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Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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WST05N10 是 WINSOK(微硕)推出的一款通用 N 沟道场效应管(MOSFET),封装为 SOT-23,适用于小功率开关和电源管理场合。器件的主要电气参数为:漏源耐压 Vdss = 100V,连续漏极电流 Id = 2.8A,导通电阻 RDS(on) = 220 mΩ(Vgs = 4.5V),功耗 Pd = 1W,栅源阈值电压 Vgs(th) = 2.5V,门极电荷 Qg = 25nC(@10V),工作温度范围 -55 ℃ ~ +150 ℃。单只产品,SOT-23 封装,适合空间受限的电路板设计。
尽管额定连续漏极电流为 2.8A,但器件的功耗 Pd = 1W(SOT-23 封装)限制了在高电流下的持续使用。按近似损耗计算:P_loss ≈ I^2 × RDS(on)。例如在 2.8A 时损耗约 2.8^2 × 0.22 ≈ 1.72W,已超过器件 Pd,需降额或采用短脉冲工作;在 1A 时损耗约 0.22W,较易散热。建议:
总结:WST05N10 适合中等电压、低至中等电流的小型电源与开关应用,优势在于 100V 耐压与 SOT-23 紧凑封装。设计时需重视热管理与门极驱动,按实际工作点进行降额与验证,以确保长期可靠运行。
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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.
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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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