WMSIC Electronic Components

Viking AR03BTCX1043

ModelAR03BTCX1043
Package0603
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 AR03BTCX1043
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR03BTCX1043
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.023g
Electronic Component
104kΩ
Electronic Component
1
Electronic Component
BM0265636780
Operating Temperature
55℃~+155℃
Electronic Component
±25ppm/℃
Resistor Type
Resistor
Electronic Component
Electronic Component

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

Viking光颉AR03BTCX1043薄膜贴片电阻产品概述

一、产品核心定位与基础属性

Viking光颉AR03BTCX1043是一款工业级高精度薄膜贴片电阻,专为对阻值稳定性、误差控制及宽温适应性要求严格的电子电路设计。产品采用0603(英制)/1608(公制)小型贴片封装,标称阻值104kΩ,精度达±0.1%,温度系数(TCR)±25ppm/℃,额定功率100mW,工作温区覆盖-55℃至+155℃。其核心优势在于高稳定性、低温漂与小体积,可满足高密度PCB布局及极端环境下的性能需求。

二、关键性能参数详解

2.1 阻值与精度

  • 标称阻值:104kΩ(对应4位标识“1043”,前三位为有效数字“104”,第四位为倍率“3”,即104×10³Ω);
  • 精度等级:±0.1%(A类精密电阻),优于常规0.5%、1%精度,可有效减少电路误差,适配基准电压、测量电路等场景。

2.2 温度系数(TCR)

TCR为±25ppm/℃,表示每变化1℃,阻值相对变化±25×10⁻⁶。以工作温区最大温差(210℃)计算,阻值最大变化量约546Ω,相对变化仅0.525%,远低于普通电阻温漂水平,保证宽温区下电路性能稳定。

2.3 功率与电流

  • 额定功率:100mW(0.1W),符合0603封装功率规格;
  • 最大允许电流:约980μA(由I=√(P/R)计算,实际需结合降额设计)。

2.4 工作环境

  • 工作温度:-55℃~+155℃(工业级宽温区);
  • 存储温度:-55℃~+125℃(参考datasheet具体要求)。

三、封装与工艺特点

3.1 0603小型贴片封装

  • 尺寸:英制0.06×0.03英寸(1.52×0.76mm),公制1608(1.6×0.8mm);
  • 优势:体积小、重量轻,适配智能手机、智能穿戴、小型工业模块等高密度PCB设计;
  • 兼容性:支持SMT自动化焊接,焊接可靠性符合IPC-A-610标准。

3.2 薄膜电阻工艺

采用镍铬薄膜工艺,相比碳膜、金属膜电阻具有:

  • 更高精度(±0.01%~±0.1%);
  • 更低温漂(±10ppm/℃~±50ppm/℃);
  • 更好长期稳定性(漂移量≤0.05%/1000小时);
  • 优异抗硫化性能(避免恶劣环境下性能衰减)。

四、典型应用场景

AR03BTCX1043因高性价比与宽温适应性,广泛应用于:

4.1 精密测量仪器

  • 万用表、示波器的分压/分流电路(保证电压/电流测量精度);
  • 信号发生器的基准电阻网络(稳定输出信号幅值)。

4.2 工业控制与自动化

  • PLC的信号调理电路(处理传感器微弱信号);
  • 工业传感器(温度、压力)的偏置/校准电阻(宽温区下保证信号准确)。

4.3 汽车电子

  • 车载传感器(胎压、氧传感器)的信号转换电路(适应-40℃~+85℃舱内温度);
  • 仪表盘的显示驱动电路(稳定电流输出)。

4.4 通信与消费电子

  • 射频前端的匹配网络(低误差不影响信号传输);
  • 智能手机电源管理模块的DC-DC反馈电阻(稳定输出电压)。

五、可靠性与环境适应性

5.1 长期稳定性

薄膜层附着力强,长期使用阻值漂移量小,适合医疗仪器、航空航天辅助设备等对可靠性要求高的场景。

5.2 抗恶劣环境

  • 耐湿:符合IEC 60068-2-67湿热试验标准;
  • 抗硫化:特殊配方抵抗含硫气体腐蚀(适配沿海、工业污染区域);
  • 温度冲击:通过-55℃~+155℃循环冲击1000次,无性能衰减。

5.3 环保合规

符合RoHS 2.0、REACH标准,无铅焊接,适配绿色电子产品设计。

六、选型与使用注意事项

6.1 阻值确认

4位标识“1043”对应104kΩ,需注意与3位标识“104”(100kΩ)的区别,避免选型错误。

6.2 功率降额

  • 常规场景:实际功率≤额定功率80%;
  • 高温场景(>125℃):需降额至50%以下,避免过热损坏。

6.3 焊接与存储

  • 焊接:回流焊峰值温度≤260℃,时间≤10秒(符合IPC J-STD-020);
  • 存储:常温(15~35℃)、干燥(湿度≤60%)环境,需ESD防护。

6.4 替代选型

若需更高精度(±0.05%)或更低TCR(±15ppm/℃),可参考光颉同系列升级型号;若功率需求更大,需选择0805及以上封装。

综上,AR03BTCX1043是一款兼顾精度、稳定性与成本的工业级贴片电阻,可满足多领域电子设备的核心性能需求。

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