性。
额定电流为4A,可稳定承载4A直流电流而不出现磁饱和或性能衰减。此参数适配大多数电源回路(如DC-DC转换器输出、主板CPU/VCORE电源)的电流需求,无需并联多颗磁珠即可满足滤波要求,简化电路设计。
采用1通道结构,适配单路信号/电源的独立滤波需求,可根据电路布局灵活串联于目标回路中,避免多通道磁珠的串扰问题。
HCB2012KF-301T40磁珠凭借精准的频段阻抗、低损耗大电流特性,成为电源滤波、射频与高速数字电路EMC优化的优选元件,适配多种工业与消费电子领域的设计需求。
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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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