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.
SGM2203-2.5YN3LG/TR 是圣邦微(SGMICRO)推出的一款固定输出线性稳压器,提供 2.5V 正输出,单通道设计。该器件支持最高 36V 工作电压,输出电流可达 150mA,适合对噪声与供电精度有较高要求的便携与工业应用。器件封装为 SOT-23,体积小、外围简单,易于在空间受限的系统中使用。
SGM2203 在 1kHz 时具有约 55dB 的电源纹波抑制能力,能有效降低输入纹波对敏感模拟电路的干扰。压差为 1.85V(在满载 150mA 时),因此当输出 2.5V 并需满载工作时,最低输入电压需 ≈4.35V。静态电流仅 4.2μA,有利于延长电池供电系统的待机时间。
该型号采用 SOT-23 小封装,适合空间受限的应用。典型 SOT-23 引脚功能包括 输入(VIN)、地(GND)和输出(VOUT)。引脚排列与封装详情请参考厂家数据手册以获得准确焊盘与热阻信息。
器件内置过流保护与过热保护,提高系统可靠性。当发生短路或过载时,OCP 会限制输出电流以防器件损坏;若内部结温过高,热关断会切断输出,待温度恢复后自动重启。仍需在系统设计中考虑故障工况与保护策略(如外部限流、保险丝等)。
SGM2203-2.5YN3LG/TR 适合对静态电流和噪声抑制有要求且负载电流不大(≤150mA)的应用场景。若系统输入电压常显著高于输出且负载电流接近最大值,应评估热耗散并考虑采用前端开关降压转换器或更大散热能力的封装。购买与最终布局前,请参照官方数据手册获取完整引脚、典型特性曲线及推荐 PCB 焊盘尺寸。
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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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