WMSIC Electronic Components

RALEC RTT026653FTH

ModelRTT026653FTH
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 RTT026653FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT026653FTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
665kΩ
Electronic Component
10
Electronic Component
BM0265147741
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.

RTT026653FTH 厚膜贴片电阻产品概述

一、产品基本信息与核心定位

RTT026653FTH是台湾旺诠(RALEC)推出的0402封装厚膜贴片电阻,属于小功率精密电阻范畴,专为高密度PCB设计、宽温环境应用及轻负载精密电路打造。其核心参数匹配工业级与消费电子的双重需求,兼具小尺寸、高精准度与宽温适应性,是众多中端精密电路的优选元件。

二、关键参数及性能优势

该电阻的核心参数围绕“精准、稳定、适配宽温”设计,各参数意义明确:

  1. 阻值与精度:标称阻值665kΩ(非标准常规阻值),精度±1%——可满足需要精准分压、电流采样的场景,避免因阻值偏差导致的信号失真;
  2. 功率与电压:额定功率62.5mW,工作电压50V——0402封装下功率达到62.5mW(高于部分同封装电阻的50mW),且工作电压50V(常规同封装多为30V),可适配更高电压的轻负载电路;
  3. 温度特性:温度系数±100ppm/℃,工作温度范围-55℃~+155℃——温度变化对阻值影响极小(如温度升高10℃,阻值变化仅约0.0665kΩ),且覆盖工业级宽温,能应对低温严寒与高温高湿环境;
  4. 封装尺寸:0402封装(英制代码,对应公制1005),实际尺寸1.0mm×0.5mm——适合高密度PCB布局,满足便携式设备(如智能穿戴)的空间限制。

三、工艺与可靠性特性

  1. 厚膜工艺优势:采用丝网印刷电阻浆料+高温烧结工艺,相比薄膜电阻成本更低,且抗硫化、抗潮湿性能更优;相比碳膜电阻,稳定性与功率密度更高;
  2. 环保与认证:符合RoHS2.0标准,无铅无卤,满足全球电子行业的环保要求;
  3. 可靠性测试:通过温度循环(-55℃~+155℃循环)、湿热测试(85℃/85%RH)、耐焊接热等常规可靠性测试,确保长期使用中的性能稳定。

四、典型应用场景

RTT026653FTH的参数特性使其适配多领域轻负载精密电路:

  1. 消费电子:智能手机、智能手表的传感器信号调理电路(如加速度计、陀螺仪的分压滤波)、音频接口的匹配电阻;
  2. 工业控制:小型PLC的模拟量输入模块(电流采样参考电阻)、传感器接口的限流电阻(如温度传感器的信号放大电路);
  3. 汽车电子:车载仪表盘的背光调节电路、胎压监测模块的信号处理电路(宽温适配车载环境);
  4. 通信设备:小型基站、路由器的射频前端滤波网络、电源模块的轻负载分压电阻。

五、选型与使用注意事项

  1. 功率降额:实际应用中建议功率不超过额定功率的50%(即≤31.25mW),延长产品寿命并降低温度漂移;
  2. 电压限制:避免工作电压超过50V,防止电阻击穿或性能下降;
  3. 环境适配:确保工作环境温度在-55℃~+155℃范围内,超出会导致阻值精度超标及可靠性降低;
  4. 焊接工艺:采用回流焊工艺,焊接温度需符合旺诠推荐参数(如峰值温度245℃±5℃,时间≤10s),避免过焊损坏。

六、总结

RTT026653FTH作为旺诠旗下的0402封装厚膜电阻,以665kΩ±1%精准阻值、50V工作电压、-55℃~+155℃宽温为核心优势,结合小尺寸、高可靠性的特点,完美适配消费电子、工业控制、汽车电子等领域的轻负载精密电路需求。其厚膜工艺兼顾成本与性能,是高密度PCB设计中替代常规电阻的优质选择。

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