WMSIC Electronic Components

ROHM ESR03EZPF2202

ModelESR03EZPF2202
Package0603
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 ESR03EZPF2202
Type
ROHM
Minimum package
5000 圆盘

Technical parameters

Power
250mW
Electronic Component
Electronic Component
Electronic Component
ROHM
Electronic Component
ESR03EZPF2202
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.018g
Electronic Component
22kΩ
Electronic Component
1
Electronic Component
BM0264889523
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.

ROHM ESR03EZPF2202 厚膜贴片电阻产品概述

ROHM(罗姆)ESR03EZPF2202是一款针对小型化电子设计优化的厚膜贴片电阻,采用0603(公制1608)封装,以平衡精度、功率密度与环境适应性为核心设计,广泛应用于消费电子、工业控制、汽车电子等领域。以下从产品身份、性能参数、设计优势、应用场景等维度展开详细概述。

一、产品基础身份与封装规格

  1. 型号解析:ESR03EZPF2202中,“ESR”为罗姆厚膜贴片电阻系列代号;“03”对应英制封装尺寸0603(公制1608);“EZPF”标识精度等级(±1%)与功率规格(250mW);“2202”为阻值编码(前两位22、后两位02,即22×10²=22kΩ)。
  2. 封装细节:0603封装尺寸为1.6mm(长)×0.8mm(宽)×0.4mm(厚),符合表面贴装技术(SMT)标准,可兼容主流贴片机生产,适配高密度PCB布局需求,有效缩小终端产品体积。
  3. 环保合规:采用无铅(Pb-free)封装工艺,符合RoHS 2.0、REACH等环保指令要求,满足全球市场准入标准。

二、核心电气性能参数解析

这款电阻的电气参数覆盖了多数实用场景的核心需求,关键参数如下:

  1. 阻值与精度:标称阻值22kΩ,精度±1%,满足电路匹配、分压/限流等场景对阻值一致性的要求(如信号调理电路中避免因阻值偏差导致的信号失真)。
  2. 功率与电压能力:额定功率250mW(0.25W),是0603封装中较高的功率密度等级;最大工作电压150V(需注意:额定功率下的工作电压为√(P×R)≈74V,150V为短期过压耐受极限),适配中等电压的信号/电源电路。
  3. 温度特性:温度系数(TCR)±100ppm/℃,即温度每变化1℃,阻值变化±0.01%;工作温度范围-55℃~+155℃,覆盖工业级宽温需求(如车载环境的高温工况、户外设备的低温场景)。

三、设计特性与应用优势

ESR03EZPF2202的设计针对小型化与可靠性做了优化,核心优势包括:

  1. 小型化高密度:0603封装体积仅为传统直插电阻的1/10左右,可在有限PCB空间内集成更多元器件,适合智能手机、智能穿戴等便携式设备。
  2. 厚膜工艺可靠性:厚膜电阻采用丝网印刷+烧结工艺,相比薄膜电阻抗浪涌能力更强(可耐受短时间过流冲击),长期使用阻值漂移小(罗姆工艺下,1000小时老化后阻值变化≤0.5%)。
  3. 宽温稳定性:±100ppm/℃的TCR与-55~155℃的工作范围,满足汽车电子(如车载中控)、工业传感器(如温度传感器信号调理)等对温度敏感的场景。
  4. 成本与性能平衡:±1%精度、250mW功率的组合,在同类0603封装电阻中性价比突出,适合量产型电子设计。

四、典型应用场景梳理

基于性能特点,ESR03EZPF2202的常见应用场景包括:

  1. 消费电子:智能手机/耳机的音频信号调理(分压、滤波)、智能手表的电源管理模块(限流);
  2. 工业控制:小型PLC的输入/输出接口电路、传感器模块的信号放大匹配;
  3. 汽车电子:车载信息娱乐系统的背光控制电路、车身控制器的辅助信号电路(宽温适应车载环境);
  4. 通信设备:小型基站的射频信号滤波、路由器的电源分压电路。

五、可靠性与环境适应性说明

罗姆对该电阻的可靠性测试符合JEDEC等行业标准,关键可靠性指标包括:

  • 耐湿测试(85℃/85%RH,1000小时):阻值变化≤1%,外观无异常;
  • 温度循环测试(-55℃~155℃,1000次循环):阻值变化≤0.5%;
  • 耐焊接热测试(260℃,10秒):封装无开裂,阻值稳定。

这些测试确保了产品在复杂工况下的长期可靠性,适合对稳定性要求较高的终端产品。

总结

ROHM ESR03EZPF2202是一款定位清晰的厚膜贴片电阻,以0603小型化封装为核心,兼顾精度(±1%)、功率(250mW)与宽温适应性(-55~155℃),在消费电子、工业控制、汽车电子等领域具有广泛的应用价值。其厚膜工艺的可靠性与环保合规性,使其成为量产型电子设计中平衡性能与成本的优选器件之一。

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