WMSIC Electronic Components

ERJPA3J331V

ModelERJPA3J331V
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 ERJPA3J331V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
250mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJPA3J331V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.03g
Electronic Component
330Ω
Electronic Component
1
Electronic Component
BM0264570354
Operating Temperature
55℃~+155℃
Operating Voltage
150V
Electronic Component
±200ppm/℃
Resistor Type
Resistor

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

ERJPA3J331V 厚膜贴片电阻产品概述

ERJPA3J331V是松下(PANASONIC)推出的一款0603封装厚膜贴片电阻,针对电子电路中的基础阻抗控制需求设计,具备成本优势与稳定的性能表现,广泛应用于消费电子、小型工业设备等领域。

一、产品基本定位

该型号属于松下常规精度贴片电阻系列,核心功能为电路中的限流、分压、阻抗匹配,适配自动化表面贴装工艺(SMT),适合小型化、高密度PCB设计。其型号命名逻辑清晰:

  • ERJPA:松下厚膜贴片电阻系列标识;
  • 3:功率等级(对应250mW);
  • J:精度等级(±5%);
  • 331:阻值编码(33×10¹=330Ω);
  • V:封装与性能补充标识。

二、核心参数详细说明

1. 阻值与精度

  • 标称阻值:330Ω(符合E24系列阻值标准,适配常规电路阻抗匹配需求);
  • 精度等级:±5%(J档),满足非精密电路的误差要求(如电源滤波辅助、信号分压检测等场景)。

2. 功率与电压特性

  • 额定功率:250mW(0.25W),为0603封装下的常规功率等级,可支撑小电流电路的功率需求;
  • 最大工作电压:150V(需注意:实际使用需满足V²/R ≤ 额定功率,即150V下功率约68W,因此150V为最大耐压值,实际工作电压需结合功率限制,避免过压损坏)。

3. 温度系数(TCR)

  • 温度系数:±200ppm/℃,即温度每变化1℃,阻值变化量为±200×10⁻⁶×330Ω=±0.066Ω,可适应温度波动较大的应用环境(如户外设备、密闭机箱内的发热模块周边)。

4. 工作温度范围

  • 工作温度:-55℃至+155℃,覆盖工业级温度要求(-40℃~+85℃为常规工业级,该型号扩展至更严苛的温区),适配低温环境(如北方户外设备)与高温工况。

三、封装与工艺优势

1. 0603封装尺寸

  • 英制标识0603,对应公制尺寸1.6mm×0.8mm(长×宽),厚度约0.5mm,适合高密度PCB布局,满足智能穿戴、微型控制器等小型化设备的设计需求。

2. 厚膜工艺特点

  • 采用厚膜丝网印刷工艺:在陶瓷基板上印刷电阻浆料,经高温烧结成型,具备成本低、批量一致性高、长期稳定性好的优势;
  • 厚膜电阻的长期阻值漂移较小(常规老化后漂移率<0.5%),适合长期使用的电路场景(如家电控制板、工业传感器)。

四、典型应用场景

结合参数特性,该型号主要应用于以下领域:

  1. 消费电子:手机、平板、智能手表的电源辅助电路(分压检测、限流保护)、信号滤波电路;
  2. 小型家电:遥控器、加湿器、智能插座的控制板基础阻抗元件;
  3. 工业控制:PLC(可编程逻辑控制器)的I/O接口电路、小型传感器信号调理电路;
  4. 汽车电子:车载小功率模块(后视镜控制、氛围灯)的辅助电路(工作温度满足部分汽车工况);
  5. 通信设备:路由器、交换机的辅助电源电路、信号衰减电路。

五、可靠性与环保要求

  1. 可靠性保障:松下对该型号进行严格测试,包括:
    • 温度循环测试(-55℃~155℃,循环500次);
    • 老化测试(125℃下加载额定功率1000小时,阻值漂移<1%);
    • 湿度测试(85℃/85%RH,加载额定功率1000小时);
  2. 环保合规:符合RoHS 2.0(无铅、无镉等有害物质)、REACH标准,适配全球市场需求。

六、品牌与品质支撑

松下作为全球知名电子元器件制造商,ERJPA3J331V依托成熟生产体系:

  • 具备ISO 9001质量管理体系认证;
  • 部分批次符合IATF 16949汽车行业质量标准;
  • 供应链稳定,可满足批量采购需求,售后技术支持完善。

该型号凭借小体积、稳定性能与成本优势,成为电子电路设计中常规阻抗控制的优选元件之一。

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