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.
AONR21357 是 MSKSEMI(美森科)推出的一款 P 沟道功率 MOSFET,面向中低压、高电流应用场景。器件额定漏—源电压为 30V,连续漏极电流可达 50A,导通电阻在标称驱动条件下低至 13mΩ(在 10V 驱动幅值条件下测得),适合对导通损耗和热量有较高要求的场合。器件栅极电荷量 Qg 为 22nC(在 4.5V 驱动幅值测得),输入电容 Ciss = 2.215nF,反向传输电容 Crss = 237pF,输出电容 Coss = 310pF,工作温度范围宽(-55℃ ~ +150℃),额定耗散功率为 37W。
AONR21357 适用于便携设备电源管理中的高侧开关、负载断开、逆流阻断、以及需要小封装但高电流承载能力的开关电源和电机驱动电路。DFN3x3 封装利于在面积受限的 PCB 上实现高密度布局,常见于手持设备、消费类电子、电源管理模块和负载开关应用。
DFN3x3-8L 小封装带来良好的热阻与寄生电感折衷,但在高电流工况下仍需注意散热:
总体而言,AONR21357 在 30V 等级中以低导通阻抗、高电流承载能力和小型 DFN 封装提供了良好的功率密度选择,适合需要兼顾体积与效率的便携电源及开关场合。
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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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