WMSIC Electronic Components

ERJ3EKF52R3V

ModelERJ3EKF52R3V
Package0603
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 ERJ3EKF52R3V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ3EKF52R3V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
52.3Ω
Electronic Component
1
Electronic Component
BM0257349714
Operating Temperature
55℃~+155℃
Operating Voltage
75V
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.

ERJ3EKF52R3V 厚膜贴片电阻产品概述

一、产品核心身份与定位

ERJ3EKF52R3V是松下(PANASONIC)推出的0603封装通用厚膜贴片电阻,针对高密度PCB设计、宽温环境应用优化,兼顾精度、可靠性与成本平衡,广泛适配工业控制、汽车电子、便携设备等领域的常规电路需求。

二、关键电气与物理参数解析

  1. 阻值与精度
    标称阻值52.3Ω,精度±1%。该精度等级可满足多数模拟电路(如分压网络、运算放大器反馈回路)对阻值一致性的要求,避免因偏差导致电路性能波动(如信号放大倍数不稳定)。

  2. 功率与电压限制
    额定功率100mW(0.1W),最大工作电压75V。需注意:实际应用需同时满足功率约束(公式(P=U^2/R))——当施加75V电压时,功耗约106mW(略超额定值),因此需预留10%-20%功率余量,避免长期过热导致阻值漂移。

  3. 温度特性
    温度系数±100ppm/℃,即温度每变化1℃,阻值变化±0.00523Ω。该参数符合厚膜电阻常规水平,适配-55℃~+155℃宽温环境,满足工业设备、汽车舱内等极端温度场景。

  4. 工作温度范围
    覆盖-55℃(低温存储/工作)至+155℃(高温工作),可应对户外工业设备、汽车发动机舱等严苛温度波动。

三、封装与结构特性

  1. 小型化封装
    采用0603封装(英制命名,对应公制1608,尺寸1.6mm×0.8mm),属于主流小型贴片封装,适合高密度PCB布局(如智能手机、物联网模块),有效节省电路板空间。

  2. 厚膜工艺结构
    以陶瓷基底为载体,通过丝网印刷钌基氧化物电阻浆料形成电阻层,经高温烧结、电极制备完成制造。该工艺兼具成本优势与可靠性,长期使用中阻值漂移极小。

  3. 贴装兼容性
    符合IPC-A-610标准,适配回流焊、波峰焊等主流焊接方式,焊接后电极与PCB结合力稳定,抗机械应力能力满足汽车电子振动测试要求。

四、可靠性与环境适应性

  1. 长期稳定性
    经1000小时高温存储测试后,阻值变化率通常小于0.5%,可满足设备5-10年长期运行需求;厚膜层与陶瓷基底结合牢固,无分层风险。

  2. 抗环境干扰
    抗湿性符合J-STD-020标准,可在85%RH潮湿环境下稳定工作;抗盐雾、抗振动性能满足汽车电子GMW3172标准,适合严苛应用场景。

  3. 环保合规
    符合RoHS 2.0、REACH等国际环保法规,无铅无镉,可直接用于欧盟、中国等市场的产品设计。

五、典型应用场景

  1. 工业控制:PLC模拟量接口、传感器信号调理(如温度传感器分压)、小型电机驱动限流。
  2. 汽车电子:仪表盘背光调节、胎压监测(TPMS)信号滤波、车身控制单元(BCM)辅助电路。
  3. 便携设备:智能手机充电保护(过流检测)、智能手表传感器供电限流、蓝牙耳机信号匹配。
  4. 通信设备:小型基站射频滤波、路由器电源分压、物联网网关传感器接口。

六、品牌与品质保障

ERJ3EKF52R3V由松下标准化生产线制造,每批次通过全参数测试(阻值、精度、温度系数等),符合松下“QCD”(品质、成本、交付)管控体系。可选配UL、VDE安全认证(依批次),可直接用于医疗、汽车等高端市场。

该型号凭借小尺寸、宽温适应性与稳定性能,成为中低端电子设备通用电阻的优选方案。

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