WMSIC Electronic Components

RALEC RTT022400FTH

ModelRTT022400FTH
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RALEC RTT022400FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT022400FTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
240Ω
Electronic Component
10
Electronic Component
BM0265140131
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.

RTT022400FTH厚膜贴片电阻产品概述

一、产品基本定位与身份

RTT022400FTH是RALEC(旺诠) 推出的一款0402封装厚膜贴片电阻,针对低功耗、高密度电路设计需求优化,具备高精度、宽温适应性等核心特点,广泛适配消费电子、汽车电子、工业控制等领域的信号调理、分压限流场景。

二、核心性能参数详解

该电阻的关键参数可满足多数中高端电路的性能要求,具体如下:

  • 阻值与精度:额定阻值240Ω,提供±1%的偏差控制,相比常规5%精度电阻,可显著提升电路参数的一致性,适合对阻值偏差敏感的信号电路(如传感器信号放大、基准电压分压);
  • 功率承载:额定功率62.5mW,适配低功耗设备的能量需求(如电池供电的便携式产品),正常工作时需结合降额设计(建议实际功率不超31.25mW),避免长期过载导致阻值漂移;
  • 温度稳定性:温度系数±100ppm/℃,即环境温度每变化1℃,阻值变化约0.00024Ω,可有效抑制温漂对电路性能的影响,尤其适合宽温环境(如车载、户外工业场景);
  • 工作电压与温度:最大工作电压50V,满足一般信号电路的电压范围;工作温度覆盖-55℃至+155℃,可稳定应对极端温度变化(如车载-40℃低温、工业高温环境);
  • 工艺类型:采用厚膜工艺,兼顾性能稳定性与成本优势,比薄膜电阻更适合批量低成本应用,同时抗冲击、抗振动性能优于部分薄膜产品。

三、封装与物理特性

RTT022400FTH采用0402封装(英制尺寸:长1.0mm×宽0.5mm,公制1005),是贴片电阻中尺寸较小的规格之一,具备以下优势:

  • 高密度集成:小体积可大幅节省PCB空间,适配智能手机、智能穿戴等小型化设备的高密度布局;
  • 自动化生产:贴片式封装兼容主流SMT生产线,焊接效率高,可降低人工成本与生产不良率;
  • 厚膜工艺特点:通过丝网印刷、烧结等工艺制成,电阻膜层附着力强,长期使用不易出现阻值漂移,可靠性较高。

四、典型应用场景

结合性能参数,该电阻的主要应用方向包括:

  1. 便携式智能设备:如蓝牙耳机、智能手环、智能手表等,低功耗特性适配电池供电,0402封装节省空间,高精度保障信号传输稳定;
  2. 汽车电子:车载仪表盘、传感器信号调理电路(如胎压监测、温度传感器),宽温范围应对车载-40℃至+85℃的环境变化,可靠稳定;
  3. 工业控制:PLC(可编程逻辑控制器)、传感器接口电路,±1%精度保障信号分压、限流的准确性,提升控制系统的响应精度;
  4. 消费电子:遥控器、智能家居终端(如智能插座、温湿度传感器),成本优势与性能稳定性兼顾,适合批量应用;
  5. 物联网终端:低功耗物联网节点(如环境监测传感器),小体积与宽温特性适配户外、工业等复杂部署场景。

五、品牌与可靠性优势

RALEC(旺诠)作为全球被动元器件领域的资深厂商,RTT022400FTH具备以下可靠性保障:

  • 严格品控:产品经过全流程检测,阻值偏差、温漂、功率承载等参数符合行业标准(如IPC-A-610电子组件标准);
  • 环保合规:符合RoHS 2.0、REACH等环保指令,无铅焊接兼容,适配绿色制造需求;
  • 长期稳定性:厚膜工艺的电阻膜层稳定,经老化测试后阻值漂移极小,可保障设备长期稳定运行;
  • 焊接兼容性:封装设计适配回流焊、波峰焊等工艺,焊点可靠性高,降低售后故障率。

六、选型注意事项

使用RTT022400FTH时需注意:

  • 功率降额:实际工作功率建议不超过额定功率的50%(即31.25mW),避免长期过载导致阻值漂移;
  • 电压限制:实际工作电压不超过50V,防止击穿损坏;
  • 场景匹配:若需更高精度(如±0.1%)或更大功率(如0.125W以上),需选择薄膜电阻或更大封装的厚膜电阻。

综上,RTT022400FTH是一款性能均衡、适配性强的厚膜贴片电阻,可满足多数中低端至中端电路的设计需求,是小型化、低功耗设备的优选被动元器件。

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