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ERA2AEB473X
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- PANASONIC ERA2AEB473X
- Type
- PANASONIC
- Minimum package
- 10000 圆盘
Technical parameters
- Power
- 63mW
- Electronic Component
- Electronic Component
- Electronic Component
- PANASONIC
- Electronic Component
- ERA2AEB473X
- Electronic Component
- 1
- Package
- 0402
- Electronic Component
- SMD Resistor
- Electronic Component
- ±0.1%
- Electronic Component
- 0.015g
- Electronic Component
- 47kΩ
- Electronic Component
- 1
- Electronic Component
- BM0264567904
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 50V
- Electronic Component
- ±25ppm/℃
- Resistor Type
- Resistor
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ERA2AEB473X — 高可靠性薄膜贴片电阻器概述
一、产品简介
ERA2AEB473X 为松下（PANASONIC）系列高可靠性薄膜贴片电阻器，0402 封装，标称阻值 47 kΩ，公差 ±0.1%。该器件采用薄膜工艺制造，旨在于对尺寸、精度与长期稳定性有严格要求的微型化电子产品中提供可靠的阻值控制与温度特性。
二、主要技术参数
- 阻值：47 kΩ
- 精度：±0.1%（高精度等级）
- 功率额定：63 mW（额定功率）
- 最大工作电压：50 V
- 温度系数（TCR）：±25 ppm/℃
- 工作温度范围：-55 ℃ ~ +155 ℃
- 封装：0402（1.0 mm × 0.5 mm 级别）
- 制程：薄膜（薄膜电阻特有的低噪声与高稳定性）
三、关键特性与优势
- 高精度：±0.1% 公差满足精密分压、采样与校准电路的阻值稳定性要求。
- 低温漂：±25 ppm/℃ 的 TCR 在温度变化环境中保证良好的一致性。
- 小型封装：0402 提供更高的装配密度，适合轻薄短小的终端设备。
- 良好长期稳定性：薄膜工艺在热漂与负载寿命方面优于常规金属膜/碳膜器件。
- 低功耗设计：63 mW 的额定功率适配低功耗电路，但需注意热管理与降额使用。
四、典型应用场景
- 精密模拟前端的分压与偏置网络
- ADC/DAC 的采样与参考电路
- 高频/射频电路中的阻抗匹配（在允许功耗范围内）
- 工控、仪器仪表及汽车电子中对温漂和长期稳定性有要求的电阻元件
五、封装与焊接建议
- 由于 0402 尺寸微小，建议使用贴片回流焊，遵循制造商推荐的回流曲线（最大峰值温度通常不超过 260 ℃）。
- 为保证可靠性，焊接时应避免长时间高温暴露及机械应力。
- 焊盘设计应考虑良好的热扩散与机械支撑，避免大面积悬空或过薄焊膏导致应力集中。
- 对于长期可靠性，建议电阻实际功耗保持在额定功率的 50% 以下作为设计余量，特别是在高温或受限散热条件下。
六、可靠性与质量保证
ERA2AEB473X 采用薄膜工艺并通过严格出厂筛选，常规可靠性试验包含温度循环、湿热、耐焊接热、负载寿命等项目，以确保在额定条件下的电阻稳定性与失效率控制。请在关键应用中配合系统级验证以满足最终产品的性能要求。
七、选型与使用注意事项
- 最大工作电压 50 V 与 47 kΩ 的组合在满电压条件下接近功耗上限（V^2/R ≈ 53 mW），若长期维持在 50 V 下运行，建议适度降额或选用更大功率规格以获得更长寿命。
- 如需更高功率或更大电压余量，可考虑更大封装或功率等级的薄膜/厚膜电阻。
- 在高湿、高振动或汽车级应用中，请结合供应商的汽车级或工业级数据手册确认适配性。
本概述基于器件主要参数与薄膜贴片电阻的一般特性，为选型和电路设计提供参考。更多详细的电气特性曲线、回流曲线与可靠性报告，建议参考松下官方规格书与技术支持资料。
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