WMSIC Electronic Components

Viking AR02BTC5101

ModelAR02BTC5101
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Viking AR02BTC5101
Type
VIKING
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR02BTC5101
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.009g
Electronic Component
5.1kΩ
Electronic Component
1
Electronic Component
BM0264480932
Operating Temperature
55℃~+155℃
Operating Voltage
25V
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.

AR02BTC5101 薄膜贴片电阻产品概述

一、产品定位与品牌背景

AR02BTC5101是Viking(光颉)电子推出的高精度薄膜贴片电阻,属于其工业级小型化电阻系列。光颉作为专业被动元件制造商,专注于高精度电阻、电感等产品研发,其薄膜电阻以“高稳定性、低漂移、小体积”为核心优势,广泛应用于精密电子领域。AR02BTC5101针对高密度PCB设计、低功耗精密电路需求打造,填补了0402封装下±0.1%精度薄膜电阻的市场空白,是工业控制、医疗电子、通信模块等场景的优选元件。

二、核心参数与性能优势

该电阻的关键参数及性能特点如下:

  • 阻值与精度:固定阻值5.1kΩ(工程常用阻值),精度±0.1%——远高于普通碳膜电阻(±1%~±5%),可满足ADC基准分压、信号调理等对阻值精度敏感的场景;
  • 功率与耐压:额定功率62.5mW(0.0625W),工作电压25V——通过公式计算,最大允许电流约3.47mA(I=√(P/R)=√(0.0625/5100)),适合低功耗电路的限流、分压;
  • 温度稳定性:温度系数(TCR)±25ppm/℃——温度每变化100℃,阻值漂移仅0.25%,远优于普通金属膜电阻(±50ppm/℃以上),在宽温环境下仍能保持稳定性能;
  • 工作温度范围:-55℃~+155℃——覆盖工业级温度要求,可在极端环境(如户外设备、车载电子)中可靠工作。

三、封装与物理特性

AR02BTC5101采用0402封装(英制尺寸:0.04英寸×0.02英寸≈1.0mm×0.5mm),是当前贴片电阻中体积最小的封装之一,具有以下优势:

  • 高密度集成:适合智能手机、智能穿戴、小型医疗设备等对PCB空间要求严苛的产品,可显著提升单位面积内的元件密度;
  • 自动化兼容:贴片式封装适配回流焊、波峰焊等自动化生产工艺,降低人工成本,提高生产效率;
  • 机械可靠性:0402封装的焊点强度满足工业级振动、冲击测试要求,适合车载、航空航天等对机械稳定性有要求的场景。

四、典型应用场景

基于其高精度、小体积、宽温稳定的特点,AR02BTC5101主要应用于以下领域:

  1. 精密仪器仪表:示波器、信号发生器、数据采集卡中的信号调理电路(如滤波、放大的反馈电阻);
  2. 医疗电子设备:小型监护仪、血糖仪、输液泵中的传感器信号校准电路,需稳定阻值确保测量精度;
  3. 通信与射频模块:蓝牙模块、WiFi模块的射频前端匹配网络,或基站设备中的低噪声放大器(LNA)偏置电路;
  4. 消费电子高端产品:高端降噪耳机的音频信号处理电路、智能手表的传感器分压电路,兼顾精度与小体积;
  5. 工业控制设备:PLC模块、传感器节点中的信号转换电路,适应-55℃~+155℃的宽温环境。

五、可靠性与环境适应性

薄膜电阻的结构(采用镍铬薄膜沉积于氧化铝陶瓷基底)决定了其比碳膜、金属膜电阻更优异的可靠性:

  • 长期稳定性:经过1000小时高温负载测试(+125℃,额定功率),阻值漂移≤0.1%,可确保设备长期使用无性能衰减;
  • 抗湿性能:采用环氧树脂封装,满足IEC 60068-2-60(湿热测试)要求,在95%RH、+40℃环境下72小时阻值无明显变化;
  • 抗ESD能力:符合IEC 61000-4-2标准,可承受接触放电±8kV、空气放电±15kV,避免静电损坏。

六、选型与应用注意事项

  1. 功率验证:应用时需确保实际功耗≤62.5mW,避免过功率导致阻值漂移或烧毁(如:若电路中电流为5mA,实际功耗I²R=25μA×5100Ω=0.1275W,超过额定功率,需更换更高功率电阻);
  2. 精度匹配:仅当电路对阻值精度要求≥±0.1%时选择该型号,若精度要求不高(如±1%),可选择成本更低的普通电阻;
  3. 焊接工艺:回流焊温度需遵循光颉官方推荐曲线(峰值温度240℃~250℃,时间≤10秒),避免热应力导致封装开裂或阻值变化;
  4. 存储条件:未开封产品需存储于温度-20℃~+40℃、湿度≤60%的环境中,开封后建议12个月内使用完毕。

AR02BTC5101凭借高精度、小体积、宽温稳定的特点,成为精密电子领域的核心被动元件之一,可有效提升设备的性能稳定性与集成度。

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