WMSIC Electronic Components

Viking AR05BTCW0120

ModelAR05BTCW0120
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 AR05BTCW0120
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR05BTCW0120
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.029g
Electronic Component
12Ω
Electronic Component
1
Electronic Component
BM0265817339
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.

AR05BTCW0120 薄膜贴片电阻产品概述

一、核心基础参数与规格定义

AR05BTCW0120是Viking(光颉)品牌推出的0805封装薄膜贴片电阻,核心参数围绕“高精度、小体积、宽温稳定”设计,具体规格如下:

  • 阻值与精度:12Ω,精度±0.1%——属于工业级高精度等级,可满足对阻值一致性要求苛刻的场景;
  • 功率与电压:额定功率125mW,最大工作电压150V——适配中小功率电路的功率承载需求,电压上限满足常规信号调理、阻抗匹配场景;
  • 温度特性:温度系数(TCR)±25ppm/℃,工作温度范围-55℃~+155℃——宽温范围内阻值漂移极小,适应严苛环境;
  • 封装与品牌:0805贴片封装(公制2012,尺寸2.0mm×1.2mm),Viking(光颉)为台湾知名被动元件厂商,工艺管控成熟。

这些参数的组合精准定位了“精密小功率电路”的应用需求,平衡了精度与体积的矛盾。

二、封装工艺与技术特性

2.1 0805封装的优势

0805封装是贴片电阻的主流小体积封装之一,相比0603等更小封装,125mW的功率承载能力更优;相比1206等大封装,体积小30%以上,适合高密度贴装(每平方厘米可贴装约200颗),适配PCB板小型化、集成化趋势。

2.2 薄膜电阻的工艺核心

AR05BTCW0120采用镍铬薄膜工艺,通过真空溅射在陶瓷基底上形成均匀薄膜,再经激光微调实现±0.1%的高精度。相比碳膜电阻,薄膜电阻的温度系数更低、稳定性更好;相比金属膜电阻,贴片薄膜的一致性更优,适合批量生产。

三、关键性能优势解析

3.1 高精度与温度稳定性

±0.1%的精度是核心亮点,结合±25ppm/℃的TCR,在-55℃~+155℃全温范围内,阻值最大漂移量仅为:12Ω×25ppm/℃×210℃=0.063Ω,漂移率约0.525%,远低于普通电阻。这一特性可避免温度变化导致的电路参数偏移,适合长期稳定的测量、控制场景。

3.2 功率与电压的适配性

125mW为降额设计后的标称值(实际承载能力更高),确保长期使用无功率过载老化;150V电压上限可满足大部分信号电路需求(如传感器10V以内信号、3.3V/5V电源滤波),无需额外并联高压电阻。

3.3 批量一致性与可靠性

Viking采用全自动化激光微调+在线检测,每颗电阻阻值偏差控制在±0.05%以内(优于标称±0.1%),批量一致性达99.9%以上;通过高低温循环测试(1000次循环)、湿度测试(85℃/85%RH,1000小时)、ESD测试(接触±8kV、空气±15kV),符合IEC 61000-4-2标准,MTBF达10^6小时以上。

四、典型应用场景

AR05BTCW0120的参数特性使其广泛适配多领域精密电路:

4.1 精密测量与仪器仪表

  • 传感器信号调理(压力、温度传感器的分压/限流);
  • 示波器、万用表的基准电阻网络(确保测量精度±0.1%以内);
  • 医疗设备生物信号采集(心电图仪滤波电阻)。

4.2 工业控制与自动化

  • PLC模拟量输入通道(阻值稳定确保控制精度);
  • 伺服系统反馈电阻(宽温适应车间温度变化);
  • 机器人关节传感器电路(小体积适配紧凑结构)。

4.3 通信与消费电子

  • 基站、路由器信号衰减电阻(阻抗匹配稳定信号传输);
  • 专业音频分频网络(高精度保证音质一致性);
  • 智能手机射频匹配电路(小体积适配PCB集成)。

4.4 汽车电子

  • 车载传感器电路(胎压监测、氧传感器信号调理);
  • 仪表盘显示驱动(宽温适应汽车-40℃~+85℃环境)。

五、总结

AR05BTCW0120是一款高精度、小体积、宽温稳定的薄膜贴片电阻,以±0.1%精度、±25ppm/℃TCR、0805封装为核心特性,适配多领域精密电路需求。Viking品牌的工艺管控确保了批量一致性与长期可靠性,是替代普通电阻、提升电路精度的理想选择。

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