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TDK AVR-M1005C270MTABB是一款专为小型化电子设备设计的0402封装片式压敏电阻,核心用于瞬态过压防护,兼具低电容、高响应速度的特点,适配高密度PCB布局需求,广泛应用于便携电子、射频模块等场景。
该产品属于TDK AVR系列片式压敏电阻,定位为小功率设备的瞬态过压保护器件,核心参数明确且匹配典型应用场景:
产品采用0402封装(公制1005),具体尺寸为:长度1.0mm±0.1mm,宽度0.5mm±0.1mm,高度0.5mm±0.1mm。该封装的优势在于:
压敏电阻的响应时间通常在纳秒(ns)级,可快速响应静电放电(ESD)、电源浪涌等瞬态过压事件,避免后端敏感电路(如射频芯片、MCU)被击穿。例如,USB接口遭遇静电放电时,可在极短时间内导通泄放电流,保护接口芯片。
15pF@1kHz的静态电容远低于传统压敏电阻,对高频信号(如WiFi、蓝牙、USB3.0等)的传输干扰极小。例如,蓝牙耳机射频模块中,该器件并联在天线端,既实现过压防护,又不会导致射频信号衰减。
压敏电压27V与DC工作电压15V的比值(约1.8)符合设计规范:工作电压下器件处于高阻态(漏电流极小),过压时快速导通,既保证正常工作可靠性,又避免过压损坏。
峰值1A、50mJ的浪涌耐受能力,满足消费电子、小型工业模块的典型浪涌场景(如电源瞬态尖峰、接口静电冲击),无需额外增加大功率防护器件,降低设计成本。
TDK作为知名电子元器件厂商,该产品具备稳定的可靠性:
综上,TDK AVR-M1005C270MTABB以小型化封装、低电容、快速响应为核心优势,精准匹配小型电子设备的瞬态过压防护需求,是便携电子、射频模块等场景的理想选择。
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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.
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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 request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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