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ARG05DTC0750是Viking(光颉)推出的一款0805封装高精度薄膜贴片电阻,针对小型化、高稳定、低功率的电路设计需求优化,核心参数覆盖75Ω阻值、±0.5%精度、125mW额定功率等,广泛适用于精密测量、通信、工业控制等场景。
该产品属于金属薄膜电阻范畴(薄膜电阻常见类型为金属膜/合金膜),型号中“ARG05DTC”对应Viking薄膜电阻系列,“0750”明确阻值为75Ω。作为贴片电阻,采用0805标准封装,符合表面贴装工艺(SMT)要求,是中高端精度(相对更高精度的0.1%以下)中性能均衡的选择,兼顾成本与稳定性。
额定阻值75Ω,精度±0.5%,属于E96系列精密电阻(E96系列精度通常为±0.5%、±0.25%等),可满足大部分需要精确阻抗匹配、分压/限流的电路需求(如传感器信号放大的反馈网络)。
±25ppm/℃:即温度每变化1℃,阻值变化量为75Ω×25×10^-6=1.875mΩ,在-55℃~+155℃范围内,最大阻值变化量约为0.525%(与精度±0.5%接近),说明温度对阻值的影响被控制在精度范围内,稳定性优秀。
采用0805封装(行业标准尺寸:2.0mm×1.25mm×0.5mm),属于小型贴片封装,适合高密度PCB布局(如智能手表、蓝牙耳机等便携设备)。封装采用陶瓷基底+金属薄膜沉积工艺,具备良好的导热性与机械强度,可承受SMT回流焊温度(通常260℃左右),无封装开裂风险。
-55℃+155℃:覆盖了**工业级(-40℃+85℃)** 和部分汽车级(-40℃~+125℃) 场景,甚至可满足高温环境(如烤箱、光伏逆变器内部)或低温环境(如低温存储设备监控)的需求。
薄膜电阻的结构(金属膜沉积在陶瓷基底)决定了其耐潮湿、抗盐雾性能优于碳膜电阻,且高频特性更优(寄生电感/电容更小),适合射频电路中的阻抗匹配应用。经Viking出厂测试,产品长期稳定性优异(如1000小时老化后阻值变化≤0.1%)。
Viking(光颉)是全球知名的被动元件制造商,专注于电阻、电感等产品的研发与生产,ARG05DTC0750符合RoHS 2.0(无铅)、REACH等环保标准,且通过了ISO 9001质量体系认证。产品出厂前经过100%参数测试,确保批量供应时的一致性,适合大规模工业化生产。
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