WMSIC Electronic Components

ROHM ESR10EZPJ242

ModelESR10EZPJ242
Package805
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 ESR10EZPJ242
Type
ROHM
Minimum package
5000 圆盘

Technical parameters

Power
400mW
Electronic Component
Electronic Component
Electronic Component
ROHM
Electronic Component
ESR10EZPJ242
Electronic Component
1
Package
805
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.027g
Electronic Component
2.4kΩ
Electronic Component
1
Electronic Component
BM0058429576
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.

ROHM ESR10EZPJ242 厚膜贴片电阻产品概述

一、产品核心身份与定位

ESR10EZPJ242是ROHM(罗姆) 推出的通用型厚膜贴片电阻,型号命名遵循行业标准逻辑:

  • “ESR”为罗姆厚膜电阻系列标识,“10”对应功率等级(400mW),“E”代表封装/精度特征,“ZP”为工艺代码,“J”为精度等级(±5%),“242”为阻值编码(24×10²=2.4kΩ);
  • 采用0805标准贴片封装(英制0.08×0.05英寸,公制2.0×1.25mm),兼具小体积、高可靠性与成本优势,广泛适配工业、消费电子等多领域电路设计需求。

二、关键电气参数解析

该电阻的核心参数明确支撑其应用场景,具体解析如下:

  1. 阻值与精度:标称阻值2.4kΩ,精度±5%——符合商用级电阻常规精度要求,可满足多数信号调理、分压电路的阻值一致性需求,无需额外高精度筛选;
  2. 功率额定值:400mW(0.4W)——0805封装下的典型功率等级,兼顾功率密度与散热能力,适合中小功率电路的限流、负载匹配;
  3. 最大工作电压:150V——远高于同类0805封装电阻的常规电压上限(通常100V),提升了高压场景下的安全性,可用于部分电源辅助电路;
  4. 温度系数(TCR):±200ppm/℃——阻值随温度变化的速率为每摄氏度±0.02%,以2.4kΩ为例,100℃温度变化范围内阻值偏差仅±0.48Ω,满足宽温环境下的基本精度要求;
  5. 工作温度范围:-55℃+155℃——覆盖工业级宽温标准(通常-40℃+125℃)并向上延伸至155℃,可适配高温环境(如汽车发动机舱周边、工业烤箱内电路)。

三、封装与工艺特性

  1. 0805贴片封装:采用表面贴装工艺(SMT),无需插件孔,大幅节省PCB布局空间,适合高密度集成电路;封装尺寸标准化,与主流贴装设备兼容,生产效率高;
  2. 厚膜工艺优势:基于陶瓷基片印刷电阻浆料制成,相比薄膜电阻成本更低,且具有更好的抗冲击、抗振动性能,长期使用阻值漂移小;同时,厚膜工艺的功率承载能力优于同封装薄膜电阻,适配400mW功率需求。

四、典型应用场景

ESR10EZPJ242的参数特性使其适配以下场景:

  • 工业控制电路:PLC输入输出模块的信号分压、传感器信号调理电路(宽温、高电压耐受);
  • 消费电子:智能手机、平板电脑的音频电路分压、电源模块辅助限流(小体积、低成本);
  • 汽车电子(辅助电路):车载中控系统的低压信号电路(-55℃~+155℃宽温);
  • 电源设计:开关电源的反馈分压网络、LED驱动电路的限流电阻(400mW功率满足小功率需求)。

五、可靠性与选型要点

  1. 品牌与品质保障:ROHM作为日系半导体大厂,其厚膜电阻通过严格的可靠性测试(温度循环、湿度老化、振动测试等),批量一致性好,减少电路调试风险;
  2. 选型注意事项:
    • 功率降额:实际应用功率建议不超过额定值的80%(即320mW),避免过热导致阻值漂移或失效;
    • 电压限制:电路中最大瞬时电压不得超过150V,防止击穿;
    • 温度补偿:若应用场景对精度要求高于±5%,需结合温度系数(±200ppm/℃)做温度补偿设计;
    • 封装匹配:确认PCB封装为0805标准尺寸,贴装工艺参数(回流焊峰值温度≤260℃)符合罗姆 datasheet 要求。

综上,ESR10EZPJ242是一款性价比突出的通用厚膜贴片电阻,其宽温、高电压、400mW功率的特性,使其成为工业与消费电子领域的可靠选型。

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