WMSIC Electronic Components

ERJ3EKF2003V

ModelERJ3EKF2003V
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 ERJ3EKF2003V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ3EKF2003V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
200kΩ
Electronic Component
1
Electronic Component
BM0264567787
Operating Temperature
55℃~+155℃
Operating Voltage
150V
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.

ERJ3EKF2003V 厚膜贴片电阻产品概述

一、核心参数总览

ERJ3EKF2003V是松下(PANASONIC)推出的厚膜贴片电阻,核心参数精准匹配多场景应用需求,具体如下:

  • 标称阻值:200kΩ(固定阻值,无漂移设计)
  • 精度等级:±1%(工业级常规精度,满足多数控制需求)
  • 额定功率:100mW(小功率信号电路适配)
  • 最大工作电压:150V(中等电压场景兼容,无需额外降额)
  • 温度系数:±100ppm/℃(宽温下阻值稳定性可控)
  • 工作温度范围:-55℃至+155℃(极端环境适应性)
  • 封装规格:0603(英制尺寸,公制1608,小型化设计)
  • 环保认证:符合RoHS、REACH标准(无铅无镉)

二、关键性能特性

1. 精度与稳定性平衡

±1%的精度避免了阻值偏差对电路参数的影响,例如在传感器信号调理中,可确保微弱模拟信号的分压/限流精准度;厚膜工艺赋予其长期稳定性——高温老化后阻值变化率≤±0.5%,减少了设备维护成本。

2. 宽温场景适应性

-55℃至+155℃的工作范围覆盖了汽车发动机舱(高温)、户外通信基站(低温)等极端场景;±100ppm/℃的温度系数意味着在125℃时,阻值变化仅约±0.7%,远低于多数应用的误差容忍度。

3. 功率与电压适配性

100mW额定功率匹配小信号电路(如射频前端、传感器反馈),150V最大工作电压兼容中等电压的分压、限流设计,无需额外降额即可满足常规应用需求。

4. 小型化贴装兼容性

0603封装(1.6mm×0.8mm×0.45mm)支持自动化回流焊/波峰焊,适配高密度PCB设计,节省电路板空间,适合智能手机、可穿戴设备等便携式产品。

三、典型应用场景

1. 工业控制与传感器电路

在温度、压力传感器的信号调理中,用于精准分压/限流,避免因阻值偏差导致的测量误差;宽温范围适配工业现场的温度波动(如车间-20℃至60℃环境)。

2. 汽车电子辅助系统

适用于汽车仪表盘指示灯驱动、车身控制模块(BCM)反馈回路;-55℃至+155℃的温度范围可应对发动机舱附近的高温,满足汽车级IATF16949认证要求。

3. 消费电子与便携式设备

0603封装适配智能手机、平板电脑的高密度PCB,用于电源管理模块的分压检测、音频电路的信号衰减;100mW功率匹配小电流信号处理需求。

4. 通信设备射频前端

在基站、路由器的射频小信号电路中,用于阻抗匹配、信号衰减;厚膜工艺的稳定阻值有助于提升射频信号传输质量,减少信号失真。

四、封装与工艺优势

1. 0603封装细节

标准英制0603封装(公制1608),尺寸紧凑且一致性高,支持自动化生产,贴装效率是传统插件电阻的3倍以上,降低了生产制造成本。

2. 厚膜工艺特点

采用丝网印刷+高温烧结工艺:将电阻浆料印刷在氧化铝陶瓷基底上,经1000℃以上烧结形成致密电阻层,具有阻值范围宽、抗脉冲能力强、成本适中的特点;相比薄膜电阻,在200kΩ大阻值下仍保持性能一致性。

3. 松下工艺管控

松下通过严格的浆料配方(自主研发低噪声电阻浆料)、烧结温度控制,确保每批次产品的阻值精度、温度系数偏差≤±0.2%;出厂前经过100%阻值测试、高温老化(85℃/1000h),符合工业级可靠性要求。

五、可靠性与质量保障

1. 品牌认证背书

产品通过ISO9001、IATF16949质量体系认证,满足汽车电子、工业控制的严苛可靠性要求;松下的全球供应链体系确保供货稳定性。

2. 长期稳定性测试

  • 高温高湿测试(85℃/85%RH,1000h):阻值变化率≤±0.5%;
  • 脉冲负载测试(1.2倍额定功率,10^6次脉冲):性能无衰减;
  • 低温存储测试(-55℃,1000h):阻值偏差≤±0.3%。

3. 环保合规性

符合欧盟RoHS指令(无铅、无镉、无汞)、REACH法规,适配全球绿色电子产品设计,避免出口限制风险。

ERJ3EKF2003V凭借平衡的精度、宽温适应性与小型化设计,成为工业控制、汽车电子、消费电子等领域小功率电路的优选厚膜贴片电阻,可满足不同场景的可靠性与成本需求。

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