WMSIC Electronic Components

ERJ2RKF4533X

ModelERJ2RKF4533X
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 ERJ2RKF4533X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF4533X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
453kΩ
Electronic Component
1
Electronic Component
BM0257349559
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.

ERJ2RKF4533X 厚膜贴片电阻产品概述

ERJ2RKF4533X是松下(PANASONIC)推出的一款常规精度厚膜贴片电阻,针对高密度PCB设计与中等精度需求场景优化,具备稳定的电气性能与宽温适应性,广泛应用于消费电子、工业控制等领域。

一、核心参数概览

该电阻的关键参数覆盖电气、机械与环境维度,清晰明确:

  • 阻值:453kΩ(阻值编码4533,对应453×10³Ω);
  • 精度:±1%(满足多数非超精密电路的阻值控制需求);
  • 功率额定值:100mW(0402封装典型功率规格);
  • 额定电压:50V(工作电压上限,需结合功率与阻值计算电流限制);
  • 温度系数(TCR):±100ppm/℃(阻值随温度变化的相对变化率);
  • 工作温度范围:-55℃~+155℃(覆盖工业级与部分高温场景);
  • 封装:0402(英制尺寸,公制对应1005,体积1.0mm×0.5mm×0.35mm);
  • 品牌:PANASONIC(松下)。

二、产品类型与工艺特点

ERJ2RKF4533X采用厚膜电阻工艺,是贴片电阻中应用最广泛的工艺之一,核心优势在于:

  1. 工艺稳定性:通过丝网印刷将钌基电阻浆料印制在氧化铝陶瓷基底上,经高温烧结形成致密电阻膜,再添加电极与保护层,确保批量生产一致性;
  2. 成本与性能平衡:相比薄膜电阻(精度更高但成本高),厚膜电阻在满足±1%精度的同时,成本更具竞争力,适合大规模应用;
  3. ERJ系列定位:属于松下常规贴片电阻系列,覆盖0402~1206主流封装,阻值范围广,是市场验证成熟的产品线。

三、电气性能详解

3.1 阻值精度与稳定性

±1%的精度可满足多数电路的阻值匹配需求(如信号分压、偏置电路、滤波网络)。常温(25℃)下,阻值偏差控制在453kΩ±4.53kΩ范围内,可避免因阻值偏差导致的电路性能波动。

3.2 功率与电压限制

  • 功率额定值:100mW是0402封装的典型功率,指25℃环境下长期稳定工作的最大功率;环境温度升高时需按降额曲线降低功率(如155℃时降额至约30mW);
  • 电压限制:50V为最大工作电压,实际使用需同时满足功率约束——50V时最大电流≈110μA,功率≈5.5mW(远低于100mW),因此电压是主要约束条件之一。

3.3 温度系数(TCR)

±100ppm/℃表示每变化1℃,阻值相对变化±100×10⁻⁶。以工作温度范围为例,-55℃到155℃温差210℃,阻值最大变化量≈9.51kΩ(相对变化约2.1%),可适应多数温度波动场景(如汽车发动机舱的高低温切换)。

四、封装与机械特性

0402封装是小型化贴片电阻的主流规格,具备以下特点:

  • 体积紧凑:尺寸仅1.0mm×0.5mm×0.35mm,可大幅提升PCB元件密度,适合智能手机、可穿戴设备等小型化产品;
  • 工艺兼容性:支持回流焊、激光焊等主流贴片工艺,焊接可靠性高;需注意0402封装对焊接精度要求较高,需采用适配贴片机与焊膏;
  • 机械强度:陶瓷基底抗冲击、抗弯曲性能良好,可承受常规运输与使用振动(符合IEC 60068-2-6振动测试标准)。

五、环境适应性与可靠性

ERJ2RKF4533X的环境适应性覆盖工业级与部分高温场景:

  • 宽温工作:-55℃~+155℃的温度范围,可满足工业控制设备(如PLC、传感器模块)在极端温度下的稳定工作;
  • 耐环境性能:通过温度湿度循环(-40℃~85℃/85%RH)、高温存储(155℃下1000小时)等测试,阻值变化率控制在±1%以内;
  • 环保合规:符合RoHS 2.0、REACH等欧盟标准,不含铅、镉等有害物质,适配全球市场需求。

六、典型应用场景

结合参数特点,该电阻的典型应用包括:

  1. 消费电子:智能手机音频电路、平板电源滤波网络、可穿戴设备传感器接口;
  2. 工业控制:PLC输入输出接口、温度传感器信号调理模块、小型电机驱动偏置电路;
  3. 汽车电子:车载显示屏背光控制、胎压监测系统信号分压电路(适配-40℃~85℃车载环境);
  4. 通信设备:小型基站射频偏置电路、路由器电源稳压电路。

七、品牌与品质保障

松下作为全球知名厂商,ERJ系列产品具备以下优势:

  • 批量一致性:自动化生产与严格质量控制,每批次阻值偏差、TCR等参数一致性高,减少电路调试成本;
  • 供货稳定:成熟产品线具备充足产能与稳定供货周期,适合量产需求;
  • 技术支持:提供完善datasheet与应用技术支持,帮助客户优化电路设计。

ERJ2RKF4533X凭借平衡的性能、紧凑的封装与可靠的品质,成为中等精度厚膜贴片电阻的优选方案,可满足多领域电路设计需求。

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