WMSIC Electronic Components

RALEC RAT022002FTH

ModelRAT022002FTH
Package0402
BrandRALEC
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
RALEC RAT022002FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RAT022002FTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
20kΩ
Electronic Component
50
Electronic Component
BM0265577702
Operating Temperature
55℃~+155℃
Operating Voltage
50V
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.

RALEC旺诠RAT022002FTH厚膜贴片电阻产品概述

RALEC(旺诠)作为全球被动元件领域的资深制造商,推出的RAT022002FTH是一款专为高密度电路设计的0402封装厚膜贴片电阻,兼具高性价比与稳定性能,广泛适配消费电子、工业控制、汽车电子等多领域的电路需求。

一、产品基本定位

该产品属于精密厚膜贴片电阻,核心定位为满足中小功率电路的信号调节、分压、偏置等功能。针对0402小封装的尺寸限制优化了电气性能,平衡了精度、功率与成本,适合自动化贴片生产,是批量电子设备的理想选择。

二、核心电气参数详解

RAT022002FTH的电气参数精准匹配0402封装的应用场景,关键参数如下:

  1. 阻值与精度:标称阻值20kΩ,精度±1%(工业级精密电阻范畴),实际阻值范围19.8kΩ~20.2kΩ,可满足多数电路对阻值匹配的严格要求;
  2. 额定功率:62.5mW(25℃环境下连续工作功率),符合0402封装典型功率等级,高温环境需降额使用(如125℃时功率降至额定值50%);
  3. 最大工作电压:50V,是电阻两端允许施加的最高直流/交流电压,超压可能导致击穿或性能下降;
  4. 温度系数(TCR):±100ppm/℃,即温度每变1℃,阻值变化±2Ω(20kΩ×100×10⁻⁶),温漂可控,适配宽温场景;
  5. 工作温度范围:-55℃+155℃,覆盖工业级(-40℃+85℃)与汽车级(-40℃~+125℃)核心温度区间,适应极端环境。

三、封装与物理特性

  1. 封装规格:采用行业标准0402封装(英制命名,对应公制1005),尺寸为长1.0mm±0.2mm、宽0.5mm±0.2mm、厚度0.4mm±0.1mm,体积小巧,适配高密度PCB布局;
  2. 厚膜电阻结构:以氧化铝陶瓷为基底,通过丝网印刷钌系厚膜电阻浆料形成电阻层,表面覆盖玻璃釉保护层,兼具成本优势与长期稳定性;
  3. 焊接兼容性:支持回流焊、波峰焊等自动化贴片工艺,电极采用镍/锡镀层,焊接附着力强,焊点可靠性高,适合大规模生产。

四、环境适应性表现

除宽工作温度范围外,RAT022002FTH的环境适应性还体现在:

  1. 湿度耐受性:可在相对湿度95%RH(40℃)环境下长期工作,厚膜保护层有效隔绝水汽侵蚀;
  2. 抗机械应力:0402封装陶瓷基底刚性适中,可承受PCB板轻微变形,适配便携设备振动场景;
  3. 长期稳定性:经1000小时125℃老化测试,阻值漂移通常小于0.5%,满足产品生命周期性能要求。

五、典型应用场景

RAT022002FTH的参数特性使其适配以下场景:

  1. 消费电子:手机/平板电源反馈电路、信号分压网络、背光调节电路;
  2. 工业控制:PLC模拟量输入接口、传感器信号调理电路、小型电机驱动限流电阻;
  3. 汽车电子:车载显示屏亮度调节、车身控制器温度检测、胎压监测信号滤波;
  4. 通信设备:路由器/交换机偏置电路、滤波网络、以太网接口阻抗匹配;
  5. 小型家电:智能插座电压检测、遥控器按键扫描、加湿器湿度控制模块。

六、品牌与可靠性优势

RALEC(旺诠)拥有30余年被动元件制造经验,RAT022002FTH具备以下优势:

  1. 认证资质:通过ISO9001、IATF16949汽车行业认证,符合RoHS环保标准;
  2. 一致性:批量生产阻值一致性好,减少电路调试成本;
  3. 供应稳定性:全球生产布局(台湾、大陆、东南亚)确保稳定供货,适配长期量产需求。

综上,RAT022002FTH是一款高性价比的0402封装厚膜精密电阻,平衡了精度、功率与环境适应性,是多领域电子设备的可靠选择。

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