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
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TPH5900CNH,L1Q是东芝半导体推出的N沟道增强型功率MOSFET,针对中功率、小型化应用场景优化设计。封装采用MSOP-8(微型小外形封装),典型尺寸为3.0×3.0mm,相比传统TO-252封装体积缩小约70%,适配对空间敏感的便携及高密度电路。该器件兼顾电压承载能力、导通效率与开关速度,是电源管理、电机驱动等领域的高性价比选择。
漏源击穿电压(Vdss):150V
为器件可承受的最大漏源电压(无栅极偏置时),电路设计需确保工作电压不超过此值,避免击穿损坏。该参数满足多数中低压应用(如12V/24V系统的升压/降压电路)。
连续漏极电流(Id):9A(25℃)
是器件长期稳定工作的最大电流额定值。环境温度升高时需按热阻曲线降额(如100℃时连续电流约6A),确保结温不超允许范围(典型150℃)。短时间脉冲电流(如ms级)可支持更大输出,适配脉冲负载场景。
导通电阻(RDS(on)):50mΩ@Vgs=10V
是该器件核心优势——低导通电阻直接降低导通损耗。例如:5A电流通过时,导通压降仅250mV,功耗仅1.25W,远低于同类高阻MOSFET,可显著提升电路效率(如电源适配器转换效率可超90%)。
最大耗散功率(Pd):42W(25℃)
需搭配合理散热设计(如PCB铜箔、小型散热片),避免结温过高。实际应用中需根据环境温度与电流降额使用,确保可靠性。
栅极电荷量(Qg):7nC@Vgs=10V
低栅极电荷意味着栅极充电/放电能量少,驱动电路负载轻——可直接由3.3V/5V MCU驱动,无需额外栅极驱动芯片,简化BOM成本与电路复杂度。
电容参数
TPH5900CNH,L1Q采用MSOP-8封装,引脚排列符合N沟道MOSFET通用定义(具体需参考东芝官方datasheet,典型引脚:1=栅极G,2/3/4/5=漏极D,6/7/8=源极S)。封装特点:
结合参数特性,该器件主要应用于:
注意:实际应用需参考东芝官方完整datasheet,结合热设计、驱动电路优化及降额使用,确保器件安全可靠。
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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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