WMSIC Electronic Components

Viking AR03BTCX2501

ModelAR03BTCX2501
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 AR03BTCX2501
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR03BTCX2501
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.023g
Electronic Component
2.5kΩ
Electronic Component
1
Electronic Component
BM0227328216
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.

AR03BTCX2501 薄膜贴片电阻产品概述

一、产品核心身份与定位

AR03BTCX2501是Viking(光颉) 推出的一款高精度薄膜贴片电阻,型号编码直接对应核心参数:“2501”代表标称阻值2.5kΩ,精度等级为±0.1%,温度系数±25ppm/℃,封装规格为0603(英制尺寸,对应公制1608)。作为光颉薄膜电阻系列的代表性产品,其定位是小体积、高稳定、宽温适用的精密电路元件,可满足工业控制、通信设备、医疗仪器等对阻值精度和温度稳定性要求较高的场景需求。

二、关键性能参数深度解析

AR03BTCX2501的核心参数围绕“高精度、高稳定”设计,各项指标均针对精密应用优化:

  1. 阻值与精度:标称阻值2.5kΩ,精度±0.1%——远高于普通贴片电阻(通常±1%~±5%),可有效减少电路信号误差,适合传感器信号调理、基准电压电路等对阻值一致性要求严格的场景;
  2. 温度系数(TCR):±25ppm/℃——表示温度每变化1℃,阻值变化量为2.5kΩ×25×10⁻⁶=0.0625Ω,即使在-55℃~+155℃的宽温范围内,阻值漂移极小,能保持电路性能稳定;
  3. 功率与封装:额定功率100mW,封装0603——0603封装体积仅1.6mm×0.8mm,适配高密度PCB设计,100mW功率满足多数小功率电子电路(如数字逻辑、射频前端)的需求;
  4. 工作温度范围:-55℃~+155℃——覆盖工业级、汽车级温度标准,可在极端环境(如户外基站、车载控制单元)中长期稳定工作。

三、薄膜电阻工艺的技术优势

AR03BTCX2501采用薄膜电阻工艺(区别于厚膜工艺),核心优势体现在:

  • 精度与稳定性:薄膜工艺通过真空溅射等方式在陶瓷基底上沉积金属薄膜,阻值一致性更好,精度可达±0.01%±0.1%,远高于厚膜电阻的±0.5%±5%;
  • 低噪声与低漂移:薄膜电阻的电流噪声(1/f噪声)比厚膜低约10~100倍,且温度系数更窄,适合对噪声敏感的模拟电路(如音频、射频);
  • 长期可靠性:薄膜层与基底结合紧密,抗老化性能优于厚膜,可在高温、高湿环境下长期工作,失效率更低。

四、典型应用场景

基于性能特点,AR03BTCX2501广泛应用于以下领域:

  1. 工业控制:PLC(可编程逻辑控制器)的模拟量输入模块、传感器信号放大电路——宽温适配工业现场环境,高精度保证信号采集准确性;
  2. 通信设备:基站射频前端、路由器数字电路——小体积适配高密度PCB,低TCR保证信号传输稳定;
  3. 医疗仪器:监护仪的生理信号检测、诊断设备的基准电路——高精度满足医疗数据的准确性要求;
  4. 汽车电子:车载传感器(如胎压、温度传感器)的信号调理、车身控制单元(BCM)——宽温范围符合汽车级温度标准(-40℃~+125℃),可靠性高;
  5. 高端消费电子:专业音频设备(如Hi-Fi耳机放大器)、无人机飞控系统——低噪声提升音频质量,小体积适配便携设备。

五、选型与使用注意事项

为确保AR03BTCX2501的性能稳定,使用时需注意:

  1. 功率降额:额定功率100mW为25℃环境下的数值,温度升高时需降额使用(如125℃时降额至50mW,155℃时降额至30mW),避免过热导致阻值漂移;
  2. 焊接工艺:采用回流焊时,峰值温度建议控制在240℃~260℃(时间≤10秒),避免过高温度损伤薄膜层;
  3. 精度验证:高精密应用(如基准电压电路)建议对批量电阻进行温漂测试,确保符合系统要求;
  4. 存储条件:未焊接的电阻需存储在常温(15℃~35℃)、干燥(相对湿度≤60%)环境中,避免受潮影响焊接性能。

六、总结

AR03BTCX2501作为光颉薄膜电阻系列的核心产品,凭借**±0.1%高精度、±25ppm/℃低TCR、-55℃~+155℃宽温范围、0603小体积**等优势,成为工业控制、通信、医疗等领域精密电路的可靠选择。其薄膜工艺带来的低噪声、高稳定性,可有效提升电路性能,适配多场景的严苛需求。

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