WMSIC Electronic Components

Viking AR03BTCX2502

ModelAR03BTCX2502
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 AR03BTCX2502
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR03BTCX2502
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.023g
Electronic Component
25kΩ
Electronic Component
1
Electronic Component
BM0259314233
Operating Temperature
55℃~+155℃
Operating Voltage
75V
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.

AR03BTCX2502薄膜电阻产品概述

一、产品定位与品牌背景

AR03BTCX2502是光颉(Viking)电子推出的一款高精度薄膜电阻,针对需要稳定电气性能、低误差控制的精密电路场景设计。光颉作为全球知名被动元件厂商,专注于薄膜电阻、电感等产品的研发与制造,其产品以高可靠性、宽温适应性著称,广泛应用于工业、医疗、通信等领域。该型号继承了光颉薄膜电阻的核心优势,采用真空溅射+激光调阻工艺,兼顾精度与稳定性,是替代厚膜/碳膜电阻的理想选择。

二、核心电气参数解析

该型号的参数直接决定了应用场景的适配性,关键指标及实际意义如下:

  • 阻值与精度:标称阻值25kΩ,精度±0.1%——在25℃基准温度下,阻值误差仅±25Ω,满足精密分压、信号校准等场景的误差控制需求(如万用表的基准电阻);
  • 功率与电压:额定功率100mW,最大工作电压75V——适配小信号电路(如模拟量采集、音频解码),避免过功率/过电压损坏;
  • 温度系数(TCR):±25ppm/℃——温度每变化1℃,阻值变化量为25kΩ×25×10⁻⁶=0.625Ω,宽温下阻值稳定性优异;
  • 温度范围:-55℃~+155℃——覆盖工业级宽温要求,可在极端环境(如高温车间、低温户外)下稳定工作。

三、封装与制造工艺

AR03BTCX2502采用0603封装(英制尺寸1.6mm×0.8mm,公制1608),适合高密度PCB设计(如小型化医疗设备、便携通信终端)。其制造工艺关键环节包括:

  1. 薄膜沉积:真空溅射镍铬合金膜于陶瓷基片,膜层均匀性远优于厚膜工艺,为高精度提供基础;
  2. 激光调阻:激光切割调整膜层宽度,精准控制阻值至±0.1%精度,同时保证温漂一致性;
  3. 端电极结构:三层电极设计(镍/锡/镍),兼容无铅焊接工艺,焊接可靠性高,长期使用不易虚焊。

四、环境适应性与可靠性

该电阻的环境适应性主要体现在两个方面:

  • 宽温稳定性:-55℃~+155℃范围结合±25ppm/℃的TCR,温度波动100℃时阻值变化仅62.5Ω,满足工业、汽车等场景的温度要求;
  • 抗老化性能:薄膜电阻膜层稳定性优于碳膜/厚膜,1000小时高温老化后阻值漂移率<0.1%,适合对长期可靠性要求高的场景(如工业传感器)。

五、典型应用场景

基于参数与性能,核心应用场景包括:

  1. 精密测量仪器:示波器、万用表的校准电阻(需高精度稳定阻值);
  2. 医疗设备:监护仪、输液泵的模拟信号处理电路(需宽温稳定、低噪声);
  3. 工业控制:PLC模拟量输入/输出模块的分压电阻(需抗工业环境干扰与温度变化);
  4. 通信终端:5G小基站、便携路由器的射频匹配电路(薄膜电阻射频损耗低);
  5. 高端消费电子:Hi-Fi音频解码器的信号放大电路(低噪声、高精度可提升音质)。

六、质量保障与选型提示

光颉对该型号执行严格质量管控,符合ISO9001体系,部分批次满足IATF16949汽车级要求。选型需注意:

  • 功率需求超100mW时需降额(建议70%以下);
  • 无铅焊接温度需控制在260℃以内,避免损伤薄膜层;
  • 若需更高精度(如±0.05%),可考虑光颉同系列更高规格产品。

该型号以高性价比兼顾精度与可靠性,是精密电路设计中替代进口电阻的优质选择。

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