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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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Technical data
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WNM2046A-3/TR 是 WILLSEMI(韦尔)推出的一款小封装、低压差 N 沟道绝缘栅场效应管(MOSFET),面向空间受限和低电压控制场景。该器件以低栅极电荷、较小寄生电容以及在 1.8V 驱动下仍能提供可用导通阻抗的特性,适合作为逻辑电平开关和小电流功率通断元件使用。
以上参数适合评估在低电压、低功率应用下的开关性能与热限制。具体的极限条件与动态特性请以厂商完整数据手册为准。
由于器件的连续电流与功耗限制(Id = 600 mA,Pd = 320 mW),不建议用于大功率开关或需要长期高电流通过的主开关场合。
DFN1006-3L 属于超小型无引脚外形封装,优点是体积小并利于表面贴装。但该封装的散热能力有限,实际允许的连续电流与耗散能力在较大程度上依赖 PCB 铜箔面积与铺铜散热设计。建议:
典型场景为 MCU 控制的低侧开关:将 WNM2046A-3/TR 做为负载(例如传感器、指示灯)低侧开关,漏端接负载,源端接地,MCU 的 1.8V 控制信号直接驱动门极。门极并联一个 100 kΩ 下拉电阻以确保断态;若负载为感性器件,在负载两端并联续流二极管或 TVS 做瞬态抑制。
总结:WNM2046A-3/TR 以其小尺寸、低栅极电荷和在低门极电压下可用的导通阻抗,适合空间和功耗敏感的低电压开关场景。设计时需重视热管理与 PCB 布局,以充分发挥其性能并保证长期可靠性。有关详细极限值、热阻和典型特性曲线,请参照厂商完整数据手册。
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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.
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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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