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RC-02K620JT为风华FH品牌旗下的标准化厚膜贴片电阻,采用0402封装(公制尺寸约1.0mm×0.5mm),属于小型化表面贴装元件,适配自动化贴片焊接工艺,可满足高密度PCB设计需求。
该产品属于厚膜电阻范畴,通过丝网印刷电阻浆料、高温烧结形成稳定电阻膜层,兼具成本优势与实用电气性能,是电子电路中实现分压、限流、滤波等功能的常用基础元件。
标称阻值为62Ω,精度等级为**±5%**,可覆盖大多数普通电子电路对阻值误差的需求(如信号分压、小电流限流场景无需更高精度时的应用)。
额定功率为62.5mW,符合0402封装贴片电阻的典型功率等级,适用于低功率信号处理、小电流电源滤波等场景。需注意实际工作功率不得超过额定值,避免过热导致阻值漂移或元件损坏。
温度系数为**±100ppm/℃**,表示环境温度每变化1℃时,阻值变化量不超过标称值的百万分之一百(即62Ω×100ppm=±6.2mΩ/℃)。该参数可保证产品在宽温度范围内阻值稳定性,减少温度波动对电路性能的影响。
RC-02K620JT的工作温度范围为**-55℃至+155℃**,覆盖工业级环境的高低温区间,可适配汽车电子(如车载小功率控制电路)、工业控制(如小型传感器接口)等对温度敏感的应用场景。
此外,厚膜电阻的结构特性使其具备一定的抗湿、抗机械应力能力,可在常规湿度环境下长期稳定工作;适配回流焊、波峰焊等贴片工艺,焊接可靠性符合行业标准。
结合产品的封装尺寸、功率及温区特性,RC-02K620JT的典型应用包括:
该产品可作为电子电路中基础阻性元件的标准化选择,适用于对功率、精度要求不苛刻但需宽温适配的常规应用场景。
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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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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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