WMSIC Electronic Components

ERJ2RKF1203X

ModelERJ2RKF1203X
Package0402
BrandPANASONIC
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PANASONIC ERJ2RKF1203X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF1203X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
120kΩ
Electronic Component
1
Electronic Component
BM0257349557
Operating Temperature
55℃~+155℃
Operating Voltage
100V
Electronic Component
±100ppm/℃
Resistor Type
Resistor

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

ERJ2RKF1203X 厚膜贴片电阻产品概述

一、产品核心定位

ERJ2RKF1203X是松下(PANASONIC)推出的0402封装厚膜贴片电阻,主打小型化、高精度、低功耗三大核心特性,适配对空间紧凑性、阻抗精准度要求较高的电子电路设计,属于通用型工业级电阻范畴,可覆盖消费电子、工业控制等多领域应用。

二、关键电气性能参数详解

该电阻的核心电气参数完全满足主流电路设计需求,具体如下:

  1. 阻值与精度:额定阻值120kΩ,精度±1%,型号中“1203”为贴片阻值代码(前三位120为有效数字,第四位3为倍率10³),可精准匹配信号调理、阻抗匹配等场景,避免因阻值偏差导致的信号失真或功率损耗异常;
  2. 功率与工作电压:额定功率100mW,最大工作电压100V。结合阻值计算,100V电压下功率约83.3mW(100V²/120kΩ),处于额定功率范围内,可稳定运行于低功耗电路(如MCU外围、传感器信号放大);
  3. 温度系数:±100ppm/℃,即温度每变化1℃,阻值变化±12Ω(120kΩ×100e-6),兼顾成本与温度稳定性,适合对温度漂移要求不极端苛刻的场景(如室内工业设备、车载常温模块)。

三、物理封装与工艺特性

  1. 封装尺寸:采用0402英制封装(公制1005),尺寸约1.0mm×0.5mm×0.4mm,体积仅为常规0603封装的1/4左右,可显著提升PCB设计密度,适配智能手机、可穿戴设备等小型化终端;
  2. 厚膜工艺优势:采用厚膜印刷工艺制备电阻膜层,膜层附着力强、抗硫化性能优于部分薄膜电阻,同时成本可控,适合大规模量产应用;
  3. 端电极设计:采用松下专利端电极结构,可有效降低焊接应力,提升焊接可靠性,减少因热胀冷缩导致的开路风险。

四、环境适应性表现

该电阻的环境耐受能力符合工业级标准,具体表现为:

  • 工作温度范围:-55℃~+155℃,覆盖低温(如户外工业设备)与高温(如汽车发动机舱附近、工业加热模块)场景,无需额外降额设计;
  • 耐候性:具备良好的耐湿度(符合JIS C 5102标准)、耐振动(振动频率10~2000Hz,加速度20g)性能,可稳定运行于复杂工况;
  • 环保合规:采用无铅工艺,符合RoHS、REACH等全球环保法规,适配绿色产品设计需求。

五、品牌与可靠性背书

松下作为全球顶级电子元器件厂商,对该电阻实施严格的质量管控:

  1. 批次一致性:每批次电阻均经过全参数测试,阻值偏差、温度系数等指标一致性达99.5%以上,可避免因元件差异导致的电路性能波动;
  2. 长期可靠性:通过加速寿命测试(155℃下1000小时),阻值变化率≤0.5%,满足工业设备10年以上使用寿命需求;
  3. 供应链稳定:松下全球供应链覆盖广泛,可保障量产供应,避免项目因元件缺货延期。

六、典型应用领域

ERJ2RKF1203X的特性使其适配以下场景:

  1. 消费电子:智能手机、平板电脑的电源管理电路(如DC-DC转换滤波)、音频信号调理;
  2. 工业控制:小型PLC、传感器模块(如温度、压力传感器)的信号放大与滤波;
  3. 可穿戴设备:智能手环、手表的低功耗心率监测电路、电源管理;
  4. 汽车电子:车载胎压监测(TPMS)、环境光传感器的外围电路(适配-40℃~+85℃车载环境)。

该电阻凭借松下的工艺优势与稳定性能,成为小型化电子设备中高精度阻抗匹配的可靠选择。

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