WMSIC Electronic Components

Viking AR05BTCW24R9

ModelAR05BTCW24R9
Package0805
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 AR05BTCW24R9
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR05BTCW24R9
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.029g
Electronic Component
24.9Ω
Electronic Component
1
Electronic Component
BM0265378853
Operating Temperature
55℃~+155℃
Operating Voltage
150V
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.

AR05BTCW24R9 薄膜贴片电阻产品概述

一、产品核心定位与基础信息

AR05BTCW24R9是Viking(光颉)电子推出的0805封装高精度薄膜贴片电阻,属于该品牌小功率高精密电阻系列的典型产品。其核心定位是满足电子电路中对阻值精度、温度稳定性、小型化设计有较高要求的应用场景,尤其适用于工业控制、汽车电子、医疗设备等领域的信号调理、传感器接口等电路模块。

基础信息梳理:

  • 品牌:Viking(光颉)
  • 产品型号:AR05BTCW24R9
  • 电阻类型:薄膜电阻(镍铬基薄膜工艺)
  • 封装规格:0805(英制:0.08″×0.05″,公制:2.0mm×1.25mm)
  • 核心阻值:24.9Ω

二、关键性能参数详解

AR05BTCW24R9的性能参数针对高精密应用场景做了针对性优化,核心参数及实际意义如下:

2.1 阻值与精度

阻值为24.9Ω,精度等级**±0.1%**——该精度远高于普通碳膜电阻(通常±1%~±5%),可直接用于精密计量电路、模拟信号放大模块,无需额外校准即可保证电路输出精度。

2.2 功率与耐压

  • 额定功率:125mW(0.125W),满足多数低功耗电子设备的功率需求;
  • 最大工作电压:150V,支持高电压低电流场景(如传感器偏置电路、高压信号检测),避免因电压过高导致电阻击穿。

2.3 温度特性

温度系数(TCR)为**±25ppm/℃**——薄膜电阻的核心优势之一,意味着每变化1℃,阻值变化仅为24.9Ω×25×10⁻⁶≈0.0006225Ω。在宽温区(-55℃~+155℃)下,总阻值变化约0.131Ω(相对变化0.526%),可有效避免环境温度波动对电路性能的影响。

2.4 工作温度范围

覆盖**-55℃~+155℃**,符合工业级、汽车级电子设备的环境温度要求,可在极端温差场景下稳定工作。

三、封装与制造工艺

3.1 0805封装特性

0805封装是贴片电阻的主流小型化封装之一,具有以下优势:

  • 尺寸紧凑:仅2.0mm×1.25mm,可大幅节省PCB空间,适配便携式设备、高密度电路板设计;
  • 表面贴装兼容:支持自动化SMT生产,提高生产效率,降低人工成本;
  • 散热性能:陶瓷基片散热快,可在额定功率下长期稳定工作。

3.2 薄膜电阻制造工艺

AR05BTCW24R9采用镍铬基薄膜沉积工艺:在高纯度氧化铝陶瓷基片上,通过真空溅射沉积镍铬合金薄膜,再经光刻、蚀刻、激光微调等工艺精确调整阻值,相比碳膜、金属氧化膜电阻,具有:

  • 阻值一致性更好(批次差异小);
  • 温度系数更低;
  • 长期稳定性更高(无阻值漂移)。

四、适用场景与应用优势

4.1 典型应用场景

  1. 工业控制电路:传感器信号调理模块、PLC输入输出接口、电机驱动的电流采样;
  2. 汽车电子:车载传感器(压力、温度传感器)的偏置电路、小功率执行器的限流;
  3. 医疗电子:小型医疗设备(血糖仪、监护仪)的信号放大、电压基准电路;
  4. 消费电子:音频设备的分频网络、高精度测量仪器(万用表)的校准电阻。

4.2 核心应用优势

  1. 高精度保障:±0.1%精度满足精密电路设计要求,减少后期校准成本;
  2. 宽温稳定:±25ppm/℃ TCR+宽温范围,适应极端环境下的稳定工作;
  3. 小型化适配:0805封装支持高密度PCB设计,符合电子设备轻薄化趋势;
  4. 高可靠性:Viking光颉工艺成熟,产品通过高温老化、湿热循环等测试,批次一致性好。

五、可靠性与环保特性

5.1 可靠性验证

AR05BTCW24R9经过严格测试:

  • 高温老化:155℃下工作1000小时,阻值漂移≤0.1%;
  • 湿热循环:-55℃~+155℃循环500次,性能无衰减;
  • 耐电压测试:150V下工作1分钟,无击穿、漏电。

5.2 环保特性

符合RoHS 2.0标准,不含铅、镉、汞等有害物质,适配全球市场环保要求。

该产品凭借高精度、宽温稳定、小型化等优势,成为工业、汽车、医疗等领域高精密电路设计的优选元件。

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