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.
PESD0402MS05-MS 是美森科(MSKSEMI)推出的一款小型化、低电容的双向 ESD 保护器件,封装为 0402,单路保护设计。该器件专为对信号完整性要求极高的高速数据线、接口线路提供瞬态抑制保护而开发,能够在极小的 PCB 面积上实现对静电放电(ESD)事件的有效钳位。器件标称工作电压(反向截止电压 Vrwm)为 5V,钳位电压可达 40V,反向漏电流仅 10nA,结电容 Cj 极低,仅 0.05pF,适合用于微弱信号和高速差分/单端信号线的保护。
PESD0402MS05-MS 支持 -55℃ 至 +125℃ 宽温工作范围,适配工业级应用;同时器件通过或满足 IEC 61000-4-2 静电放电抗扰度要求,在常见的接触放电/空放电情形下可提供稳健保护。对于长期可靠性,建议在设计中考虑热循环、焊接应力及 PCB 工艺对小尺寸封装的影响,并进行相应的工艺验证。
结语:PESD0402MS05-MS 以其极低的结电容、双向保护能力和微小 0402 封装,成为高速、低功耗系统中对信号完整性与 ESD 防护提出双重要求时的理想选择。选择时请结合系统工作电压、实际环境及 PCB 布局对器件放置与保护策略进行综合评估。
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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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