WMSIC Electronic Components

RALEC RAT022202FTH

ModelRAT022202FTH
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RALEC RAT022202FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RAT022202FTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
22kΩ
Electronic Component
10
Electronic Component
BM0265139391
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RAT022202FTH厚膜贴片电阻产品概述

一、产品核心定位

这款RALEC(旺诠)RAT022202FTH是一款0402封装厚膜贴片电阻,主打「小体积、高精度、宽温稳定」,针对高密度电路设计场景优化,属于旺诠常规系列中的高性价比型号,广泛适配消费电子、工业控制、汽车电子等领域的低功耗电路需求。

二、关键参数与性能解析

先明确核心参数的实际意义,避免干巴巴罗列:

  • 阻值与精度:22kΩ(千欧),精度±1%——批量使用时阻值偏差不超过220Ω,能满足信号分压、限流的一致性要求,比±5%精度电阻更适合精准控制场景;
  • 功率与电压:额定功率62.5mW,最大工作电压50V——适配低功耗电路(如微控制器I/O口上拉/下拉),50V电压上限远高于日常3.3V/5V电路,安全余量充足;
  • 温度稳定性:±100ppm/℃——温度每变化100℃,阻值变化约0.01%(-55℃到+155℃温差210℃,阻值变化仅0.021%),极端温度下仍稳定;
  • 工作温域:-55℃~+155℃——覆盖汽车电子(发动机舱高温、冬季低温)、工业户外设备(温差大)等严苛场景。

三、封装与工艺优势

1. 0402封装的体积优势

0402封装尺寸仅约0.4mm×0.2mm(长×宽),比0603封装小近一半,能大幅减少PCB占用面积,特别适合智能手机、可穿戴设备(如智能手环)等追求小型化的产品——内部空间紧凑时,小封装电阻让电路布局更灵活。

2. 厚膜工艺的性价比

采用厚膜丝网印刷工艺制造:相比薄膜电阻(精度高但成本高),厚膜电阻成本更可控;相比线绕电阻(功率大但体积大、不适合贴片),集成度更高。旺诠作为成熟厂商,工艺稳定性强,批量产品参数一致性好。

四、典型应用场景

结合参数和封装,这款电阻的常见用武之地包括:

  • 消费电子终端:智能手机摄像头信号调理电路、平板电脑触摸传感器接口(小封装适配窄边框);
  • 可穿戴设备:智能手表心率传感器分压电阻、运动手环加速度计限流电路(宽温适应佩戴体温变化);
  • 工业控制模块:小型PLC I/O口上拉电阻、温度传感器信号放大电路(±1%精度满足控制精度);
  • 汽车电子辅助电路:车载仪表盘背光调节电阻、胎压监测模块信号滤波电阻(宽温符合车载标准);
  • 通信终端:无线路由器射频前端匹配电阻、小型基站电源滤波电路(高密度布局需求)。

五、可靠性与环境适配性

旺诠对这款电阻的可靠性设计做了针对性优化:

  • 抗机械应力:通过振动(10~2000Hz,10g加速度)、冲击(1000g,0.1ms)测试,应对运输/使用中的机械振动;
  • 环保合规:符合RoHS 2.0、REACH标准,无铅封装适配全球市场;
  • 长期稳定性:1000小时老化后阻值漂移小于0.1%,适合长期可靠运行的设备。

总结

RALEC旺诠RAT022202FTH是一款「小而精」的厚膜贴片电阻:0402封装满足小型化,±1%精度满足精准度,宽温范围适配严苛环境,62.5mW功率覆盖低功耗场景——无论是消费电子量产还是工业/汽车定制化需求,都能找到应用空间,是旺诠系列中性价比突出的常规型号。

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