Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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SS8050 Y1(JUXING 钜兴)是一款通用 NPN 双极结晶体管,适用于小功率开关与放大场合。主要电气参数如下:
SS8050 Y1 在 100mA 工作点下具有较高的直流增益(hFE≈120),适合用作小信号放大器或驱动级;fT=100MHz 表明其在几十 MHz 范围内仍保持可用增益,适用于带宽要求不高的射频/开关应用。Vceo=25V 限定了其在中低压电源系统中的安全使用范围;Vebo=5V 说明基极反向耐压有限,使用时必须避免基极被反向加压超过该值。Ic 标称 1.5A 常为脉冲或短时值,长时间工作时需受限于 Pd(300mW)和封装散热能力。
示例热限制计算:若在饱和时 VCE(sat)≈0.5V,则理论上的连续电流上限约为 I = Pd / VCE(sat) ≈ 0.3W / 0.5V = 0.6A(实际可允许电流受环境温度与PCB散热影响,应作热仿真与实验验证)。
SOT-23 封装体积小,适合密集表贴线路,但自身散热能力有限。为保证长期可靠工作建议:
总结:SS8050 Y1 是一颗面向通用开关与放大的小功率 NPN 晶体管,凭借较高的 hFE 与 100MHz 的 fT,在中低电压、适度电流场景中具有良好性价比。选用时请重点关注封装散热限制与基极/集电极的工作条件,以确保可靠工作。
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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.
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The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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