WMSIC Electronic Components

Viking AR02BTC5102

ModelAR02BTC5102
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 AR02BTC5102
Type
VIKING
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR02BTC5102
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.009g
Electronic Component
51kΩ
Electronic Component
1
Electronic Component
BM0264480877
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AR02BTC5102 薄膜贴片电阻产品概述

一、产品定位与基础身份

AR02BTC5102是Viking(光颉) 推出的0402封装高精度薄膜贴片电阻,属于该品牌针对小功率高精度场景的核心产品线。产品采用薄膜电阻技术,区别于普通碳膜、金属膜电阻,核心优势聚焦于高阻值精度、低温度漂移、宽工作温区,适配对电性能稳定性要求严苛的电子设计,是中高端模拟电路、工业控制等领域的常用元件。

二、核心电性能参数详解

1. 阻值与精度

标称阻值为51kΩ(编码“5102”,对应51×10²Ω),精度等级为**±0.1%**——属于薄膜电阻的高精度规格,可满足多数模拟电路对阻值一致性的要求,无需额外校准即可用于信号调理、反馈网络等场景,避免因精度偏差导致电路性能波动。

2. 功率与电压额定值

  • 额定功率:62.5mW(0.0625W),匹配0402小封装的功率承载能力,适合低功耗电路;
  • 最大工作电压:25V,需注意实际应用中峰值电压不超过该值,避免过压导致电阻膜层击穿或性能衰减。

3. 温度系数(TC)

温度系数为**±25ppm/℃**,表示温度每变化1℃,阻值变化量为:
[ 51kΩ \times 25 \times 10^{-6} = 1.275Ω ]
该参数属于薄膜电阻的优质水平,可有效降低温变对电路的影响,尤其适合温度波动较大的工业环境。

4. 工作温度范围

覆盖**-55℃~+155℃**,满足工业级宽温需求,适配户外传感器、汽车发动机舱周边电路等极端环境应用。

三、封装与工艺特点

1. 0402封装

英制代码对应公制尺寸1.0mm×0.5mm,体积小巧,适合高密度PCB布局(如智能手机主板、可穿戴设备、小型工业控制器);支持SMT自动化贴装,生产效率高,适配批量生产需求。

2. 薄膜电阻工艺

采用真空溅射/沉积工艺制备电阻膜,相比传统电阻技术具有三大优势:

  • 低噪声:膜层均匀性好,噪声水平远低于碳膜电阻,适合低噪声信号链路;
  • 低寄生参数:寄生电感、电容小,适配高频模拟电路(如射频前端滤波);
  • 长期稳定性:膜层结构稳定,无碳膜电阻的老化漂移问题,生命周期内阻值偏差可控。

四、可靠性与环境适应性

  1. 长期稳定性:薄膜电阻的膜层与基底结合紧密,无氧化、漂移风险,结合±0.1%初始精度,可保证产品在5年以上生命周期内阻值偏差≤0.2%(典型值);
  2. 抗恶劣环境:封装采用耐高温环氧树脂,可抵抗湿度(85%RH以上)、粉尘等环境因素,符合IPC-A-610工业级可靠性标准;
  3. 焊接兼容性:适配回流焊、波峰焊工艺,焊接温度曲线可兼容0402封装常规参数,无封装开裂风险。

五、典型应用领域

  1. 高精度模拟电路:传感器信号调理(压力、温度传感器放大/滤波)、运算放大器反馈网络、数据采集系统基准电阻;
  2. 医疗电子:便携式监护仪、血糖检测仪等低噪声电路(依赖低噪声特性减少信号干扰);
  3. 工业控制与仪表:PLC模拟输入模块、高精度万用表分压电阻(宽温适配工业现场);
  4. 可穿戴与移动电子:智能手表、蓝牙耳机电源管理/信号链路(小体积适配紧凑设计);
  5. 汽车电子辅助模块:车载传感器接口、车身控制单元(BCU)辅助电路(宽温适配发动机舱高温)。

六、选型与使用注意事项

  1. 功率降额:当工作温度超过25℃(额定功率参考温度)时,需按降额曲线降低功率(如125℃时降额至约30%);
  2. 电压限制:避免电路峰值电压超过25V,可通过并联稳压管或限流电阻保护;
  3. 焊接工艺:回流焊温度需控制在260℃以内(峰值),避免过热导致阻值漂移。

AR02BTC5102凭借高精度、宽温稳定、小体积等特点,成为中高端电子设计中替代普通电阻的优选方案,广泛覆盖工业、医疗、消费电子等领域。

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