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.
CRJD390N65GC 是华润微(CRMICRO)推出的一款高压N沟场效应管,适用于高压开关应用。主要电气参数如下:
TO-252(DPAK)为表面贴装封装,适合在 PCB 上通过较大铜箔做散热。尽管器件标称 Pd=74 W,但实际耗散能力强烈依赖于 PCB 铜面积、层间散热通道及环境温度,设计时应按温升和结温限制进行功率降额(derating)。推荐增加顶层与底层铜箔,使用过孔导热至散热层或背面散热片,并在高温条件下设置安全裕度。
在选用 CRJD390N65GC 时,应根据工作电压、占空比、开关频率与导通损耗综合评估。若需要更低导通电阻或更高频率性能,可考虑同类 650 V 器件中 RDS(on) 更低、Qg 更小的产品。设计时务必参考完整数据手册,确认最大结温、脉冲SOA、最大反向恢复能量等关键参量,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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