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.
SMDJ75CA 是 DOWO(东沃)系列高能量瞬态电压抑制器(TVS),为需要高能脉冲抗扰能力的电源和信号线路提供可靠的过压保护。该器件采用玻璃钝化芯片工艺,具有极快的响应速度、低漏电流和优良的钳位性能,适用于工业、通信、电力及其他需要抗雷击/浪涌保护的场合。
SMDJ75CA 采用 DO-214AB 表面贴装封装,适合自动化贴装与回流焊工艺,便于在有限空间内实现高能量浪涌保护。玻璃钝化芯片工艺提高了热稳定性和长期可靠性,在高应力脉冲下表现出良好的重复脉冲耐受能力。注意该器件标注的 3000W 是峰值脉冲能量(10/1000 μs),不代表连续功耗能力,设计时需考虑平均功率及热散逸条件。
SMDJ75CA 由 DOWO(东沃)提供,可在常见电子元器件分销渠道询价与采购。系列产品同时提供单向与双向单元,若系统为单极性直流保护,可考虑对应单向型号以获得更低钳位与更优泄漏特性。订购时请确认封装 DO-214AB 与规格一致,必要时索取器件数据手册与脉冲测试曲线以用于详细热和电气设计。
总结:SMDJ75CA 以 3000W 峰值脉冲能力、低漏电与快速响应为核心优势,适合 75V 等级的高能量瞬态保护应用,特别适合需要双向钳位的工业和通信场合。若需具体参数曲线或设计支持,可提供数据手册或进行应用咨询。
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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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