Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Available for RFQ
Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
AO4443 是一款高性能 P 沟道增强型场效应管(MOSFET),具有优异的电气特性和可靠性。它是由 AOS(AOSMD)公司出品,广泛应用于功率管理和控制电路中。该器件设计用于能够承受高达 40V 的漏源电压,并且在 25°C 环境下,其连续漏极电流可达到 6A,这使得其在各种应用中表现出色。
漏源电压(Vdss): 40V
连续漏极电流(Id): 6A (25°C)
栅源极阈值电压: 2.6V @ 250μA
漏源导通电阻: 42mΩ @ 6A, 10V
最大功率耗散(Ta=25°C): 3.1W
AO4443 采用 SOIC-8 封装,具备较小的尺寸和良好的热管理能力。这种封装形式非常适合空间有限的应用,并且在焊接和组装过程中具有较高的机械强度。此外,AO4443 还提供了卷装供货形式,便于自动化生产。
AO4443 可广泛应用于多个领域,包括但不限于:
DC-DC 转换器: 由于其极低的导通电阻和高电流承受能力,AO4443 是高效 DC-DC 转换器中理想的选择,能够显著提高转换效率。
负载开关: AO4443 在桥接负载时,可以作为负载开关;其较低的栅源阈值电压使得该器件能够在低电平控制信号下快速开启和关闭,提升了系统响应速度。
电机驱动: 利用其高电流承受能力和灵活的工作电压,AO4443 适用于直流电机和步进电机的驱动方案,确保电机在启动和运行期间能够获得足够的电流供应。
电源管理: AO4443 的出色热性能和功率处理能力,使其成为电源管理电路中不可或缺的组件,特别是在移动设备和电动工具中。
高效的电气特性: 低导通电阻和适中的功率供给,使得 AO4443 在功率损耗和发热方面表现出色,极大地提高了整体工作效率。
优越的热管理: 该器件提供了较好的热散发能力,可以在较高的功率水平下稳定工作,减少了因过热导致的性能下降风险。
小型化设计: SOIC-8 封装不仅节省了空间,还易于集成于多层电路板中,适应现代电子产品对体积和重量的要求。
总之,AO4443 是一款多功能、高效能的 P 沟道 MOSFET,适合多种苛刻的电子应用。其出色的电气性能、可靠的热管理和小巧的封装使其成为设计工程师在选择功率开关时的优质选项。无论是在消费电子、电压转化还是电机驱动领域,AO4443 都展现出了独特的价值,为相关产品带来了更高的性能和更好的用户体验。
Request for quote
Use the form for single models, category sourcing, and multi-line BOM requirements.
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.
Related products