WMSIC Electronic Components

Viking AR05FTCW2R50

ModelAR05FTCW2R50
Package0805
BrandVIKING
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
Viking AR05FTCW2R50
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR05FTCW2R50
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.029g
Electronic Component
2.5Ω
Electronic Component
1
Electronic Component
BM0264480951
Operating Temperature
55℃~+155℃
Operating Voltage
150V
Electronic Component
±25ppm/℃
Resistor Type
Resistor

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

AR05FTCW2R50 薄膜贴片电阻产品概述

一、产品定位与基本属性

AR05FTCW2R50是光颉电子(Viking) 推出的通用型高精度薄膜贴片电阻,采用0805(英制封装,对应公制2012)标准贴片封装,定位于对阻值精度、温度稳定性有明确要求的中低端应用场景,兼顾成本与性能平衡。产品符合RoHS无铅环保标准,可满足工业级、汽车电子级等多领域的基础电路需求。

二、核心电气参数详解

该电阻的核心参数围绕“精度、稳定性、耐环境能力”设计,关键指标如下:

  1. 阻值与精度:标称阻值2.5Ω,精度±1%——满足工业级电路对阻值一致性的基本要求,可替代同参数金属膜电阻,且温漂表现更优;
  2. 功率与电压额定值:额定功率125mW,额定工作电压150V——功率额定值适配小电流电路(2.5Ω电阻在125mW下的最大电流约70mA),150V额定电压覆盖低压直流与部分交流电路的耐压需求;
  3. 温度系数(TC):±25ppm/℃——远优于普通金属膜电阻(典型±50ppm/℃),在-55℃至+155℃的宽温范围内,阻值相对变化不超过0.525%(计算:ΔT=210℃,ΔR/R=210×25e-6=0.00525),温变稳定性突出;
  4. 工作温度范围:-55℃~+155℃——符合工业级与汽车电子的环境温度要求,可适应极端高低温场景(如户外工业传感器、车载电子模块)。

三、性能优势与技术特点

相较于同封装、同功率的碳膜/金属膜电阻,AR05FTCW2R50的核心优势体现在:

  1. 薄膜电阻工艺优势:采用真空溅射薄膜技术制备电阻层,相比碳膜电阻(阻值分散性大、温漂高),阻值一致性更好;相比金属膜电阻,成本更低且高频特性更优(适合100MHz以下射频辅助电路);
  2. 小封装高密度适配:0805封装尺寸仅2.0mm×1.2mm,可显著降低PCB布局面积,适合智能手机、便携式仪器等高密度电路设计;
  3. 宽温可靠性:-55℃至+155℃的工作范围结合低温度系数,确保极端环境下电路参数稳定(如北方冬季户外设备、南方高温车间);
  4. 高性价比:在保持±1%精度与低温度系数的前提下,成本低于同参数高精度金属膜电阻,适合批量应用场景。

四、典型应用场景

AR05FTCW2R50的参数特性使其适配以下典型场景:

  1. 工业自动化:传感器信号调理电路(压力/温度传感器的分压/限流)、PLC输入输出模块的电阻网络;
  2. 汽车电子:车载中控小功率辅助电路、车身传感器信号滤波(需宽温稳定);
  3. 消费电子:智能手机/平板充电电路限流、音频模块分压电阻(需阻值稳定);
  4. 通信设备:路由器/交换机电源滤波电路、射频前端匹配电阻(薄膜电阻高频损耗低)。

五、封装与可靠性设计

  1. 封装细节:0805贴片封装,引脚间距与焊盘尺寸符合IPC标准,兼容主流SMT贴片机生产,焊接可靠性高;
  2. 可靠性保障:经过高低温循环、湿热老化等测试,部分批次满足AEC-Q200汽车电子标准,无铅工艺确保环保合规;
  3. 长期稳定性:薄膜电阻层不易氧化,长期使用阻值漂移≤0.1%/1000小时,适合对长期可靠性有要求的设备。

六、总结

AR05FTCW2R50是光颉电子针对中高精度、宽温稳定应用推出的薄膜贴片电阻,以0805小封装、±1%精度、±25ppm/℃温漂为核心竞争力,兼顾成本与性能平衡。其适配工业自动化、汽车电子、消费电子等多领域,是替代同参数碳膜/金属膜电阻的高性价比选择。

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