WMSIC Electronic Components

Viking AR02BTC0680

ModelAR02BTC0680
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Viking AR02BTC0680
Type
VIKING
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR02BTC0680
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.009g
Electronic Component
68Ω
Electronic Component
1
Electronic Component
BM0265378743
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.

Viking光颉AR02BTC0680薄膜贴片电阻产品概述

一、产品基本信息

Viking光颉AR02BTC0680是一款针对精密电子电路设计的薄膜贴片电阻,型号命名逻辑清晰:

  • 型号标识:「AR02」对应0402封装系列,「BTC」明确为薄膜电阻类型,「0680」代表标称阻值68Ω(后两位为倍率系数,即68×10⁰);
  • 品牌与封装:由台湾光颉电子(Viking)出品,采用0402英制封装(公制1005),实际尺寸仅1.0mm×0.5mm,适配高密度PCB布局;
  • 类型定位:属于薄膜电阻范畴,区别于碳膜、金属氧化膜电阻,核心优势为高精度、低噪声与稳定的温度特性。

二、核心性能参数详解

该电阻的关键参数围绕「精密性」与「环境适应性」设计,具体如下:

  1. 阻值与精度:标称阻值68Ω,精度±0.1%,可满足对阻值一致性要求苛刻的场景(如基准电压电路、仪器校准);
  2. 功率与电压:额定功率62.5mW,最大工作电压25V。低频场景下,25V电压对应的实际功耗约9.2mW(远低于额定值),高频场景需结合阻抗特性评估余量;
  3. 温度系数(TCR):±25ppm/℃,指温度每变化1℃,阻值相对变化25×10⁻⁶。以68Ω为例,100℃温差下阻值仅变化0.17Ω,稳定性优异;
  4. 工作温度范围:-55℃~+155℃,覆盖工业级、汽车级甚至部分航空航天级的温度需求,可在极端环境下长期工作。

三、典型应用场景

结合参数特性,该电阻适用于以下场景:

  1. 精密仪器仪表:数字万用表、示波器的校准电路、基准电压源,依赖±0.1%精度实现准确测量;
  2. 通信设备:射频前端模块、信号调理电路(如滤波器偏置电阻),0402封装节省空间,宽温特性适配基站等户外设备;
  3. 汽车电子:胎压监测(TPMS)传感器信号处理、车载音频电路,宽温范围满足-40℃~+85℃的车载环境;
  4. 消费电子:智能手机、智能手表等可穿戴设备的传感器接口、电源管理模块,小型化封装适配轻薄化趋势;
  5. 工业控制:PLC输入输出接口、工业传感器(温度/压力)的分压电路,稳定阻值保证控制精度。

四、工艺技术优势

该电阻的性能源于光颉的成熟工艺:

  1. 真空溅射薄膜工艺:在陶瓷基底上沉积镍铬金属薄膜,相比传统电阻噪声更低、稳定性更强;
  2. 激光调阻技术:通过高精度激光微调实现±0.1%精度,批次间阻值一致性优于0.05%;
  3. 小型化封装设计:0402封装体积仅为0805的1/4,可显著降低设备尺寸与重量;
  4. 低噪声特性:电流噪声指数(CNI)≤-30dB,适合音频放大、微弱信号检测等对噪声敏感的电路。

五、可靠性与环境适应性

该电阻通过多项可靠性测试,适配恶劣场景:

  1. 宽温稳定性:-55℃~+155℃范围内,阻值漂移率≤0.05%(1000小时老化后);
  2. 耐环境性能:符合IEC 60068标准,耐湿性(85℃/85%RH,1000小时)、抗盐雾(5%NaCl,96小时)性能优异;
  3. 抗机械应力:贴片封装焊接后,抗冲击(1000g,0.1ms)、抗振动(20g,10~2000Hz)性能满足汽车级要求;
  4. 长期可靠性:老化速率≤0.02%/1000小时,可支撑设备10年以上使用寿命。

综上,Viking光颉AR02BTC0680薄膜贴片电阻凭借高精度、宽温特性、小型化封装及可靠性能,成为精密电子领域的优选元件,覆盖仪器、通信、汽车等多场景需求。

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