WMSIC Electronic Components

Viking AR03BTCX49R9

ModelAR03BTCX49R9
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 AR03BTCX49R9
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR03BTCX49R9
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.023g
Electronic Component
49.9Ω
Electronic Component
1
Electronic Component
BM0264231366
Operating Temperature
55℃~+155℃
Operating Voltage
75V
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.

AR03BTCX49R9 薄膜贴片电阻产品概述

一、产品核心身份与定位

AR03BTCX49R9是Viking(光颉)品牌推出的一款0603封装薄膜贴片电阻,属于高精度小功率电阻系列。该产品以稳定的阻值性能、宽温适应性为核心特点,主要面向对阻值精度、温度稳定性有较高要求的电子电路设计场景,兼顾小体积贴装的便捷性,是工业控制、医疗仪器、通信设备等领域的优选元件。

二、关键性能参数详解

1. 阻值与精度表现

产品标称阻值为49.9Ω,精度等级达**±0.1%**,属于高精度电阻范畴——相比常规±1%、±5%电阻,其阻值偏差更小,能满足精密电路中对信号传输、分压/分流的准确控制需求,避免因阻值偏差导致的电路性能波动(如传感器测量误差、电源输出不稳定)。

2. 功率与电压承载能力

额定功率为100mW,工作电压上限为75V,可稳定适配小功率电子电路(如信号调理、低功耗控制回路)的功率需求;实际应用中建议遵循功率降额原则(通常不超过额定功率的80%),进一步提升长期可靠性,避免过功率老化导致阻值漂移。

3. 温度系数与宽温适应性

温度系数(TCR)为**±25ppm/℃,意味着温度每变化1℃,阻值变化量仅为标称值的25×10^-6,温度稳定性优异;工作温度范围覆盖-55℃~+155℃**,可适应工业级环境(如低温户外设备、高温车载电子)的极端温度变化,无需额外散热或温度补偿设计,降低电路复杂度。

三、封装与物理特性

采用0603封装(英制尺寸:0.06英寸×0.03英寸,公制尺寸:1.6mm×0.8mm),属于小型贴片封装,具有以下优势:

  • 体积紧凑:节省PCB布局空间,适合高密度电路设计(如智能手机、智能穿戴设备);
  • 贴装便捷:兼容自动化SMT贴装工艺,生产效率高,降低人工成本;
  • 机械稳定性:贴片结构抗振动、抗冲击性能优于直插电阻,适应车载、工业机器人等振动环境。

四、典型应用场景

AR03BTCX49R9的性能特点使其适配多种精密电子领域:

  1. 工业控制与传感器:用于温度、压力传感器的信号调理电路,精准分压/分流以提高测量精度;
  2. 通信设备:基站、路由器中的滤波网络、阻抗匹配电路,保证信号传输的稳定性;
  3. 医疗仪器:监护仪、血糖仪等设备的精密测量回路,满足医疗级精度要求;
  4. 消费电子:智能手机、平板电脑的电源反馈回路、音频电路,兼顾小体积与性能;
  5. 汽车电子:车载中控、传感器模块,适应车载环境的宽温与振动需求。

五、品牌与可靠性优势

Viking(光颉)作为专业电子元器件制造商,在电阻领域拥有成熟的薄膜电阻工艺:

  • 薄膜电阻采用真空溅射技术制备,阻值一致性好,批次间偏差极小;
  • 产品经过严格的可靠性测试(如高温老化、湿度循环、振动测试),符合RoHS、REACH等环保标准;
  • 广泛应用于工业、医疗、汽车等高端领域,品质得到市场验证。

六、使用与选型注意事项

  1. 焊接工艺:回流焊峰值温度不超过260℃,焊接时间不超过10秒;波峰焊温度不超过240℃,避免高温损坏电阻薄膜层;
  2. 储存条件:未开封产品建议储存在温度0~40℃、相对湿度≤60%的干燥环境中,开封后尽快使用(通常12个月内);
  3. 电路设计:根据实际功率需求选择合适的降额比例,避免过功率工作导致阻值漂移;
  4. 选型匹配:若需更高精度(如±0.05%)或更大功率,可参考Viking同系列其他型号(如AR05BTCX49R9)。

该产品凭借高精度、宽温稳定、小体积等优势,可有效解决精密电路中对电阻性能的严苛要求,是电子设计中可靠的元件选择。

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