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.
LM385M3-2.5/TR 是一款基于带隙结构的低功耗 2.5V 基准/基准稳压器,设计用于在小尺寸封装中提供稳定、低噪声的参考电压。其主要特点包括低静态电流、较小的温度漂移和较低的噪声,为电池供电及精密模拟电路提供性价比较高的参考源。
该器件作为一个“分流型”基准(shunt reference)工作:在被稳压点(阴极)与地之间形成稳定的 2.5V 电压。通常在供电总线上串联一个限流电阻,向阴极提供工作电流;当阴极电流在器件规定的工作区间(≥13μA)时即可进入稳压状态。输出可为片内电路或外部 ADC、DAC、比较器等提供参考电压;在需要较大负载驱动时,可根据最大输出电流 20mA 来配置供电与散热方案。
若追求超低噪声或超高温稳定性,可考虑带有专门噪声抑制引脚或更低温漂(ppm/℃)的高端基准芯片;但在成本、空间与功耗受限的通用场合,LM385M3‑2.5 提供了良好的平衡:低静态电流、合适的输出驱动能力和紧凑封装,使其成为便携设备和一般精密模拟前端的常用选择。
如需进一步协调电路设计(限流电阻计算、去耦电容建议、温漂叠加估算等),可提供具体电源电压、负载条件与工作环境,我可以协助做精确计算与电路建议。
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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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