WMSIC Electronic Components

RALEC RTT02242JTH

ModelRTT02242JTH
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 RTT02242JTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT02242JTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.009g
Electronic Component
2.4kΩ
Electronic Component
10
Electronic Component
BM0265147691
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RTT02242JTH厚膜贴片电阻产品概述

一、产品基本定位与型号解析

RALEC旺诠RTT02242JTH是一款针对高密度小功率电路设计的0402封装厚膜贴片电阻,属于旺诠常规厚膜电阻系列中的主力产品。型号字符对应核心信息:

  • RTT:旺诠厚膜贴片电阻系列代号;
  • 02:封装规格(对应英制0402、公制1005,即1.0mm×0.5mm);
  • 242:阻值编码(24×10²=2400Ω=2.4kΩ);
  • J:精度等级±5%;
  • TH:厚膜工艺标识。

该产品聚焦消费电子、工业控制等领域的小信号处理场景,兼顾体积小型化与宽温稳定性,是替代传统插件电阻的高性价比选择。

二、核心参数详细说明

1. 阻值与精度

标称阻值2.4kΩ(2400Ω),精度±5%(J档),符合E24系列电阻的常规精度要求,满足大多数非超高精度电路(如传感器接口、电源反馈)的设计需求。

2. 功率与电压限制

  • 额定功率:62.5mW(0.0625W),适合低电流电路(最大持续电流≈1.25mA,由P=U²/R推导,U=50V时);
  • 额定工作电压:50V,实际使用中需避免瞬间过压(如静电放电),确保长期可靠性。

3. 温度特性

温度系数(TCR)为±100ppm/℃,即温度每变化1℃,阻值变化量为标称值的±100×10⁻⁶。以25℃为基准:

  • 温度升至125℃(变化100℃),阻值变化≈±0.24Ω(变化率0.01%);
  • 温度降至-35℃(变化60℃),阻值变化≈±0.144Ω(变化率0.006%);
    宽温下阻值稳定性满足工业场景极端温度需求。

4. 工作环境范围

  • 工作温度:-55℃~+155℃(覆盖工业级、部分汽车级温度区间);
  • 存储温度:-65℃~+155℃(延长产品存储寿命)。

三、封装与工艺优势

1. 0402封装:高密度适配

体积仅1.0mm×0.5mm,比0603封装小约60%,适合智能手机、智能穿戴、小型工业模块等轻薄化PCB设计,有效节省电路板空间。

2. 厚膜工艺:平衡成本与性能

采用氧化铝陶瓷基片为载体,丝网印刷钌基电阻浆料后高温烧结而成,相比薄膜电阻:

  • 成本更低,适合大规模量产;
  • 抗机械应力、抗潮湿性能更优(陶瓷基片防潮性强);
  • 小功率下功率承载能力稳定(62.5mW匹配低功耗场景)。

3. 贴片兼容性:自动化生产友好

符合SMT(表面贴装技术)标准,可兼容回流焊、波峰焊等常规焊接工艺,适配自动化生产线,提高生产效率。

四、典型应用场景

1. 消费电子:轻薄设备核心电路

  • 智能手机/平板:传感器接口限流(加速度、环境光传感器)、音频电路分压;
  • 智能穿戴:智能手环/手表的心率传感器信号调理、低功耗蓝牙模块电阻。

2. 工业控制:宽温环境稳定工作

  • PLC(可编程逻辑控制器):输入/输出接口限流电阻;
  • 小型电机驱动:信号反馈电路的分压电阻;
  • 工业传感器:温度/压力传感器的信号调理电阻(-55℃~+155℃宽温适配现场环境)。

3. 物联网终端:电池供电低功耗需求

  • 智能门锁:指纹识别模块信号电阻;
  • 智能家居:温湿度传感器节点的分压电阻(低功耗延长电池寿命)。

4. 小型电源:DC-DC/ LDO配套

  • DC-DC转换器:反馈分压电阻(控制输出电压精度);
  • LDO线性稳压器:输出电压调整电阻(低电流匹配LDO特性)。

五、可靠性与品质保障

1. 宽温可靠性测试

旺诠针对该产品完成高低温循环测试(-55℃~+155℃,1000次循环),阻值漂移控制在±0.5%以内,功率衰减≤1%,满足工业级长期工作要求。

2. 环保与认证

  • 符合RoHS 2.0、REACH法规(无铅、无有害物质);
  • 部分批次通过AEC-Q200汽车级认证(若应用于汽车周边电路,需确认具体批次)。

3. 品牌品质背书

RALEC旺诠是全球被动元件领域的老牌制造商(成立于1988年),拥有完整的电阻生产产业链,供货稳定(月产能超10亿只),交期可控(常规订单1-2周)。

六、总结

RTT02242JTH凭借小体积、宽温稳定、低功耗三大核心优势,成为消费电子、工业控制、物联网等领域小信号电路设计的高性价比选择。其厚膜工艺平衡了成本与性能,0402封装适配高密度PCB,是替代传统插件电阻的理想方案。

(全文约950字)

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