WMSIC Electronic Components

ERJ2RKF5113X

ModelERJ2RKF5113X
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 ERJ2RKF5113X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF5113X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
511kΩ
Electronic Component
1
Electronic Component
BM0264224043
Operating Temperature
55℃~+155℃
Operating Voltage
50V
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.

ERJ2RKF5113X 厚膜贴片电阻产品概述

ERJ2RKF5113X是松下(PANASONIC)推出的一款小功率高精度厚膜贴片电阻,针对高密度小型化电路设计,核心参数适配多类电子设备的基础无源需求。以下从核心身份、参数特性、工艺封装、应用场景等维度展开具体概述。

一、产品核心身份与定位

ERJ2RKF5113X属于松下ERJ系列厚膜贴片电阻,封装为0402(英制尺寸0.04in×0.02in,公制1005),是一款面向消费电子、小型工业控制等领域的基础电阻器件。其核心定位是小体积+高精度+宽温适应性,兼顾成本与性能,适合对空间敏感且需稳定阻值的电路场景(如分压网络、信号反馈回路)。

二、关键参数深度解析

1. 阻值与精度

标称阻值511kΩ(即511×10³Ω),精度等级±1%——这一精度高于常规±5%通用电阻,可避免因阻值偏差导致的信号失真或控制精度下降,适配运算放大器反馈、电压分压等对误差敏感的电路。

2. 功率与电压约束

  • 额定功率100mW:为常温(25℃)下的最大耗散功率,随温度升高功率降额(如125℃时功率约60mW);
  • 最大工作电压50V:需同时满足“电压≤50V”和“功率≤100mW”,实际应用中需根据电路电压/电流计算耗散功率,避免过压/过功率损坏。

3. 温度系数(TCR)

±100ppm/℃——表示温度每变化1℃,阻值变化±0.01%。例如,温度从25℃升至125℃(变化100℃),阻值变化约±1%,与精度等级匹配,保证宽温范围内性能稳定。

4. 工作温度范围

-55℃+155℃——覆盖工业级(-40℃85℃)、汽车级(-40℃125℃)甚至部分高温场景(如靠近热源的电路),环境适应性优于常规商业级(0℃70℃)电阻。

三、封装与厚膜工艺特性

1. 0402封装优势

体积仅1.0mm×0.5mm,是小型化贴片电阻的主流封装之一,可显著降低PCB布局空间,适配智能手机、可穿戴设备等对尺寸要求苛刻的产品。其焊接兼容性强,支持无铅回流焊工艺,符合环保要求。

2. 厚膜工艺特点

采用丝网印刷钌系电阻浆料在氧化铝陶瓷基底上烧结而成:

  • 相对于薄膜电阻(成本更高),厚膜电阻兼顾成本与稳定性;
  • 相对于线绕电阻(体积大),更适合贴片封装;
  • 松下在浆料配方与烧结温度控制上的技术积累,保证阻值一致性(批量产品阻值偏差控制在±0.5%以内)与长期可靠性。

四、典型应用场景

结合参数与工艺特性,ERJ2RKF5113X适用于以下场景:

  1. 消费电子:智能手机/平板的电源管理电路(分压反馈)、音频解码电路(偏置电阻)、摄像头模块(信号调理);
  2. 小型工业控制:传感器信号调理(应变片、温度传感器放大回路)、小型PLC输入输出接口;
  3. 可穿戴设备:智能手表/手环的低功耗电路(心率传感器偏置、电池管理);
  4. 医疗仪器:血糖仪、血压计的信号处理电路(精度要求高);
  5. 汽车电子辅助:车载显示屏背光控制、车内传感器信号调理(工作温度覆盖汽车环境)。

五、可靠性与环境适应性

  1. 温度稳定性:TCR±100ppm/℃保证宽温范围内阻值漂移小,避免电路性能波动;
  2. 耐湿性:陶瓷基底与厚膜层密封性较好,结合松下防潮处理,可抵抗潮湿环境(如浴室小型电器、户外便携设备);
  3. 机械可靠性:0402封装焊接强度符合行业标准,可承受日常振动/跌落(如移动设备、工业振动环境);
  4. 长期稳定性:经过1000小时老化测试,阻值漂移≤0.5%,满足长期可靠运行需求。

六、品牌与品质背书

松下作为全球电子元器件龙头,ERJ系列电阻通过RoHS(无铅)、REACH等环保认证,部分型号符合IATF16949汽车电子标准;生产工艺严格遵循ISO9001质量管理体系,产品一致性好,被苹果、华为、三星等知名品牌广泛采用,品质得到市场验证。

ERJ2RKF5113X凭借小体积、高精度、宽温适应性等特点,成为高密度电路设计中不可替代的基础无源器件,适配多领域电子设备的性能需求。

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