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YJD18GP10A 是扬杰(YANGJIE)推出的一款 P 沟道功率 MOSFET,单只器件,额定漏源电压 100V,连续漏极电流 18A,最大耗散功率 72W。器件封装为 TO-252(DPAK),工作温度范围宽(-55℃ 到 +150℃),适用于需要高侧开关、保护与电源管理的工业与消费类电路。
导通损耗与热设计
导通损耗 Pcon ≈ I^2 × RDS(on)。例如:在满载 18A 条件下,Pcon ≈ 18^2 × 0.09 ≈ 29.16W;在 10A 时约为 9W,在 5A 时约为 2.25W。相比器件最大耗散 72W,若 PCB 和散热设计得当(大铜层、过孔导热或外接散热片),器件可在高电流工况下可靠工作。
开关与驱动性能
总栅电荷 Qg = 20.1 nC(10V),单次开关时栅驱能量近似 E ≈ 0.5 × Qg × V ≈ 100.5 nJ;栅驱损耗可按 Pgate ≈ Qg × Vdrive × f 估算。举例在 100 kHz 下、Vdrive = 10V,栅驱损耗约为 20.1 mW,驱动负担较小。较小的 Crss(25 pF)有利于降低米勒效应对开关速度的影响。
P 沟道使用要点
P-MOS 常用于正轨高侧开关,栅极需相对于源极拉低以导通(即 Vgs 为负值);在设计高侧驱动时需保证门极允许的电压幅度与驱动器范围,建议在驱动回路中加入限流电阻、门极吸收或栅极保护电路以避免过冲或损坏。
YJD18GP10A 以 100V 耐压、较低的 RDS(on) 与较小的栅电荷为优势,适合需要可靠高侧开关与中等功率管理的应用场景。选型时请结合完整数据手册与实际热设计验证最终方案。
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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.
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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.
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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