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.
ARG05FTC4700 采用薄膜工艺制成,较厚膜(碳膜、厚膜)电阻具有更低噪声、更小的温漂和更好的长期稳定性。±1% 的精度配合 ±25 ppm/℃ 的低温度系数,适用于需要中高精度和温度稳定性的电路设计。0805 小尺寸封装兼顾了PCB 布局密度与可焊性,适合自动化贴装与回流工艺。
需注意额定功率与额定工作电压的关系:器件标称工作电压 150 V 表示元件的介电或耐压限制,而稳态允许的最大电压应受功率限制。稳态最大允许电压可由 Vmax = sqrt(P×R) 计算,代入 P=0.125 W、R=470 Ω,可得约 7.66 V。长期使用时请以功率限制为准,避免仅依据耐压值直接跨接高电压导致过热失效。
0805 封装适配主流贴片工艺,推荐使用工业级回流焊工艺。薄膜电阻具有良好的抗湿热性能与抗热循环能力,但仍需注意焊接峰值温度、焊膏类型及回流曲线,以免因过热或机械应力造成阻值漂移或裂纹。常见包装为卷带(Tape & Reel),便于自动贴装与生产线使用。制造商通常保证符合 RoHS 要求,客户可根据需要索取详细可靠性测试报告(如稳态负载寿命、湿热循环、温度冲击等)。
如需完整规格书、封装尺寸图或可靠性测试数据,我可以帮您进一步获取或整理。
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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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