WMSIC Electronic Components

Viking ARG03FTC4990

ModelARG03FTC4990
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Viking ARG03FTC4990
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
ARG03FTC4990
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
499Ω
Electronic Component
1
Electronic Component
BM0264911648
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.

ARG03FTC4990 薄膜贴片电阻产品概述

ARG03FTC4990是Viking(光颉) 推出的通用型薄膜贴片电阻,采用0603(1608公制)小封装设计,针对需要稳定性能、中等精度的小信号电路场景优化,兼顾成本与可靠性,广泛适配工业控制、消费电子等领域。

一、产品定位与核心属性

ARG03FTC4990属于薄膜电阻类别,区别于碳膜电阻的低成本低精度、金属膜电阻的高精度高成本,其核心定位是「平衡精度、稳定性与成本的通用小功率电阻」。产品聚焦小信号电路的阻值稳定需求,支持宽温度范围工作,适合对温漂敏感但无需超高端精度的应用场景。

二、关键性能参数详解

ARG03FTC4990的参数设计围绕「小信号电路稳定传输」展开,核心参数如下:

1. 阻值与精度

  • 标称阻值:499Ω(非标准常用阻值,替代500Ω±1%时可提升电路精准度,避免500Ω的偏差累积,适配对阻值匹配要求较高的信号链路);
  • 精度等级:±1%(高于普通碳膜电阻的±5%/±10%,满足信号调理、逻辑电路的阻值一致性要求,减少批量产品的性能差异)。

2. 功率与电压

  • 额定功率:100mW(小功率设计,适配传感器信号调理、逻辑上拉/下拉、LED小电流驱动等场景,无需额外降额使用);
  • 最大工作电压:75V(直流/交流峰值电压,覆盖12V/24V/48V等主流低中压系统,可直接用于大多数消费电子与工业低压电路)。

3. 温度特性与工作范围

  • 温度系数(TC):±25ppm/℃(温度变化时阻值漂移小,例如环境温度从-55℃升至155℃,阻值变化约0.525%,仍在±1%精度范围内,保证宽温环境下电路性能稳定);
  • 工作温度范围:-55℃~+155℃(工业级宽温设计,适配户外、车载、高温工业设备等 harsh 环境,无需额外散热或温度补偿)。

三、封装与可靠性设计

ARG03FTC4990采用0603封装(英制代码,对应公制1608,尺寸1.6mm×0.8mm×0.4mm),具备以下优势:

  1. 高密度PCB适配:小尺寸支持高密度布线,适合手机、智能穿戴、小型工业模块等小型化产品;
  2. 焊接兼容性:适配回流焊、波峰焊等主流贴片工艺,耐焊接热性能符合J-STD-020标准,可通过无铅焊接流程;
  3. 机械稳定性:采用镍铬合金电阻层+高纯度陶瓷基底的薄膜结构,抗机械应力与环境腐蚀,长期使用不易出现阻值漂移或开路。

四、典型应用场景

ARG03FTC4990因参数适配性强,广泛应用于以下场景:

  1. 工业传感器信号调理:温度传感器(PT100)分压电路、压力传感器信号放大的限流电阻、流量传感器的信号滤波电阻;
  2. 消费电子小信号电路:手机/平板按键电路的上拉电阻、蓝牙耳机的充电状态指示LED限流、智能音箱的音频前置放大电阻;
  3. 汽车电子辅助电路:车载中控的低功率逻辑电路、胎压监测系统的信号传输匹配电阻、倒车雷达的传感器信号调理电阻;
  4. 通信设备接口:路由器UART接口的上拉电阻、物联网模块I2C总线的终端匹配电阻、5G小基站的射频前端小信号电阻。

五、选型适配说明

ARG03FTC4990的适用边界清晰,选型时需注意:

  • ✅ 适配:小功率(≤100mW)、中等精度(±1%)、宽温(-55~155℃)、低中压(≤75V)场景;
  • ❌ 不适用:大功率(>100mW)、超高精度(±0.1%)、高压(>75V)、高频(>1GHz)场景(需选金属膜、功率电阻、高压电阻或高频薄膜电阻)。

若需替代选型,可参考光颉同系列ARG03FTC5000(500Ω±1%),但499Ω更适合对精准度要求略高的电路设计(如精密分压电路)。

整体来看,ARG03FTC4990是一款「性价比突出的通用薄膜贴片电阻」,在稳定性能与成本之间取得平衡,是工业与消费电子领域小信号电路的常用选型。

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