WMSIC Electronic Components

Viking ARG02BTC8450

ModelARG02BTC8450
Package0402
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 ARG02BTC8450
Type
VIKING
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
ARG02BTC8450
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.009g
Electronic Component
845Ω
Electronic Component
1
Electronic Component
BM0264718130
Operating Temperature
55℃~+155℃
Operating Voltage
50V
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.

ARG02BTC8450高精密薄膜电阻产品概述

一、产品核心定位

ARG02BTC8450是Viking(光颉)推出的0402封装高精密薄膜电阻,针对对阻值精度、温度稳定性要求苛刻的电子系统设计,兼顾小体积与高性能,适用于多领域的信号调理、精密测量等场景,是替代普通厚膜/碳膜电阻的高性价比选型。

二、关键性能参数解析

ARG02BTC8450的核心参数围绕“精密稳定”设计,具体如下:

  1. 阻值与精度:固定阻值845Ω,初始精度达±0.1%——该精度远高于普通碳膜电阻(±5%~±1%),满足精密电路对阻值一致性的要求;
  2. 功率与电压:额定功率62.5mW,额定工作电压50V——需注意实际应用中需结合电路功率需求降额使用(通常建议降额至额定值的70%以内,以提升长期可靠性);
  3. 温度特性:温度系数(TC)±25ppm/℃,即温度每变化1℃,阻值变化量约为0.021Ω;工作温度范围-55℃~+155℃,覆盖工业级、汽车电子级宽温需求;
  4. 封装规格:采用0402英制封装(对应公制1005封装),尺寸为1.0mm×0.5mm,体积小巧,适合高密度PCB布局。

三、封装与工艺优势

ARG02BTC8450采用薄膜电阻工艺(区别于厚膜电阻的丝网印刷工艺),以陶瓷基片为载体,通过真空沉积等工艺形成电阻膜层,相比厚膜电阻具有三大核心优势:

  • 精度一致性更高:膜层厚度均匀,阻值偏差控制更精准,批量生产一致性优于±0.1%;
  • 温度稳定性更强:膜层材料(如镍铬合金)的热稳定性优于厚膜电阻的浆料材料,温漂仅为厚膜电阻的1/2~1/4;
  • 寄生参数更小:薄膜结构紧凑,寄生电容、电感更低,适合10MHz以上的高频信号电路;
    封装采用表面贴装(SMD)设计,兼容常规回流焊工艺,生产效率高,可适配自动化贴装生产线。

四、可靠性与长期稳定性

ARG02BTC8450的可靠性经多项测试验证,满足严苛应用场景需求:

  1. 宽温可靠性:在-55℃低温下无阻值突变,+155℃高温下功率降额后仍能稳定工作,符合MIL-STD-202等军工级标准;
  2. 阻值漂移控制:长期工作(1000小时加速老化)后,阻值漂移通常小于±0.05%,满足精密设备的长期校准需求;
  3. 抗机械应力:0402封装结构紧凑,焊接后与PCB结合牢固,可承受10g/10~2000Hz振动及1500g/0.5ms冲击,适合移动电子设备。

五、典型应用领域

ARG02BTC8450的高精密与小体积特性,使其广泛应用于:

  • 精密测量仪器:数字万用表、示波器、频谱分析仪的信号放大与分压电路;
  • 通信设备:基站射频模块的信号调理电路、光纤收发器的偏置电阻;
  • 汽车电子:车载传感器(温度、压力传感器)的信号转换电路、仪表盘的精密显示电路;
  • 工业控制:PLC模拟量输入输出模块、伺服电机反馈电路;
  • 高端消费电子:Hi-Fi音频设备的信号电阻、智能手表的传感器校准电路。

六、选型与使用注意事项

为确保ARG02BTC8450的性能稳定,需注意以下几点:

  1. 功率降额:实际工作功率需低于62.5mW,环境温度高于25℃时每升高10℃降额约10%;
  2. 电压限制:电路施加电压不得超过50V,避免击穿电阻膜层;
  3. 焊接工艺:回流焊峰值温度控制在240℃~260℃,时间≤30秒,避免过热损坏膜层;
  4. 环境适配:若应用环境温度超出-55℃~+155℃,需更换更高温宽的电阻型号(如光颉ARG系列宽温款)。

ARG02BTC8450凭借高精密、宽温稳定、小体积等优势,成为多领域精密电子系统的理想电阻选型,可有效提升电路的信号精度与长期可靠性。

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