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PDSQAT1212-203MLB是PROD谱罗德品牌推出的插件式低频共模滤波器,专为电源回路的电磁干扰(EMI)抑制设计,整合了稳定电感量、低损耗、宽温适应性等核心特性,适配中小功率电子设备的滤波需求,兼顾可靠性与成本效益。
该产品属于共模滤波器范畴,通过双线并绕磁芯的结构设计,实现对共模噪声的高阻抗抑制(对差模电流低阻抗),主要解决电路中因电磁辐射、传导干扰导致的性能不稳定问题。其定位为低频段(1kHz测试范围)中小功率场景的滤波解决方案,适合无需贴装工艺的传统PCB布局。
标称电感量为20mH@1kHz,测试频率对应工频(50/60Hz)及其谐波的典型干扰范围,稳定的电感值确保对低频共模噪声的有效抑制。共模电感的工作原理是:当共模电流通过双线绕组时,磁芯中产生同向磁通,磁导率提升,形成高阻抗;差模电流则产生反向磁通,磁芯饱和抑制,阻抗极低,从而实现噪声分离。
对比同类插件共模滤波器,PDSQAT1212-203MLB的核心优势在于:
① 20mH@1kHz电感量与2A电流的平衡,适配中小功率低频需求;
② 低DCR(180mΩ)降低损耗,提升效率;
③ 1kV耐电压与宽温范围,增强环境适应性;
④ 紧凑插件封装,便于焊接与布局。
该产品是替代进口同类产品的高性价比选择,适合对成本敏感、无需贴装工艺的批量应用场景。
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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.
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The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
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The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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