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.
SMDJ200CA 是 DOWO(东沃)推出的一款玻璃钝化芯片 TVS(二极管)器件,采用 SMC(DO-214AB)封装,适用于高能脉冲浪涌保护场合。该器件为双向结构,反向截止电压(Vrwm)为 200V,具有 3000W 峰值脉冲功率能力(10/1000μs 波形,重复率/占空比 0.01%),专为承受雷电或开关冲击类长尾波形浪涌而设计。
注:以上参数为典型/标称值,具体应用中请参考器件完整规格书并在目标温度与频率条件下验证。
SMC(DO-214AB)封装提供了相对较大的热量扩散面积,适合高能量脉冲吸收。推荐 PCB 布局注意事项:
产品符合 RoHS 要求,适用于工业级环境(温度 -55℃~+150℃)。出厂通常以卷带或托盘包装,便于 SMD 自动贴装。建议在可靠性验证阶段进行实际浪涌试验(10/1000μs)和热循环测试,以确认在目标应用中的长期稳定性。
总结:SMDJ200CA 提供高能量吸收能力、低泄漏与快速响应,适合需要对高能脉冲(如雷击、开关浪涌)进行保护的直流或交流系统。选用时需关注系统耐压、钳位后电压对后级电路的影响,并在 PCB 设计与热管理上采取相应措施以确保长期可靠工作。若需器件详细曲线(I-V、钳位特性、温度系数等)和推荐封装尺寸,请参考 DOWO 官方规格说明书或联系供应商获取完整数据手册。
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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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