WMSIC Electronic Components

RALEC RTT022491FTH

ModelRTT022491FTH
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 RTT022491FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT022491FTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
2.49kΩ
Electronic Component
10
Electronic Component
BM0265577704
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 RTT022491FTH 厚膜贴片电阻产品概述

一、产品基本定位与核心参数总览

RALEC(旺诠)RTT022491FTH是一款专为高密度小型化电路设计的厚膜贴片电阻,核心参数精准匹配精密信号调理、分压限流等场景需求。其关键参数如下:

  • 电阻类型:厚膜贴片电阻
  • 核心阻值:2.49kΩ
  • 精度等级:±1%
  • 额定功率:62.5mW(0.0625W)
  • 工作电压:50V(最大额定值)
  • 温度系数:±100ppm/℃
  • 工作温度范围:-55℃~+155℃
  • 封装规格:0402(英制0402/公制1005)

该产品符合RoHS环保标准,适配SMT自动贴装工艺,是消费电子、汽车电子、工业控制等领域的高性价比选型。

二、关键性能指标详细说明

1. 阻值精度与稳定性

±1%的精度满足大多数精密电路对电阻值的控制要求(如传感器信号放大、基准电压分压)。厚膜工艺的固有稳定性,使长期使用后阻值漂移极小,避免电路信号偏差累积。

2. 功率与电压适配性

额定功率62.5mW,最大工作电压50V,可覆盖低功耗电路的常规场景:

  • 若工作电压为12V,通过2.49kΩ电阻限流(电流≈4.8mA),功率消耗仅0.058W(远低于额定值),确保长期可靠;
  • 若用于分压电路,50V高压下仍能稳定工作,适配部分高压辅助电路需求。

3. 宽温特性与环境适应性

±100ppm/℃的温度系数意味着温度每变化1℃,阻值变化仅0.01%。以工作温度范围(-55℃~+155℃)为例,总阻值变化量约为2.49kΩ×210℃×100ppm=52.3Ω(即2.1%),结合±1%精度,实际应用中阻值偏差仍在可接受范围内,完美适配汽车、工业等极端温度场景(如车载舱内高温、工业现场低温)。

4. 宽温工作范围

-55℃至+155℃的温度覆盖,超越普通贴片电阻的常规上限(多为+125℃),可在高温存储、低温启动等严苛环境下稳定工作,无需额外降额设计。

三、封装与尺寸特征

RTT022491FTH采用0402封装(公制尺寸:1.0mm×0.5mm,典型厚度0.3mm),体积仅为普通插件电阻的1/20左右,适配高密度PCB设计:

  • 适合智能手机、智能手表等便携设备的主板模块;
  • 支持SMT自动贴装,量产效率高,降低人工成本;
  • 封装符合IPC国际标准,兼容性强,可与其他0402封装元器件协同布局。

四、典型应用场景

该电阻的性能与封装特性,使其适配以下核心场景:

  1. 消费电子:智能手机音频信号调理、平板电脑电源分压、智能手表传感器接口电路;
  2. 汽车电子:车载胎压监测传感器信号放大、中控屏背光控制电路(宽温适配舱内极端温度);
  3. 工业控制:小型PLC输入/输出接口、工业温度传感器信号预处理模块;
  4. 通信设备:小型基站射频辅助电路、无线路由器电源滤波电路。

五、品牌与可靠性保障

RALEC(旺诠)是全球知名被动元器件制造商,拥有30余年厚膜电阻研发经验:

  • 采用成熟厚膜印刷工艺,经高温负载测试、温度循环测试等严苛验证,长期可靠性达行业领先水平;
  • 产品符合RoHS 2.0、REACH环保法规,部分批次通过AEC-Q200汽车级认证(适配汽车电子严苛要求);
  • 量产一致性好,可稳定供应,降低客户物料选型风险。

总结

RALEC RTT022491FTH厚膜贴片电阻,以小体积、高精度、宽温稳定为核心优势,精准匹配高密度、严苛环境下的电路需求。其性价比突出,适配自动贴装工艺,是消费电子、汽车电子、工业控制等领域的可靠选型,可有效降低客户生产与物料成本。

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