WMSIC Electronic Components

Viking ARG03BTC49R9

ModelARG03BTC49R9
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 ARG03BTC49R9
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
ARG03BTC49R9
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
BM0253010937
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.

ARG03BTC49R9 贴片薄膜电阻产品概述

一、产品核心定位与品牌背景

ARG03BTC49R9是台湾光颉(Viking)电子推出的0603封装高精度薄膜贴片电阻,属于其ARG系列精密电阻产品线。光颉作为专注被动元件研发制造的厂商,ARG系列主打“小封装+高精密+宽温区”特性,ARG03BTC49R9针对需要稳定阻值控制的场景设计,解决普通电阻精度不足、温漂大的问题,是工业级、医疗级等精密电路的优选元件。

二、关键电气性能参数解析

ARG03BTC49R9的核心参数围绕“精密稳定”展开,具体如下:

  1. 阻值与精度:标称阻值49.9Ω,精度±0.1%——比常规0603封装电阻(多为1%、0.5%精度)高10倍以上,可直接用于无需额外校准的精密信号链路(如传感器输出、基准电压分压);
  2. 功率与电压:额定功率100mW,最大工作电压75V——0603封装下功率满足小信号电路需求,75V电压上限高于同封装普通电阻(多为50V以下),降低高压击穿风险;
  3. 温度系数(TC):±25ppm/℃——温度变化1℃时,阻值漂移仅0.0025%;若工作环境温差达210℃(-55℃→155℃),总阻值漂移约0.525%,远低于普通电阻(TC多为±100ppm/℃以上),确保温变场景下阻值稳定。

三、封装与物理特性

ARG03BTC49R9采用0603英制贴片封装,对应公制尺寸为1.6mm(长)×0.8mm(宽)×0.45mm(厚),符合行业标准:

  • 无引脚设计,适配SMT自动化贴装,生产效率高;
  • 封装材料采用耐高温环氧树脂,可承受回流焊高温(260℃/10s),无开裂风险;
  • 表面镀镍-锡电极,焊接兼容性好,与PCB焊盘结合力强,长期使用不易脱焊。

四、环境适应性与可靠性

该电阻的环境适应性覆盖工业级场景需求:

  1. 工作温度范围:-55℃~+155℃——支持极端低温(如寒带户外设备)和高温(如汽车发动机舱周边)环境;
  2. 可靠性验证:通过光颉内部“高温存储(155℃/1000h)”“温度循环(-55~155℃/1000次)”“湿度加载(85℃/85%RH/1000h)”等测试,阻值变化率≤0.1%,符合IEC 61000国际标准;
  3. 抗干扰性:薄膜电阻低噪声特性(比碳膜电阻低约10dB),适合弱信号放大、高精度测量电路,减少噪声干扰。

五、典型应用场景

ARG03BTC49R9的特性使其在以下场景中表现突出:

  1. 精密仪器仪表:示波器、函数发生器的校准电阻,万用表的基准分压电阻;
  2. 医疗电子设备:监护仪的心率/血氧传感器信号调理电路,输液泵的流量控制电阻;
  3. 工业控制:PLC模拟量输入输出模块的采样电阻,伺服电机的电流反馈电阻;
  4. 汽车电子:胎压监测系统(TPMS)的传感器接口电阻,车载音响的信号衰减电阻;
  5. 高端消费电子:Hi-Fi音频设备的均衡电路,智能穿戴的传感器信号处理电阻。

六、选型与应用注意事项

  1. 功率降额:实际工作功率建议不超过额定值的80%(即80mW),避免长期过热导致阻值漂移;
  2. 电压降额:峰值电压需控制在75V以内,若电路存在瞬态高压(如ESD),需搭配TVS等保护元件;
  3. 精度匹配:若仅需1%精度,可选择光颉同系列低精度型号,降低成本;
  4. 贴装工艺:0603封装需使用精度≥±0.05mm的贴装设备,避免偏移导致焊接不良;
  5. 存储条件:未开封产品需存放在温度25±5℃、湿度40%~60%的环境中,开封后建议12个月内使用完毕。

ARG03BTC49R9以“高精密+宽温区+小封装”的综合优势,成为精密电子系统中替代普通电阻的可靠选择,尤其适合对阻值稳定性要求苛刻的工业、医疗、汽车等领域。

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