WMSIC Electronic Components

RALEC RTT021801FTH

ModelRTT021801FTH
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 RTT021801FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT021801FTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
1.8kΩ
Electronic Component
10
Electronic Component
BM0265116068
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 RTT021801FTH 厚膜贴片电阻产品概述

一、核心参数解析

RALEC RTT021801FTH是一款针对小功率通用电路设计的厚膜贴片电阻,核心参数精准匹配信号处理、限流分压等基础场景:

  • 阻值与精度:1.8kΩ±1%,精度满足大多数工业控制、消费电子的偏差需求,无需额外校准即可用于信号链路;
  • 功率与电压:额定功率62.5mW,最大工作电压50V,对应最大工作电流约5.9mA,适配低功耗MCU、传感器接口等小信号电路;
  • 温度特性:温度系数±100ppm/℃,在-55℃~+155℃宽温范围内,阻值变化可控(如155℃时偏差约±0.6%),覆盖工业级环境;
  • 封装与品牌:采用0402贴片封装(1.0mm×0.5mm标准尺寸),由台湾旺诠(RALEC)生产,品质符合国际电子元件标准。

二、封装与物理特性

该电阻采用0402小型贴片封装,是高密度电路设计的核心优势:

  • 尺寸紧凑:1.0mm(长)×0.5mm(宽)×0.3mm(厚),比0603封装体积小约60%,可显著节省PCB空间,适合手机、智能穿戴等小型化设备;
  • 工艺适配:无引脚表面贴装设计,兼容常规SMT回流焊、波峰焊工艺,批量生产效率高,焊点可靠性强;
  • 材质特性:厚膜电阻采用陶瓷基片+电阻浆料烧结而成,抗机械应力、抗潮湿性能优于薄膜电阻,长期使用不易失效。

三、性能优势

相比同规格电阻,RTT021801FTH在**“平衡性能”**上表现突出:

  1. 稳定性优先:厚膜工艺使电阻阻值漂移率低于行业标准(长期使用漂移<0.1%/1000小时),适合对阻值稳定性要求较高的信号链路;
  2. 宽温适应性:-55℃+155℃的工作温度范围覆盖工业级(-40+85℃)和部分汽车级(-40~+125℃)场景,可用于户外设备、车载辅助电路;
  3. 成本可控:±1%精度+厚膜工艺的组合,在满足性能的前提下,比高精度薄膜电阻成本更低,适合中低端通用电路批量应用;
  4. 安全冗余:50V工作电压高于同功率电阻常规值(通常30V左右),在电压波动场景(如电源纹波±10%)下仍能安全工作。

四、典型应用场景

RTT021801FTH的参数特性适配多种小功率电路:

  • 消费电子:手机音频滤波、平板电源指示灯限流、触摸按键分压;
  • 工业控制:小型PLC输入接口限流、温度传感器信号调理(如NTC分压);
  • 通信设备:WiFi模块射频匹配网络、蓝牙偏置电路分压;
  • 汽车电子(辅助电路):车载显示屏背光控制、胎压监测模块信号处理;
  • 医疗设备:小型监护仪心率信号滤波、血糖试纸校准电阻(通用电路适用)。

五、品质与合规性

旺诠作为专业电阻厂商,RTT021801FTH符合多项国际标准:

  • 环保合规:通过RoHS 2.0、REACH认证,无铅无镉,符合欧盟环保要求;
  • 可靠性测试:经过高温老化、温度循环、湿度测试,满足IEC 60115-1电阻器标准;
  • 批量一致性:自动化生产使同批次电阻阻值偏差控制在±0.5%以内,适合大规模量产。

该电阻以“小体积、稳性能、低成本”为核心,是通用电路中替代同规格电阻的高性价比选择。

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