WMSIC Electronic Components

Viking AR03BTCX0680

ModelAR03BTCX0680
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 AR03BTCX0680
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR03BTCX0680
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.023g
Electronic Component
68Ω
Electronic Component
1
Electronic Component
BM0265378764
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.

AR03BTCX0680 薄膜贴片电阻产品概述

一、产品核心定位

AR03BTCX0680是Viking(光颉) 推出的一款高精度薄膜贴片电阻,针对电子设备中对阻值精度、温度稳定性要求严格的场景设计。其0603小型化封装、±0.1%高精度与±25ppm/℃低温度系数的组合,可满足工业控制、消费电子、测试测量等领域的常规精密电路需求。

二、基础参数详情

该电阻的核心参数完全覆盖“小型化、高精度、宽温稳定”的设计目标,关键指标如下:

参数类别 具体参数 核心说明 电阻类型 金属薄膜电阻 真空溅射工艺,阻值一致性优于厚膜电阻 标称阻值 68Ω 常用精密阻值,适配多数信号调理/分压电路 精度等级 ±0.1% 高于常规1%/0.5%电阻,满足12位以上ADC需求 额定功率 100mW(0603封装) 实现“小型化+高功率密度”平衡(100mW/1.28mm²) 温度系数(TCR) ±25ppm/℃ 每℃阻值变化≤百万分之25,宽温下稳定性优异 工作温度范围 -55℃~+155℃ 工业级温度覆盖,适配极端环境(如户外/车载) 封装尺寸 0603(英制)/1608(公制) 1.6mm×0.8mm,适合高密度PCB布局

三、封装与工艺特点

3.1 0603封装的小型化优势

0603封装体积仅为0805封装的60%,可显著降低PCB布局空间,适配智能手机、可穿戴设备等便携产品的高密度设计需求。端电极采用镍-锡双层镀层,焊接时与PCB焊盘结合牢固,回流焊后无“立碑”“虚焊”风险,符合IPC-A-610标准。

3.2 薄膜电阻的工艺核心

采用真空溅射金属膜工艺(替代厚膜印刷),在氧化铝陶瓷基片上沉积均匀金属层,再通过激光微调实现±0.1%精度。相比厚膜电阻,薄膜电阻的阻值一致性提升30%以上,且噪声系数更低(典型值< -40dB),适合音频、传感器信号等低噪声场景。

四、性能优势解析

4.1 高精度与低温漂的协同效应

±0.1%的精度确保阻值偏差≤0.068Ω(68Ω×0.1%),而±25ppm/℃的TCR进一步控制宽温下的阻值漂移:以155℃工作温度为例,相比25℃基准,阻值变化仅为0.221Ω(68Ω×130℃×25ppm),整体偏差远低于多数精密电路的阈值要求。

4.2 长期稳定性与可靠性

  • 负载寿命测试:1000小时@70℃满功率(100mW),阻值变化≤0.1%;
  • 耐湿老化:85℃/85%RH环境下1000小时,阻值变化≤0.2%;
  • 机械强度:0603封装可承受1mm弯曲(PCB变形),阻值变化≤0.1%,适配批量贴装的机械应力。

4.3 宽温适应性

-55℃+155℃的工作范围覆盖工业现场的低温(如北方户外设备)与高温(如车载发动机舱周边)场景,相比商业级(0℃70℃)电阻,环境适应性提升显著。

五、典型应用场景

  1. 工业控制电路:PLC模拟量输入模块的信号调理、压力/温度传感器的信号放大反馈;
  2. 消费电子:智能手机PMIC分压电路、音频解码电路的滤波电阻;
  3. 测试测量设备:万用表基准分压、示波器垂直放大器校准电阻;
  4. 医疗小型设备:便携式血糖仪信号处理、低功耗监护仪电阻网络。

六、选型与使用注意事项

  1. 功率降额:实际使用功率建议不超过额定功率的70%(即≤70mW),避免过热导致阻值漂移;
  2. 焊接规范:回流焊峰值温度≤260℃/10s,手工焊接温度≤350℃/3s;
  3. 存储条件:常温干燥环境(25℃±5℃,湿度≤60%RH),开封后1个月内使用完毕;
  4. 场景匹配:若需更高温漂(如±10ppm/℃),可选择光颉AR03系列更高档型号;若功率需求≥200mW,需切换至0805封装。

该产品凭借“高精度+低漂移+小型化”的综合优势,成为精密电子设备中替代传统厚膜电阻的优选方案,尤其适合对成本敏感但需兼顾性能的量产场景。

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