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ARG02DTC1002是光颉(Viking)电子推出的一款0402封装高精度薄膜贴片电阻,专为对阻值精度、温度稳定性及小型化有要求的电子电路设计,覆盖消费电子、工业控制、汽车电子等多领域应用场景,核心参数满足中高端电路的可靠性需求。
ARG02DTC1002属于光颉ARG系列薄膜电阻,核心定位为小型化、高精度、宽温稳的贴片电阻。区别于普通碳膜/金属膜电阻,其采用薄膜溅射工艺实现更低的温度系数与更高的阻值一致性,适配高密度PCB布局与严苛环境下的长期稳定运行,是精密电路中替代低精度电阻的优选方案。
ARG02DTC1002的参数设计精准匹配了精密电路的核心需求,各关键指标的实际意义与应用价值如下:
标称阻值为10kΩ,阻值精度为**±0.5%**——常温(25℃)下,实际阻值与标称值的偏差不超过50Ω,可满足信号放大、分压电路、基准源等对阻值偏差敏感的应用,避免因精度不足导致的信号失真或控制误差。例如,在12位ADC的基准分压电路中,±0.5%精度可将转换误差控制在合理范围内。
温度系数为**±25ppm/℃**,表示每变化1℃,阻值变化百万分之25。例如,当环境温度从-55℃升至155℃(变化210℃),阻值变化约±0.525%,远低于普通电阻(通常±100ppm/℃以上)的温漂水平,确保宽温区下电路性能稳定。
覆盖**-55℃~+155℃**,符合工业级温区标准,可适应户外设备、车载系统等高低温交替的严苛环境,无需额外降额设计,降低电路设计复杂度。
ARG02DTC1002采用0402封装(英制尺寸:0.04英寸×0.02英寸,对应公制1005:1.0mm×0.5mm),具有以下实用特性:
ARG02DTC1002的参数特性使其适配多领域的精密电路,典型应用包括:
光颉ARG系列采用薄膜溅射工艺,相比传统电阻工艺具有以下核心优势:
ARG02DTC1002作为光颉推出的0402封装薄膜电阻,以高精度(±0.5%)、低温漂(±25ppm/℃)、宽温区(-55~155℃) 为核心优势,结合小型化封装与高可靠性工艺,是消费电子、工业控制、汽车电子等领域精密电路的理想选择,可有效提升电路性能的稳定性与一致性,降低设计与维护成本。
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