WMSIC Electronic Components

RALEC RTT021001FTH

ModelRTT021001FTH
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 RTT021001FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT021001FTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
1kΩ
Electronic Component
10
Electronic Component
BM0265116067
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.

RTT021001FTH厚膜贴片电阻产品概述

RTT021001FTH是RALEC(旺诠) 推出的一款高性能厚膜贴片电阻,采用行业通用的0402封装,专为小体积、宽温域、中等精度的电子电路设计,广泛适配消费电子、工业控制、通信设备等领域的应用需求。

一、产品品牌与核心定位

RALEC(旺诠)作为全球知名的被动元器件制造商,以厚膜电阻、片式电感等产品的稳定性和性价比著称。RTT021001FTH是其针对通用电路优化的主力型号,聚焦“小封装+宽温+中等精度”的平衡设计,满足批量生产中对成本、可靠性的双重要求。

二、关键技术参数详解

该电阻的核心参数直接决定了其应用场景,具体如下:

  1. 阻值与精度:标称阻值1kΩ(1000Ω),精度±1%,能满足大多数模拟电路、数字电路的信号调节、分压等需求,无需额外校准即可保证基础功能稳定;
  2. 功率与电压:额定功率62.5mW(即1/16W),工作电压50V,属于0402封装电阻的典型功率范围,适配小信号放大、传感器接口等低功耗电路;
  3. 温度系数:±100ppm/℃,即环境温度每变化1℃,阻值变化量为±0.1Ω(1000Ω×100e-6),温漂控制在合理区间,适合温度波动较大的工业场景;
  4. 工作温度范围:-55℃~+155℃,覆盖了从极端低温(如户外设备)到高温(如车载电子、工业炉旁)的宽域环境,可靠性更高。

三、封装与物理特性

采用0402封装(英制尺寸:0.04英寸×0.02英寸;公制尺寸:1005,即1.0mm×0.5mm),体积小巧,适合高密度贴装(如智能手机主板、小型通信模块),兼容自动化SMT生产线,生产效率高。

厚膜工艺赋予其抗机械应力、抗潮湿的特性,相比薄膜电阻成本更低,相比碳膜电阻稳定性更好,是平衡“性能-成本-体积”的优选方案。

四、典型应用场景

RTT021001FTH的参数设计使其适配多类场景:

  • 消费电子:智能手机、平板电脑的电源滤波、音频信号调节、触控电路分压;
  • 工业控制:传感器信号放大、PLC输入输出接口、小型电机驱动的限流;
  • 通信设备:4G/5G基站的射频前端小信号处理、光纤收发器的偏置电路;
  • 汽车电子:车载显示屏的背光调节、车身控制模块(BCM)的信号分压(需结合整车级认证,但宽温参数已满足部分车载场景)。

五、可靠性与环境适应性

  1. 宽温可靠性:-55℃~+155℃的工作范围,能应对极端环境下的温度波动,避免阻值漂移导致的电路故障;
  2. 功率降额建议:实际使用功率建议不超过额定功率的50%(即31.25mW),电压不超过25V(降额50%),可显著延长使用寿命;
  3. 抗干扰性:厚膜电阻的低噪声特性,适合对信号纯度要求较高的模拟电路。

六、选型与替代参考

若需替代,可选择同封装、同参数的其他品牌型号(如国巨、三星的0402 1kΩ±1% 1/16W电阻),但RTT021001FTH的±100ppm/℃温漂和宽温范围,在工业级、车载级场景中更具优势;若对精度要求更高(如±0.1%),则需切换至薄膜电阻型号。

综上,RTT021001FTH凭借小体积、宽温域、中等精度的平衡设计,成为通用电子电路中性价比极高的厚膜贴片电阻选择,适配多行业的批量生产需求。

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