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.
KUU SS54 为独立式肖特基整流二极管,采用 SMA(DO-214AC)表面贴装封装。该器件针对中低压、大电流整流场合优化,正向压降低、开关速度快,适合开关电源、DC-DC 转换、电池保护与续流等应用。典型工作结温范围宽(-50℃ ~ +125℃),结合较高的冲击能力,可满足一般工业与消费电子的应用需求。
SS54 使用 SMA(DO-214AC)封装,体积小、便于自动贴装。SMA 封装在中等功率密度下具有良好的机械强度和热传导性能。为了获得最佳散热效果,建议在 PCB 设计时采用宽铜箔引线、必要时添加散热铺铜与过孔直通基板散热层,以降低结温并延长可靠性寿命。
SS54 的 40 V 反向耐压适合 12V/24V 系统及一般低压电源应用;要求更高耐压场合应选择更高 Vr 的肖特基型号。
常见测试项目包括正向压降 Vf 测量(在 5 A 条件下验证),反向漏电 Ir(在 Vr=40 V 时测量),以及浪涌耐受测试(Ifsm)。出厂批次需关注 Vf 和 Ir 的分散,以保证电路一致性与效率。
若系统电压或抑制电压高于 40 V,建议选择更高 Vr 等级的肖特基型号;若对效率有更高要求,可比较同功率等级下 Vf 更低的替代品。选型时还应关注封装、可靠性认证与供应稳定性。
总结:KUU SS54 提供了低正向压降与中高瞬时浪涌能力的经济型肖特基解决方案,适用于多种中低压电源整流与保护场合。选用时请结合 PCB 散热设计与电流降额要求,确保长期可靠运行。
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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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