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
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UMA5NTR 是由日本 ROHM 公司制造的一款高性能数字晶体管。该产品能够满足各种电子应用中的中低功率开关需求,以其优良的特性及方便的集成性被广泛应用于消费电子、通讯设备及工业控制等多个领域。
UMA5NTR 是一款双组 PNP 预偏压式晶体管,具有以下关键参数:
高效能:UMA5NTR 在最大集电极电流达 100mA 的情况下,展现出高达 80 的电流增益,能够实现在相对较低基极电流驱动下的高集电极电流输出。这使得该晶体管在多种场合中都能够高效工作,降低驱动功耗。
低饱和压降:该产品的饱和压降最大仅为 300mV,意味着在导通状态下,它能够有效减小功耗,同时也降低了发热量,提高了系统的稳定性和可靠性。
高工作频率:UMA5NTR 的跃迁频率达到 250MHz,非常适合高频率信号处理和快速开关应用。这种特性使其在数字电路和射频应用中都是一种理想的选择。
小型封装:采用 SOT-353 封装,体积小巧,特别适合面向空间有限的电子设计。这种小型化设计能够帮助工程师在设计中节省板级空间,同时提高整体设备的小型化程度。
作为一款高性能 PNP 数字晶体管,UMA5NTR 具有广泛的应用前景:
UMA5NTR 的应用电路可通过简单的配置获得最佳性能。基于其低基极电流驱动的特性,设计师可以选择合适的输入信号及偏置电阻,确保晶体管在适应不同工作条件下保持稳定工作。
总体来看,UMA5NTR 是一款性能卓越、尺寸小巧的数字晶体管,具有极低的饱和压降和高电流增益,适合多种电子产品的设计需求。凭借 ROHM 强大的科研实力与制造经验,UMA5NTR 在市场中具备竞争力,并成为工程师们在设计中理想的选择。
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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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