WMSIC Electronic Components

RALEC RTT02105JTH

ModelRTT02105JTH
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 RTT02105JTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT02105JTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.009g
Electronic Component
1MΩ
Electronic Component
50
Electronic Component
BM0265617510
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.

RTT02105JTH 厚膜贴片电阻产品概述

RTT02105JTH是台湾旺诠(RALEC)推出的一款0402封装厚膜贴片电阻,针对小功率、宽温域应用场景设计,兼具成本优势与稳定性能,广泛适配消费电子、工业控制等领域的高密度电路需求。

一、产品基本定位

该电阻属于旺诠常规厚膜贴片电阻系列,核心定位为小功率低功耗电路的基础元件——既满足0402封装的微型化需求,又通过厚膜工艺平衡了性能与成本,适合批量应用于对体积敏感、功率要求不高但环境适应性要求较强的场景。

二、核心参数详解

RTT02105JTH的参数设计精准匹配其应用场景,关键指标如下:

  • 阻值与精度:固定阻值1MΩ,精度±5%(J档),可满足多数模拟电路的分压、限流需求,无需额外校准即可覆盖常规信号调理场景;
  • 功率与电压:额定功率62.5mW(0.0625W),工作电压上限50V,适用于低电压信号链路(如3.3V/5V系统),功率降额后可在更高环境温度下稳定工作;
  • 温度特性:温度系数±100ppm/℃,意味着每变化1℃,阻值偏差不超过0.01%(如155℃时,1MΩ阻值最大偏差约1000Ω),宽温域(-55℃~+155℃)覆盖工业级与部分汽车级环境;
  • 封装规格:0402英制封装(对应公制1005),尺寸为1.0mm×0.5mm,厚度约0.35mm,适配主流SMT贴装设备,支持高密度PCB布局。

三、封装与工艺优势

  1. 厚膜工艺特性:采用厚膜印刷技术,在陶瓷基板上沉积电阻浆料并烧结而成,相比薄膜电阻成本更低,且抗硫化、抗潮湿性能更优,适合复杂环境;
  2. 0402封装适配性:微型化设计可显著减少PCB占用面积,尤其适合智能手机、可穿戴设备等对空间要求严苛的产品,同时贴装效率高,降低生产损耗。

四、典型应用场景

RTT02105JTH的参数与工艺使其适配多种低功率场景:

  • 消费电子:智能手机、平板的触控屏分压电阻、音频模块信号匹配电阻,以及可穿戴设备的传感器接口限流电阻;
  • 工业控制:PLC(可编程逻辑控制器)的模拟量输入接口、小型传感器(如温度/压力传感器)的信号调理电路,宽温域满足车间高低温环境;
  • 通信设备:路由器、交换机的电源滤波电路、低频率段信号匹配电阻,微型化封装适配设备小型化趋势;
  • 汽车电子:车载中控的辅助电路(如按键背光分压)、低功率传感器接口(需确认具体车型的温度要求,其-55~155℃范围可覆盖部分车载环境)。

五、可靠性与环保要求

  1. 环境适应性:工作温度范围覆盖工业级标准(-40℃+85℃)甚至扩展至-55155℃,抗冲击、抗振动性能符合电子元件通用标准,可应对运输与使用中的机械应力;
  2. 环保合规:符合RoHS 2.0、REACH等国际环保标准,无铅封装(Pb-free),适配全球市场的环保要求;
  3. 品质一致性:旺诠采用自动化生产与严格的出厂检测,保证批量产品的阻值一致性,降低电路设计调试难度。

六、使用注意事项

  1. 功率降额:额定功率62.5mW为25℃环境下的数值,环境温度每升高1℃,需适当降低功率(如100℃时功率降额至约40mW),避免过热损坏;
  2. 焊接工艺:SMT焊接温度需控制在260℃以内(峰值温度不超过250℃,时间≤10秒),避免高温损伤电阻性能;
  3. 静电防护:微型封装电阻易受静电影响,生产与存储需采取ESD防护措施。

RTT02105JTH凭借微型化、宽温域、成本可控的特点,成为小功率电路设计中的常用元件,旺诠的品牌保障进一步提升了其在批量应用中的可靠性。

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