WMSIC Electronic Components

RALEC RTT024122FTH

ModelRTT024122FTH
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+

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Technical data

Product details

13 specifications

Core information

Product name
RALEC RTT024122FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT024122FTH
Electronic Component
1
Package
0402
Electronic Component
0.009g
Electronic Component
50
Electronic Component
BM0265966494
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.

RTT024122FTH厚膜贴片电阻产品概述

一、核心参数精准定义

RTT024122FTH为RALEC(旺诠)旗下经典厚膜贴片电阻,核心参数清晰适配多数电子电路设计需求:

  • 阻值与精度:41.2kΩ,±1%精度等级(阻值偏差范围407.88Ω~416.12Ω),满足信号调理、分压等模拟电路的精度要求;
  • 功率与电压:额定功率62.5mW,最大工作电压50V,适配低压直流/交流系统(5V/12V/24V等);
  • 温度特性:±100ppm/℃温度系数(温度每变1℃,阻值变化≈4.12Ω),工作温度范围-55℃~+155℃;
  • 封装与品牌:0402英寸(公制1.0mm×0.5mm)贴片封装,RALEC(旺诠)品牌保障。

二、封装与工艺核心特性

1. 0402小型化封装

采用行业主流0402封装,体积仅为0603封装的40%,可显著提升PCB集成度,适配便携式、穿戴式等对体积敏感的设备(如智能手环、蓝牙耳机)。

2. 厚膜工艺优势

旺诠成熟厚膜工艺通过丝网印刷+高温烧结实现:

  • 成本可控:相比薄膜电阻成本降低约30%,适合中低端批量应用;
  • 稳定性强:氧化铝陶瓷基板导热性好,电阻体抗老化性能优异;
  • 工艺兼容:适配无铅焊接,符合SMT自动化生产要求。

三、电气性能核心优势

1. 精度适配性

±1%精度覆盖80%以上常规电路需求,例如在电压分压电路中,可将输出电压误差控制在1%以内,避免信号失真;

2. 功率与电压匹配

62.5mW额定功率满足小信号电路(运算放大器反馈、传感器接口)的功耗要求(12V系统中最大允许电流≈5.1mA);50V工作电压避免低压系统过压风险;

3. 温度稳定性

±100ppm/℃温度系数在厚膜电阻中属中等偏优,-55℃~+155℃范围内阻值最大变化≈41.2Ω,适配工业、汽车等宽温环境。

四、典型应用场景解析

  1. 便携式电子设备:智能手环心率传感器信号调理、蓝牙耳机音频滤波电路(小封装适配紧凑空间);
  2. 工业控制模块:PLC输入分压电阻、传感器信号放大电路(宽温范围满足工业现场需求);
  3. 汽车电子辅助电路:车载充电器低压控制、仪表盘背光调节(抗振动+宽温适配车辆环境);
  4. 消费电子终端:机顶盒电源分压、路由器LED驱动(成本优势适合批量生产);
  5. 通信设备前端:小型射频匹配网络、信号衰减电路(小封装适配射频模块高密度布局)。

五、可靠性与环境适应性

  1. 环境耐受性:通过高低温循环(-55℃~+155℃)、湿度老化(85℃/85%RH,1000小时)测试,阻值变化率≤1%;
  2. 机械性能:抗振动(10Hz~2000Hz,2g加速度)、抗冲击(1000g,6ms)符合IPC标准;
  3. 环保合规:符合RoHS 2.0、REACH SVHC标准,无铅焊接兼容全球市场准入。

六、品牌背景与选型建议

1. 品牌优势

RALEC(旺诠)成立于1980年,专注被动元件研发,通过ISO 9001、IATF 16949认证,产品覆盖汽车级/工业级全系列,品质稳定可靠;

2. 选型注意事项

  • 功率:实际功耗≤62.5mW,高功率场景选0603/0805封装;
  • 电压:工作电压≤50V,高压场景切换更高电压等级型号;
  • 精度:需±0.1%/±0.5%精度时,可选旺诠薄膜电阻系列;
  • 温度:环境温度需在-55℃~+155℃范围内,超温选特殊耐温型号。

RTT024122FTH凭借小封装、宽温范围与成本优势,成为消费电子、工业控制等领域的高性价比选择。

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