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SMMBFJ310LT1G是ON安森美(ON Semiconductor) 推出的一款N沟道结型场效应管(JFET),属于小型表面贴装器件。该器件专为低压小信号应用设计,采用紧凑的SOT-23-3封装(兼容TO-236、SC-59封装标识),可满足高密度PCB布局需求,适用于消费电子、工业控制等多领域的量产场景。
该器件的关键电气参数(均基于典型测试条件)如下:
SMMBFJ310LT1G采用SOT-23-3封装(尺寸约2.9×1.6×1.1mm),为3引脚表面贴装结构,引脚定义如下(需严格对应,避免接线错误):
注意:N沟道JFET的栅极-源极(G-S)为PN结,正常工作时需保持反偏状态(即VGS < 0V,避免正向导通导致电流过大)。
结合JFET的特性,该器件常见应用场景包括:
由ON安森美生产,该品牌在半导体领域拥有成熟的工艺管控体系,器件符合RoHS环保标准,具备高可靠性:
SMMBFJ310LT1G作为一款小型化N沟道JFET,凭借高输入阻抗、低噪声、低压工作特性及紧凑封装,成为消费电子、工业控制等领域的通用型器件选择,可有效满足多种低压小信号应用的需求。
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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.
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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.
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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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