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.
PESD3V3L1BA(品牌:GOODWORK/固得沃克)是一款单路、双向的瞬态电压抑制器(ESD保护二极管),采用SOD-323小封装,专为3.3V工作电压线路的静电放电和瞬态浪涌保护而设计。器件在-55℃至+125℃(Tj)范围内可靠工作,符合IEC 61000-4-2的ESD防护要求,适用于各类接口端口与敏感信号线的保护。
以上参数确保器件在受到高能短脉冲(如ESD、瞬态浪涌)时能够将能量迅速钳制并导向地线,从而保护后端敏感器件。
注意:结电容50pF在非常高带宽或高速差分信号(如USB 2.0高速/USB3.0、HDMI等)上的影响需评估——对于要求非常低电容的高速线路,建议选择更低Cj值的保护器件。
选择PESD3V3L1BA时,应确认系统对钳位电压(12V)和结电容(50pF)的容忍度。若目标接口为超高速信号或对电容高度敏感,应优先考虑低电容(<5–10pF)的TVS/ESD器件;若需要更高能量承受能力,可选用功率更大或多管并联方案。
PESD3V3L1BA是一款面向3.3V系统的通用双向ESD保护器件,凭借SOD-323小封装、350W的瞬态能量承受能力、25A的峰值脉冲电流和低漏电特性,适用于广泛的接口保护场合。在设计中应注意结电容对特定高速信号的影响,并按推荐的布局原则靠近接口布置,以获得最佳防护效果。
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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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