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Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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RC-01W2201FT是风华电子(FH) 推出的通用型0201封装贴片厚膜电阻,属于小功率电阻范畴。型号中:
标称阻值2.2kΩ,精度±1%——属于通用级精度,可满足多数模拟电路(如信号分压、偏置电路)的阻值一致性需求,避免因精度偏差导致电路参数漂移。
50mW(0.05W)——0201封装的典型功率规格,实际应用需遵循60%降额原则(建议实际功率≤30mW),延长产品寿命并降低过热风险。
25V(峰值电压)——为电阻两端最大允许电压,若电路电压波动较大,需结合功率降额进一步限制(如30mW时最大电压约17.3V),防止击穿损坏。
±200ppm/℃——厚膜电阻的常规温度系数,意味着温度每变化1℃,阻值漂移±200Ω/10⁶Ω(2.2kΩ电阻在125℃时漂移约±44Ω),满足工业级温度范围的基本稳定性要求。
0201英制封装(公制0.6mm×0.3mm)——贴片电阻中尺寸较小的规格之一,适合高密度PCB布局(如智能手机、可穿戴设备主板),有效节省电路板空间。
采用丝网印刷+高温烧结工艺:电阻膜层与氧化铝陶瓷基底结合牢固,成本可控、批量一致性好,适合大规模工业生产。
兼容无铅焊接工艺(峰值温度260℃/10秒),焊盘设计符合IPC标准,适配常规回流焊、波峰焊设备,降低生产工艺难度。
-55℃+125℃——覆盖工业级温度要求(-40℃+85℃为商业级),可应用于低温环境(北方户外设备、车载冬季工况)与高温环境(电子设备内部散热区)。
表面覆盖环氧树脂保护层,具备:
额定参数下MTBF(平均无故障时间)达10⁶小时以上,可支撑多数电子设备的生命周期(如消费电子3~5年、工业设备10年以上)。
风华电子(FH)是国内被动元件龙头,产品通过ISO9001、RoHS、REACH认证,产能稳定,供货周期可控,适合批量采购需求。
该产品凭借小体积、稳定性能与工业级适应性,成为通用电子电路中2.2kΩ/±1%小功率电阻的优选方案。
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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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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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