WMSIC Electronic Components

Viking AR03BTCX4121

ModelAR03BTCX4121
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Viking AR03BTCX4121
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR03BTCX4121
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.023g
Electronic Component
4.12kΩ
Electronic Component
1
Electronic Component
BM0257321900
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.

AR03BTCX4121薄膜电阻产品概述

一、核心参数与品牌定位

AR03BTCX4121是光颉(Viking)推出的0603封装精密薄膜电阻,专为对精度、稳定性要求严苛的电子电路设计。其核心参数完全匹配工业级应用需求:

  • 阻值:4.12kΩ(对应代码“4121”,即412×10¹Ω);
  • 精度:±0.1%(高于常规±1%/±5%电阻,满足精密测量场景);
  • 功率额定值:100mW(0603封装下的典型功率密度,平衡尺寸与功耗);
  • 温度系数(TCR):±25ppm/℃(温度变化时阻值漂移极小,稳定性突出);
  • 工作温度范围:-55℃~+155℃(覆盖工业级宽温环境,适应极端温度场景)。

二、封装与物理特性

该电阻采用0603表面贴装封装(英制尺寸,公制对应1608,即1.6mm×0.8mm×0.4mm左右),具备以下实用优势:

  1. 小尺寸高密度:适配PCB布局紧凑的设计(如通信模块、便携式设备),节省空间;
  2. 自动化兼容:表面贴装结构支持高速SMT贴装,适合量产流水线;
  3. 焊接可靠性:端电极采用抗硫化工艺(部分批次),避免潮湿/硫化环境下的电极腐蚀,焊接后机械应力耐受度高。

三、性能优势深度解析

相比普通厚膜电阻,AR03BTCX4121的薄膜工艺赋予其三大核心竞争力:

  1. 高精度与低漂移:±0.1%精度可直接替代进口同规格产品;±25ppm/℃的TCR意味着在-55℃~155℃范围内,阻值最大漂移仅为4.12kΩ×210℃×25ppm=21.63Ω(约0.526%),远低于常规电阻的漂移量;
  2. 宽温环境适应性:工业级温度范围覆盖了户外、车载(辅助电路)、工业控制现场的极端温度,无需额外散热或温度补偿;
  3. 低噪声与长期稳定:薄膜电阻的噪声系数(NF)远低于厚膜,适合医疗监护、射频信号调理等对噪声敏感的场景;光颉成熟的薄膜工艺确保产品长期阻值变化率<0.1%/1000小时,可靠性有保障。

四、典型应用场景

AR03BTCX4121的参数特性使其在多个领域成为优选:

  1. 精密测量仪器:示波器、万用表、数据采集卡的分压/分流电路,需高精度稳定阻值;
  2. 工业控制模块:PLC的模拟量输入输出、传感器信号调理(如温度、压力传感器),宽温适应车间/现场环境;
  3. 医疗电子设备:监护仪的心率/血氧信号处理、血糖仪的校准电路,要求低噪声与高稳定性;
  4. 通信基础设施:基站射频前端的匹配网络、路由器的电源反馈电路,小尺寸适配高密度PCB;
  5. 汽车电子辅助系统:车载显示屏背光控制、传感器信号处理(若确认符合AEC-Q200,可扩展至车载主电路)。

五、可靠性与环保合规

光颉作为专业电阻制造商,AR03BTCX4121符合以下标准:

  • 环保合规:RoHS 2.0(无铅、无镉等有害物质);
  • 可靠性测试:通过高温存储(155℃/1000h)、温度循环(-55℃~155℃/1000次)、湿度老化(85℃/85%RH/1000h)等测试,满足工业级应用要求;
  • 抗硫化性能:部分批次采用Ag/Pd/Ni/Au端电极,避免H₂S等恶劣环境下的腐蚀,延长产品寿命。

总结:AR03BTCX4121是一款高性价比的工业级精密薄膜电阻,以小尺寸、高精度、宽温稳定为核心竞争力,覆盖从测量仪器到工业控制的多类应用场景,是替代进口同规格产品的可靠选择。

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