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ERJPA2F4701X是松下(PANASONIC)针对小体积、高可靠性电子电路推出的0402封装厚膜贴片电阻,核心用于限流、分压、滤波等基础功能,广泛覆盖消费电子、工业控制、通信等领域。以下从多维度展开详细概述:
ERJPA2F4701X属于松下厚膜贴片电阻系列,型号命名遵循行业通用逻辑:
该产品主打小体积、高精度、宽温适应三大核心优势,适配自动化SMT生产流程,是电子设备小型化趋势下的主流选型。
ERJPA2F4701X的参数针对不同场景做了针对性优化,关键参数及应用意义如下:
参数类型 具体数值 应用价值 标称阻值 4.7kΩ(4701) 适配多数电路的分压、限流需求(如ADC输入网络、电源反馈回路) 阻值精度 ±1% 高于常规±5%电阻,确保传感器信号调理、电压基准等场景的精准度 额定功率 250mW 匹配0402封装功率上限,满足手机、IoT设备等小功率电路的负载要求 最大工作电压 50V 耐受电路瞬态过压,降低设备损坏风险 温度系数(TCR) ±100ppm/℃ 温度变化1℃时阻值漂移≤0.01%,适合宽温环境下的阻值稳定性需求 工作温度范围 -55℃~+155℃ 覆盖工业级(-40+85℃)及汽车辅助电路(-55+125℃)的温度场景封装尺寸为1.0mm×0.5mm(英制规格),是贴片电阻中体积较小的类型之一,可大幅节省PCB空间,适配智能手机、智能穿戴、小型医疗设备等对体积敏感的产品。
采用丝网印刷+高温烧结厚膜工艺,相比薄膜电阻成本更低,相比碳膜电阻稳定性更强:
焊盘采用优化结构,兼容回流焊、波峰焊工艺,焊接后附着力强,降低虚焊风险,提升生产良率。
ERJPA2F4701X的性能适配多领域需求,典型应用包括:
-55℃~+155℃的工作温度范围,可满足极端环境需求:如北方户外设备(冬季低温)、工业烤箱附近控制电路(夏季高温)。
松下对该产品完成多项可靠性测试:
符合RoHS 2.0、REACH等国际环保标准,无铅无镉,适配全球市场准入要求。
ERJPA2F4701X依托松下全球品质管控体系:
综上,ERJPA2F4701X是一款高性价比、高可靠性的厚膜贴片电阻,适配小体积、宽温、高精度电子电路需求,是电子设备小型化升级的理想选择。
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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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