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ERJ3EKF1202V
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- PANASONIC ERJ3EKF1202V
- Type
- 0603
- Minimum package
- 5000 圆盘
Technical parameters
- Power
- 100mW
- Electronic Component
- Electronic Component
- Electronic Component
- PANASONIC
- Electronic Component
- ERJ3EKF1202V
- Electronic Component
- 1
- Package
- 0603
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.03g
- Electronic Component
- 12kΩ
- Electronic Component
- 1
- Electronic Component
- BM0264567832
- 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.
ERJ3EKF1202V 精密厚膜贴片电阻器产品概述
ERJ3EKF1202V是松下推出的精密级厚膜贴片电阻器，针对小功率信号调理电路的精度与稳定性需求设计，采用0603小型化封装，广泛适配消费电子、工业控制等多领域场景。以下从核心属性、参数解析、应用场景等维度展开详细说明。
一、产品定位与核心属性
该型号属于松下厚膜电阻系列中的精密子系列，核心定位为：
- 适配对阻值精度、温宽稳定性要求较高的低功耗电路；
- 平衡“性能稳定性”与“成本控制”，替代部分高端薄膜电阻；
- 支持高密度PCB设计，兼容回流焊等自动化生产工艺。
二、关键电气参数解析
参数项 规格值 实际意义说明 电阻类型 厚膜电阻 陶瓷基片+厚膜浆料烧结而成，比碳膜稳定、比薄膜成本低 标称阻值 12kΩ（代码1202） 阻值代码“1202”=12×10²=12000Ω，满足多数精密分压/滤波需求 精度等级 ±1% 阻值偏差在12kΩ×1%=120Ω以内，无需额外校准即可实现稳定信号传输 额定功率 100mW（0.1W） 适配小信号放大、电源反馈等低功耗电路，避免功率过载风险 温度系数（TCR） ±100ppm/℃ 温度每变化1℃，阻值变化≤1.2Ω（12kΩ×100ppm），宽温下阻值漂移极小 工作温度范围 -55℃~+155℃ 覆盖工业级、汽车级严苛环境，远超普通民用电阻（一般-40℃~+85℃）三、物理封装与可靠性设计
1. 0603封装特性
- 尺寸：公制1.6mm×0.8mm×0.5mm，体积小巧，适配智能手机、PLC等高密度PCB；
- 焊接兼容性：支持回流焊、波峰焊（需适配工装），生产效率高。
2. 可靠性保障
- 厚膜工艺：陶瓷基片耐高温，浆料烧结后阻值一致性优于行业平均；
- 环境测试：通过松下“高温存储（155℃×1000h）”“温度循环（-55℃~+155℃×500次）”等测试，长期使用无明显漂移；
- 环保合规：符合RoHS、REACH标准，无铅无镉，适配绿色产品设计。
四、典型应用场景
该型号因精度稳定、温宽广、体积小，核心应用于以下场景：
- 消费电子：智能手机音频电路（分压滤波）、平板电脑电源管理模块（反馈电阻）；
- 工业控制：传感器信号调理（温度/压力传感器放大）、PLC输入输出模块；
- 汽车电子：车载辅助系统（倒车雷达信号处理）、车身控制模块（BCM）低功耗电路；
- 医疗设备：便携式血糖仪、血压计的信号放大/滤波电路（需稳定阻值保障测量精度）。
五、选型与使用注意事项
1. 功率降额要求
- 实际使用功率建议≤额定功率的80%（即80mW）；
- 环境温度＞100℃时，需进一步降额至60%（60mW），避免热失效。
2. 焊接规范
- 回流焊温度曲线：峰值温度240℃±5℃，时间≤10秒；
- 避免手工焊接时烙铁头直接接触电阻本体（易导致阻值漂移）。
3. 存储条件
- 未使用电阻需存储在“15℃35℃、湿度40%60%”环境，避免阳光直射、腐蚀性气体接触。
六、松下品牌优势
- 工艺成熟：厚膜电阻浆料配方迭代30+年，阻值一致性达±0.5%以内（实际生产管控）；
- 供应链稳定：全球5大生产基地布局，批量订单供货周期≤2周；
- 售后支持：提供选型指导、失效分析等技术服务，适配客户定制化需求。
综上，ERJ3EKF1202V凭借精密阻值、宽温稳定、高性价比的核心优势，成为小功率精密电路设计的主流选择，尤其适合对成本敏感但需工业级可靠性的场景。
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