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ARG02DTC1403是光颉(Viking)推出的精密薄膜电阻,针对小型化、高精度电子设备设计。产品采用0402(英制)/1005(公制)紧凑型封装,属于光颉ARG系列精密电阻的核心型号之一,广泛适配消费电子、工业控制、通信等领域的高密度PCB布局需求。
ARG02DTC1403的关键参数均满足行业高精度要求,具体如下:
参数类别 规格参数 关键说明 电阻类型 NiCr基薄膜电阻 高稳定性薄膜材料,噪声低 标称阻值 140kΩ(1403代码) 激光微调实现精准阻值 阻值精度 ±0.5% 覆盖中等至高精度应用场景 额定功率 62.5mW(@70℃) 0402封装常规功率等级 最大工作电压 50V(直流/交流峰值) 避免电击穿的电压限制 温度系数(TCR) ±25ppm/℃ 宽温区下阻值稳定性优异 工作温度范围 -55℃ ~ +155℃ 覆盖工业及扩展温区需求高精度与温稳性
采用激光微调工艺,阻值精度达±0.5%;TCR控制在±25ppm/℃,在-55℃~155℃范围内,140kΩ阻值的最大变化仅为±3.5Ω(100℃温差下),适合温度敏感型电路(如传感器信号调理)。
小型化适配
0402封装尺寸仅1.0mm×0.5mm,占板面积比0603封装小60%,可显著提升PCB布局密度,满足智能手机、智能穿戴等便携式设备的小型化需求。
低噪声特性
NiCr薄膜电阻的电流噪声系数(~0.1μV/V)远低于碳膜/金属膜电阻,适合音频电路、精密测量仪器等对噪声敏感的场景。
长期可靠性
通过光颉1000小时负载寿命测试(70℃、额定功率),阻值漂移≤0.1%;高温高湿(85℃/85%RH)1000小时测试,阻值变化≤0.15%,确保设备长期稳定运行。
环保合规
符合RoHS 2.0、REACH及无铅无卤标准,适配全球市场的环保要求。
ARG02DTC1403因性能均衡,广泛应用于以下领域:
产品通过多项严苛测试,验证恶劣环境下的性能:
ARG02DTC1403凭借高精度、宽温区、小型化的综合优势,成为电子设备中平衡性能与成本的理想选择,覆盖从消费电子到工业控制的多场景需求。
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