WMSIC Electronic Components

Viking AR03BTCX4022

ModelAR03BTCX4022
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 AR03BTCX4022
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR03BTCX4022
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.023g
Electronic Component
40.2kΩ
Electronic Component
1
Electronic Component
BM0263676889
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.

AR03BTCX4022 薄膜贴片电阻产品概述

一、产品定位与核心价值

AR03BTCX4022是Viking(光颉)薄膜电阻系列中的高精度宽温型小型化贴片电阻,核心定位为**“小体积下的高性能平衡”**——针对对阻值精度、温度稳定性要求严苛,同时需紧凑封装的电路设计场景,解决传统厚膜电阻精度不足、宽温漂移大,或大封装电阻无法适配高密度PCB的痛点,适用于医疗、工业、通信等多领域的精密电子设备。

二、关键技术参数详解

该电阻的核心参数围绕“高精度、宽温稳定、小型化”设计,具体如下:

1. 阻值与精度

标称阻值40.2kΩ,精度±0.1%——远高于普通厚膜电阻(±1%~±5%),可满足医疗监护仪、精密仪器的信号调理、基准电压电路等对阻值一致性的要求,减少产品校准环节的成本与复杂度。

2. 功率与封装适配

额定功率100mW,适配0603封装(1.60mm×0.80mm×0.45mm)——在小型化封装下实现100mW功率输出,避免因功率不足导致的热漂移或失效,适合通信模块、便携式设备的高密度布局。

3. 温度系数(TCR)

±25ppm/℃——表示温度每变化1℃,阻值变化±25×10⁻⁶,即100℃变化下阻值漂移仅±0.25%,远优于厚膜电阻(通常±100ppm/℃以上),能稳定工作在**-55℃~+155℃宽温区**,适配工业现场、汽车电子等极端环境。

4. 工作温度范围

-55℃~+155℃——覆盖工业级、汽车级温区要求,无需额外降额或散热设计,降低电路复杂度与BOM成本。

三、封装与工艺特性

1. 0603封装优势

  • 体积小:比0805封装小约60%,可显著提升PCB布线密度,适合智能手机、智能穿戴、小型化工业控制器等对空间要求苛刻的产品;
  • 工艺兼容:采用表面贴装工艺,兼容回流焊、波峰焊,生产效率高,适配自动化产线。

2. 薄膜电阻工艺

Viking采用Ni-Cr合金薄膜工艺(比传统碳膜、厚膜更稳定):

  • 激光微调实现高精度:通过精准激光切割薄膜层,保证阻值公差±0.1%;
  • 抗老化能力强:薄膜层厚度均匀,长期使用阻值变化小(典型老化系数≤0.05%/1000小时);
  • 抗机械应力:薄膜结构比厚膜更紧凑,可承受振动、冲击等机械应力。

四、典型应用场景

1. 医疗电子设备

  • 监护仪的心率、血氧信号调理电路:高精度阻值匹配保证信号采集准确;
  • 输液泵的流量控制电路:宽温稳定性确保不同环境下参数一致,避免输液误差。

2. 工业控制与自动化

  • PLC(可编程逻辑控制器)的传感器接口电路:-55℃~+155℃温区适配工厂车间、户外现场;
  • 机器人关节的位置检测电路:高精度阻值减少控制误差,提升运动精度。

3. 通信与网络设备

  • 5G小基站、路由器的射频前端匹配电路:0603封装适配高密度PCB;
  • 光模块的偏置电压电路:宽温稳定性保障信号传输质量,减少误码率。

4. 汽车电子

  • 车载传感器(胎压监测、温度传感器)的信号处理电路:符合汽车级温区要求;
  • 车载娱乐系统的音频调理电路:高精度阻值提升音质一致性。

五、可靠性与环境适应性

该电阻通过多项行业标准测试,可靠性符合严苛要求:

  • 环境测试:符合IEC 60068-2(环境试验)、MIL-STD-202(美军标),通过振动(20G,10~2000Hz)、冲击(100G,1ms)、湿热(85℃/85%RH,1000小时)测试,阻值变化≤0.1%;
  • 长期稳定性:1000小时高温老化(125℃)后,阻值漂移≤0.05%;负载寿命测试(额定功率+70℃)1000小时,阻值变化≤0.1%,适合长期连续工作的设备。

六、选型与应用注意事项

1. 功率降额

实际使用功率建议不超过额定功率的80%(即80mW),避免热过载导致阻值漂移或失效;若电路功率需求超过100mW,需选择更大封装(如0805)的同阻值电阻。

2. 温区匹配

若工作环境温度超过+155℃(如航空航天特殊场景),需选择更高温区的电阻型号;若对温度系数要求更高(如±10ppm/℃),可考虑Viking同系列高精度型号。

3. 焊接注意

  • 回流焊:峰值温度不超过260℃(持续时间≤10秒),避免高温损坏薄膜层;
  • 波峰焊:浸锡时间≤3秒,防止封装变形或焊点不良。

总结

AR03BTCX4022通过薄膜工艺、0603封装与宽温高精度参数的结合,成为精密电子设备中**“小型化”与“高性能”平衡的优选元件**,适配多行业的严苛应用需求,是医疗、工业、通信等领域提升产品精度与可靠性的可靠选择。

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