WMSIC Electronic Components

ROHM ESR10EZPJ131

ModelESR10EZPJ131
Package0805
BrandROHM
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
ROHM ESR10EZPJ131
Type
ROHM
Minimum package
5000 圆盘

Technical parameters

Power
400mW
Electronic Component
Electronic Component
Electronic Component
ROHM
Electronic Component
ESR10EZPJ131
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.03g
Electronic Component
130Ω
Electronic Component
1
Electronic Component
BM0264889525
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.

ESR10EZPJ131 厚膜贴片电阻产品概述

一、产品基本信息与品牌背景

ESR10EZPJ131是日本罗姆(ROHM)推出的厚膜贴片电阻,属于罗姆常规精度、中小功率被动元件系列。罗姆作为全球知名的半导体及被动元件制造商,其厚膜电阻以工艺成熟、可靠性高、成本优势显著著称,广泛应用于消费电子、工业控制、车载等多个领域。该型号针对中小功率电路设计,兼顾性能与性价比,是电子设计中常用的基础元件之一。

二、核心电气参数详解

ESR10EZPJ131的关键电气参数明确了其适用场景,核心参数及意义如下:

  1. 阻值与精度:标称阻值130Ω,精度±5%。此精度满足多数非精密电路(如电源分压、信号限流)的需求,无需额外匹配高精度元件,降低设计成本。
  2. 额定功率:400mW(0.4W)。作为0805封装的典型功率等级,可支撑中小功率电路的功率消耗,避免过载风险。
  3. 最大工作电压:150V。需注意该电压为绝对最大额定值,实际使用需结合功率计算电流(公式:(I \leq \sqrt{\frac{P_{额定}}{R}})),经计算最大允许电流约55mA,实际电流需控制在此范围内。
  4. 温度系数(TCR):±200ppm/℃。表示每变化1℃,阻值变化±200×10⁻⁶,在工作温度范围(-55~155℃)内,最大阻值变化量约3.4Ω,远小于±5%的精度范围(±6.5Ω),温度对阻值的影响可控。
  5. 工作温度范围:-55℃~+155℃。覆盖工业级低温(如户外设备冬季环境)和高温(如车载发动机舱附近)场景,可靠性符合恶劣环境需求。

三、物理特性与封装规格

  1. 封装类型:0805(英制),对应公制尺寸2.0mm×1.2mm。贴片式封装适合自动化贴装,体积小巧,可有效节省PCB布局空间,适配高密度电路设计。
  2. 工艺特点:采用厚膜工艺——在氧化铝陶瓷基底上印刷钌系电阻浆料,经高温烧结形成电阻层,再覆盖保护涂层。相比薄膜电阻,厚膜工艺成本更低、功率容量更大,适合中小功率应用;相比线绕电阻,体积更小、频率特性更好。
  3. 焊端设计:两端焊端采用无铅可焊性材料(符合RoHS环保标准),焊接兼容性强,可适配回流焊、波峰焊等主流焊接工艺。

四、环境适应性与可靠性

罗姆对该型号进行了严格的可靠性测试,确保在各种环境下稳定工作:

  • 温度循环:通过-55℃~155℃的多次温度循环测试,阻值漂移率控制在±1%以内,长期使用性能稳定;
  • 湿度耐受性:厚膜电阻的陶瓷基底和保护涂层对湿度敏感性低,可在湿度≤90%的环境下持续工作;
  • 机械强度:陶瓷基底的刚性较好,贴片封装抗振动、冲击能力(符合MIL-STD-202标准),适合移动设备(如智能手机、车载终端);
  • 长期稳定性:在额定条件下工作1000小时后,阻值变化率≤±0.5%,满足电子设备的寿命要求。

五、典型应用场景

ESR10EZPJ131因参数平衡、成本适中,广泛应用于以下场景:

  1. 消费电子:智能手机、平板电脑的电源滤波电路、信号分压电路;
  2. 工业控制:PLC(可编程逻辑控制器)的输入/输出接口限流、传感器信号调理;
  3. 车载电子:车载显示屏背光控制、音响辅助电路(适配车载温度范围);
  4. 家电产品:电视机、空调的控制电路、电源分压;
  5. 通信设备:小型基站、路由器的信号衰减电路、电源模块限流。

六、选型与使用注意事项

为确保产品性能与寿命,使用时需注意以下要点:

  1. 功率降额:实际工作功率建议不超过额定功率的80%(即320mW),避免过热导致阻值漂移;
  2. 焊接规范:回流焊峰值温度控制在230~250℃,焊接时间不超过10秒;波峰焊温度≤260℃,时间不超过5秒,防止焊端氧化或电阻损坏;
  3. 存储条件:未开封产品存储在湿度≤60%、温度0~40℃的环境,开封后建议12个月内使用完毕;
  4. 精度匹配:若电路需±1%或更高精度,需选择罗姆的精密厚膜电阻系列(如ESR系列的高精度子型号),此型号仅适配±5%精度需求。

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