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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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AON7544 是华轩阳电子(HXY MOSFET)推出的一款高性能 N 沟道功率 MOSFET,封装为 DFN3x3-8L。器件设计用于中低压大电流场合,额定漏源电压为 30V,连续漏极电流高达 100A,导通电阻仅 5.5mΩ(VGS=10V, ID=30A),功耗能力实测 Pd=62.5W(参考热设计条件)。工作温度范围宽 (-55℃ ~ +150℃),适用于对可靠性和热管理有较高要求的工业和消费类应用。
DFN3x3-8L 提供小尺寸与较好导热路径,但需注意:焊盘与热焊盘应按厂家推荐焊盘设计,打通多颗过孔改善垂直热传递;短而粗的电流回路有利于减小寄生电感,降低开关损耗与振铃。
选择 AON7544 时,优先评估系统最大连续/突发电流、允许结温与驱动能力。若系统驱动仅 5V,需权衡 RDS(on) 增大带来的损耗;若要求极快开关速度或更低导通电阻,可在热预算允许下考虑更高驱动电压或并联多个 MOSFET 分担电流。
总结:AON7544(HXY)在 30V 电压域下提供了低 RDS(on)、高电流能力与紧凑 DFN 封装的平衡,是需在有限 PCB 面积内实现大电流、低损耗开关或同步整流应用的优选器件。
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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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