WMSIC Electronic Components

RALEC RTT022401FTH

ModelRTT022401FTH
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

13 specifications

Core information

Product name
RALEC RTT022401FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT022401FTH
Electronic Component
1
Package
0402
Electronic Component
0.009g
Electronic Component
50
Electronic Component
BM0265966222
Electronic Component
Electronic Component
Electronic Component
10000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

RTT022401FTH 旺诠厚膜贴片电阻产品概述

RTT022401FTH是国内被动元件龙头**RALEC(旺诠)**推出的一款厚膜贴片电阻,以小型化封装、精准阻值控制和宽温适应性为核心特点,适配电子电路中信号调理、小功率限流等典型场景,是工业控制、消费电子、物联网等领域的高性价比选型。

一、产品基础定位与身份标识

该型号属于旺诠RTT系列厚膜贴片电阻,型号命名清晰映射核心参数:

  • 阻值:2.4kΩ(型号中“2401”为E96系列阻值代码,对应2.4kΩ);
  • 封装:0402(英制尺寸,约1.0mm×0.5mm,属于小型化贴片封装);
  • 类型:厚膜印刷工艺(陶瓷基底+金属釉电阻浆料烧结,平衡成本与性能稳定性)。

二、核心性能参数深度解析

1. 阻值与精度

阻值为2.4kΩ ±1%,覆盖工业级与消费类电子的主流需求:

  • 对于信号分压、MCU I/O口偏置等场景,±1%精度可避免因阻值偏差导致的信号电平偏移(如I2C总线拉电阻偏差过大可能引发通信异常);
  • 若电路需更高精度(如精密测量),需搭配校准环节,但该精度已满足80%以上常规电路设计。

2. 功率与电压

  • 额定功率62.5mW,最大工作电压50V:
    • 适配小信号电路(如传感器信号放大前限流、LDO输出端电流限制),不适合大电流(如电源主回路)场景;
    • 功率余量计算示例:若电路电流为4.5mA,则功耗为I²R=0.0045²×2400=48.6mW,留10%~20%余量(实际建议电流≤4mA),避免长期过载。

3. 温度系数(TCR)

±100ppm/℃,在工作温区(-55℃~+155℃)内阻值变化可控:

  • 温度波动210℃(-55℃到+155℃)时,阻值变化为2.4kΩ×100ppm/℃×210℃=50.4Ω,叠加±1%精度(±24Ω),总波动约±74.4Ω(±3.1%);
  • 适合户外传感器节点、工业现场等温度波动较大的场景。

4. 工作温区

覆盖**-55℃+155℃**,远超商业级电阻(0℃70℃)的温区范围,可满足工业控制、车载辅助电路等场景的耐温需求。

三、封装与物理特性

1. 0402封装优势

  • 尺寸极小(1.0mm×0.5mm),适配高密度PCB设计(如智能手机主板、智能穿戴设备);
  • 焊接兼容性强,可通过回流焊、波峰焊实现批量生产,焊接点可靠性符合IEC 60068-2-20标准(热应力测试无脱落)。

2. 厚膜工艺特点

  • 陶瓷基底抗热冲击性好,长期使用阻值漂移小(通常≤0.5%/1000小时);
  • 成本低于薄膜电阻,性价比更高,适合大规模量产场景。

四、典型应用场景适配

1. 消费电子领域

  • 智能手机/智能手表:LDO输出限流电阻、音频信号分压电阻;
  • 小型家电:遥控器MCU外围电路、LED指示灯限流电阻。

2. 工业控制领域

  • 小型PLC:数字输入/输出口上拉电阻;
  • 传感器模块:压力/温度传感器信号调理电路的偏置电阻。

3. 物联网设备

  • 智能门锁:蓝牙/WiFi模块的I2C总线拉电阻;
  • 环境监测节点:温湿度传感器与MCU之间的信号匹配电阻。

4. 汽车电子(低功耗场景)

  • 车载小屏幕背光控制电路;
  • 胎压监测系统(TPMS)传感器接口电路(旺诠部分厚膜电阻已通过AEC-Q200汽车级认证)。

五、可靠性与选型优势

1. 可靠性验证

  • 耐温循环测试:通过-55℃~+155℃循环1000次测试,阻值变化≤1%;
  • 振动测试:符合IEC 60068-2-6(振动频率10~2000Hz),焊接点无脱落。

2. 旺诠品牌优势

  • 国内被动元件龙头,产能稳定,供货周期短(常规订单3~5天交付);
  • 产品一致性好,同批次阻值偏差控制在±0.5%以内(优于标称±1%)。

六、总结

RTT022401FTH以小型化(0402封装)、精准度(±1%)、宽温适应性(-55℃~+155℃) 为核心竞争力,平衡了成本与性能,是消费电子、工业控制、物联网等领域信号调理、小功率限流场景的可靠选择。

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