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FRC0402F5231TS是富捷电子(FOJAN)推出的0402封装厚膜贴片电阻,针对小型化、高精度、低功耗的电子电路场景设计,核心参数匹配消费电子、工业传感器接口、便携设备等领域的实用需求。其以厚膜工艺为基础,实现了“小尺寸+高精度+宽温适应”的平衡,适合批量应用中对成本与性能兼顾的场景。
产品标称阻值为5.23kΩ,精度等级为**±1%**——该精度可满足多数信号调理电路(如ADC参考分压、传感器信号放大)的阻值准确性要求,无需额外校准即可实现稳定的电信号处理,避免因阻值偏差导致的输出误差。例如,在12位ADC参考分压电路中,±1%精度可保证输出电压偏差控制在0.5%以内,满足基本测量需求。
额定功率为62.5mW(0.0625W),额定工作电压为50V。需注意:实际应用中需同时满足“功耗≤62.5mW”和“电压≤50V”两个限制(例如,当工作电压为50V时,实际功耗约为478mW,远超过额定功率,因此需根据电路实际功耗选择工作电压,避免过载)。该功率规格适合低功耗信号电路,不建议用于大电流、高功率场景(如功率管限流)。
温度系数(TCR)为**±100ppm/℃——即温度每变化1℃,阻值变化约±0.01%;若温度变化100℃,阻值偏差约±1%,可满足宽温环境下的阻值稳定性要求。
工作温度范围为-55℃~+155℃**,覆盖工业级宽温需求,可适应户外设备、工业现场的极端温度波动(如冬季低温、夏季高温)。
采用英制0402封装(公制1005,尺寸约1.0mm×0.5mm),是贴片电阻的小型化封装之一,可有效缩小PCB面积,适合高密度电路设计(如便携设备主板、小型传感器模块)。封装设计符合IPC J-STD-001标准,可兼容常规SMT贴装工艺,生产效率高,适合批量生产。
基于厚膜印刷工艺制造,相比薄膜电阻成本更低,且抗环境应力(如湿度、振动)能力更强;电阻膜层附着力好,长期使用阻值漂移率控制在0.5%以内(经1000小时高温老化测试),适合中低端电子设备的规模化应用。
FRC0402F5231TS通过常规可靠性测试(温度循环:-55~155℃,100次循环;湿度老化:85℃/85%RH,1000小时),阻值漂移率≤0.3%;0402封装的标准化设计可兼容主流SMT产线,批量生产一致性好,适合年用量10万级以上的电子设备制造商。
该产品以实用型参数覆盖多数中低端电子电路需求,是小型化、低功耗场景下的高性价比选择。
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