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.
MAX809REUR+T 是一款低电流、单路电压监控器(Processor Supervisor),适用于对单一电源轨进行复位监控与系统看护。器件工作电压范围宽(1.0V ~ 5.5V),输出采用推挽(push-pull)结构,复位信号为低电平有效,典型复位时间约 140ms。该器件由 ADI / Linear 供应,封装为三引脚 SOT-23,适合体积受限的嵌入式与消费类电子产品。
MAX809REUR+T 在电源上电或电压低于阈值时自动产生复位信号。器件测量被监控电源,当电压低于内部设定阈值(约 2.59–2.63 V)时,输出被拉低并维持复位;当电压回到阈值之上并保持稳定后,器件在大约 140 ms 的超时期后释放复位,输出恢复高电平。由于输出为推挽结构,器件可以主动驱动复位线上下拉,无需外部上拉电阻,但不适宜与开漏/开集电极总线直接并联使用。
器件采用 SOT-23-3 小型封装,提供 Vcc、GND 与 RESET 三个功能端口。典型连接为:VCC 接被监控电源,GND 接系统地,RESET 直接连接到受控器件的复位输入。由于输出为推挽结构,RESET 可直接拉到复位输入端,无需外部上拉,但应避免将多个推挽型复位输出直接并联。
以上为基于给定参数的 MAX809REUR+T 产品概述。如需更详细的电气特性曲线、上电时序图或参考电路示例,可进一步提供数据手册截图或明确需求,我可协助提炼关键内容并给出原理级接线建议。
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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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