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ERJ2RKF1470X
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- PANASONIC ERJ2RKF1470X
- Type
- PANASONIC
- Minimum package
- 10000 圆盘
Technical parameters
- Power
- 100mW
- Electronic Component
- Electronic Component
- Electronic Component
- PANASONIC
- Electronic Component
- ERJ2RKF1470X
- Electronic Component
- 1
- Package
- 0402
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.011g
- Electronic Component
- 147Ω
- Electronic Component
- 1
- Electronic Component
- BM0264567811
- Operating Temperature
- 55℃~+155℃
- Electronic Component
- ±100ppm/℃
- Resistor Type
- Resistor
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ERJ2RKF1470X 厚膜贴片电阻产品概述
一、基本参数与型号定义
ERJ2RKF1470X是松下（PANASONIC）推出的0402封装厚膜贴片电阻，型号各部分精准对应产品核心属性：
- 前缀「ERJ」：松下通用贴片电阻系列标识，代表工业级标准设计；
- 「2」：功率关联码，对应本型号100mW额定功率（25℃环境下）；
- 「RKF」：精度与温度系数组合码，明确为**±1%精度**、±100ppm/℃温度系数；
- 「1470」：阻值编码（前三位为有效数字，末位为倍率），即147×10⁰=147Ω；
- 后缀「X」：通常为编带包装标识，适配SMT自动化生产。
核心参数清晰：
参数项 规格值 电阻类型 厚膜贴片电阻 标称阻值 147Ω 精度等级 ±1% 额定功率 100mW（25℃） 温度系数（TCR） ±100ppm/℃ 工作温度范围 -55℃ ~ +155℃ 封装尺寸 0402（1.0×0.5mm）二、核心性能优势
- 精度稳定可控：±1%的精度等级满足大多数电路对电阻值的准确需求，可避免分压、限流等场景下的信号失真或功率损耗异常；
- 温度特性优异：±100ppm/℃的TCR在厚膜电阻中属于中等偏优水平——以125℃高温为例，阻值偏差仅约0.7%（147Ω×100ppm/℃×70℃=1.03Ω），宽温环境下性能稳定；
- 小封装高密度：0402封装尺寸仅1.0×0.5mm，可大幅提升PCB布局密度，适配手机、可穿戴设备等紧凑设计；
- 功率适配性强：100mW额定功率覆盖小信号电路常见功耗，降额使用（如实际功耗≤50mW）可进一步提升可靠性。
三、封装与制造工艺
3.1 0402封装特性
采用表面贴装技术（SMT），焊盘尺寸适配标准回流焊工艺，支持无铅焊接（符合RoHS环保要求），焊接可靠性高，可兼容自动化生产。
3.2 厚膜工艺优势
通过丝网印刷+高温烧结工艺制备：
- 以氧化铝陶瓷为基片，印刷钌基电阻浆料后烧结形成电阻膜；
- 激光微调实现精度控制，膜层附着力强，耐机械应力优于部分薄膜电阻；
- 成本低于薄膜电阻，适合批量应用，同时覆盖宽阻值、功率范围。
四、典型应用场景
ERJ2RKF1470X因小封装、稳定性能，广泛应用于：
- 消费电子：智能手机音频滤波、平板电源管理（分压反馈）、智能手表信号调理；
- 工业控制：小型传感器模块（温度/压力放大）、PLC输入输出接口；
- 通信设备：路由器射频匹配网络、小型基站电源滤波；
- 汽车电子（辅助场景）：车载中控背光控制、胎压监测辅助电路（需结合AEC-Q100验证）。
五、可靠性与环境适应性
- 宽温耐受：-55℃~+155℃覆盖工业、车载严苛环境，125℃下1000小时测试阻值变化率≤0.5%；
- 环保合规：符合RoHS（无铅/镉）、REACH法规，适配全球市场；
- 抗干扰性：厚膜结构具有一定EMI抗干扰能力，适合高频电路基础应用。
总结
ERJ2RKF1470X是一款性价比高、性能稳定的0402厚膜电阻，可满足小信号电路的精度、功耗与小型化需求，适用于消费电子、工业控制等多领域批量应用。
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