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ERA3ARB472V
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- PANASONIC ERA3ARB472V
- Type
- PANASONIC
- Minimum package
- 5000 圆盘
Technical parameters
- Power
- 100mW
- Electronic Component
- Electronic Component
- Electronic Component
- PANASONIC
- Electronic Component
- ERA3ARB472V
- Electronic Component
- 1
- Package
- 0603
- Electronic Component
- SMD Resistor
- Electronic Component
- ±0.1%
- Electronic Component
- 0.027g
- Electronic Component
- 4.7kΩ
- Electronic Component
- 1
- Electronic Component
- BM0264567906
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 75V
- Electronic Component
- ±10ppm/℃
- Resistor Type
- Resistor
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ERA3ARB472V 薄膜贴片电阻产品概述
一、产品基本定位与身份
ERA3ARB472V是松下（PANASONIC）推出的0603封装高精度薄膜贴片电阻，属于其工业级小功率电阻产品线。该型号针对对阻值精度、温度稳定性要求严苛的电子设计场景，兼顾小型化贴装需求，是仪器仪表、工业控制、通信设备等领域的常用核心元件。
二、核心电气参数详细解析
该电阻的关键指标直接决定适用场景，具体拆解如下：
- 阻值与精度：标称阻值4.7kΩ（编码“472”表示47×10²Ω），精度达±0.1%——远高于普通碳膜电阻（1%~5%精度），可有效降低精密电路的系统误差，适合信号分压、电流采样等对阻值一致性要求高的环节。
- 功率与电压限制：额定功率100mW（0.1W），额定工作电压75V。实际使用需同时满足功率公式(P=V²/R)（如75V电压下理论功耗≈1.19W，远超额定值），因此需结合电路电流/电压，确保实际功耗不超过100mW。
- 温度系数（TCR）：±10ppm/℃——薄膜电阻的核心优势，温度每变化1℃，阻值漂移仅0.001%，可保证宽温环境下电路性能稳定，无需额外温度补偿。
三、物理封装与环境适应性
- 封装尺寸：0603封装（英制，对应公制1.6mm×0.8mm），属于小型化贴片封装，适合高密度PCB设计（如智能穿戴、基站射频模块），且支持自动化贴装，提升生产效率。
- 工作温度范围：-55℃~+155℃——覆盖工业级宽温需求，可在高温车间、低温户外设备中稳定工作，无需额外散热措施。
- 封装特性：无引线贴片设计，减少寄生电感/电容，适合高频电路（如射频匹配网络）；表面贴装工艺降低接触电阻，提升电路可靠性。
四、典型应用场景推荐
结合参数优势，该型号主要适用于：
- 精密仪器仪表：示波器、万用表的信号采样电路，利用±0.1%精度实现准确测量。
- 工业控制模块：PLC模拟量输入输出电路，宽温范围适应工业现场温度波动。
- 通信设备：基站射频匹配电阻、信号调理模块，温度稳定性保障信号传输质量。
- 医疗电子：监护仪、血糖仪的信号放大电路，高精度阻值提升检测准确性。
- 高端消费电子：Hi-Fi音频分频网络、耳机放大器偏置电路，薄膜电阻低噪声特性优化音质。
五、品牌与可靠性背书
松下作为全球电子元器件龙头，其薄膜电阻工艺经数十年沉淀，ERA3ARB472V符合RoHS环保标准（无铅无镉），通过温度循环、湿度老化、振动测试等严格可靠性验证，可满足量产应用的一致性要求，是追求长期稳定运行设计的可靠选择。
该型号以“高精度+宽温稳定+小型化”为核心优势，覆盖从工业到消费电子的多场景需求，是电子设计中替代普通电阻的优质选项。
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