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AR03BTCX1001A是光颉(Viking)推出的0603封装薄膜贴片电阻,属于高精度小功率器件,核心参数匹配1kΩ阻值、±0.1%精度、100mW额定功率,针对需要精密阻值控制、宽温稳定性的电路设计,覆盖工业控制、高端消费电子等领域。
标称阻值1kΩ,精度±0.1%——属于行业A类精密电阻(远超普通0.5%、1%电阻),适合需要精确匹配(如差分放大电路的反馈网络)、精准采样(如电源电流检测的分流电阻)的场景,可避免因阻值偏差导致的信号失真或测量误差。
100mW(0.1W)——0603封装的典型额定功率,在工作温度范围内需遵循光颉降额曲线(如155℃高温时实际功率不超过80mW),适配小电流电路(100mW/1kΩ=10mA)。
±25ppm/℃——表示每变化1℃,阻值变化百万分之25。以工作温度范围-55℃155℃为例,总温差210℃,阻值最大变化量仅为1kΩ×210℃×25e-6=5.25Ω(仅为标称值的0.525%),远优于普通金属膜电阻(±50100ppm/℃),宽温环境下稳定性优异。
-55℃~+155℃——工业级宽温覆盖,适配户外设备、汽车电子低温区、工业烤箱高温区等极端场景,无需额外温度补偿电路,简化设计。
尺寸为1.6mm(长)×0.8mm(宽),符合IPC标准,适配主流SMT自动化生产线,适合高密度PCB布局(如智能手机、智能穿戴的小型化设计),抗机械振动性能优于插件电阻。
采用光颉成熟的镍铬(NiCr)薄膜溅射技术:相比碳膜电阻(精度低、漂移大)、金属膜电阻(TCR较高),具有“阻值精度高、温度稳定性好、长期漂移小”的特点;薄膜层通过真空沉积形成,批量生产阻值一致性严格控制在±0.05%以内。
光颉(Viking)作为全球被动元件头部厂商,AR03BTCX1001A通过以下认证:
该产品平衡了精度、稳定性、体积与成本,是精密电路设计的高性价比选择。
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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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