Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Available for RFQ
Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
这款RALEC(旺诠)RAT022202FTH是一款0402封装厚膜贴片电阻,主打「小体积、高精度、宽温稳定」,针对高密度电路设计场景优化,属于旺诠常规系列中的高性价比型号,广泛适配消费电子、工业控制、汽车电子等领域的低功耗电路需求。
先明确核心参数的实际意义,避免干巴巴罗列:
0402封装尺寸仅约0.4mm×0.2mm(长×宽),比0603封装小近一半,能大幅减少PCB占用面积,特别适合智能手机、可穿戴设备(如智能手环)等追求小型化的产品——内部空间紧凑时,小封装电阻让电路布局更灵活。
采用厚膜丝网印刷工艺制造:相比薄膜电阻(精度高但成本高),厚膜电阻成本更可控;相比线绕电阻(功率大但体积大、不适合贴片),集成度更高。旺诠作为成熟厂商,工艺稳定性强,批量产品参数一致性好。
结合参数和封装,这款电阻的常见用武之地包括:
旺诠对这款电阻的可靠性设计做了针对性优化:
RALEC旺诠RAT022202FTH是一款「小而精」的厚膜贴片电阻:0402封装满足小型化,±1%精度满足精准度,宽温范围适配严苛环境,62.5mW功率覆盖低功耗场景——无论是消费电子量产还是工业/汽车定制化需求,都能找到应用空间,是旺诠系列中性价比突出的常规型号。
Request for quote
Use the form for single models, category sourcing, and multi-line BOM requirements.
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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