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.
EMG11T2R 是 ROHM(罗姆)推出的一款双通道数字晶体管(Dual Pre-biased NPN),每通道内置基极偏置电阻,适合与单片机等逻辑电平直接驱动。器件提供两颗预偏置 NPN 晶体管,集射极击穿电压 Vceo = 50V,最大集电极电流 Ic = 100mA,静态耗散功率 Pd = 150mW。典型直流电流增益 hFE = 80(测量条件 10mA / 5V),内置输入电阻约 2.2kΩ,封装为紧凑的 EMT-5,便于空间受限的 PCB 设计。
优点:
局限:
EMT-5 小型封装,适合表面贴装工艺,便于自动化装配与紧凑布板。ROHM 品牌在可靠性与一致性方面有良好口碑,但在设计时仍建议参考官方 Datasheet 以获得完整的引脚定义、最大额定值曲线、热阻及封装尺寸数据,并进行必要的样机测试验证。
总体而言,EMG11T2R 适合用于需要直接由逻辑电平驱动、希望减小外部被动元件数量并节省 PCB 空间的低功耗开关应用。在实际设计中,请结合负载特性与热管理要求,合理选择工作点并参考 ROHM 官方资料以确保长期可靠运行。
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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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