WMSIC Electronic Components

Viking ARG05FTC1243

ModelARG05FTC1243
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Viking ARG05FTC1243
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
ARG05FTC1243
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.029g
Electronic Component
124kΩ
Electronic Component
1
Electronic Component
BM0265636745
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.

Viking光颉ARG05FTC1243薄膜电阻产品概述

Viking光颉ARG05FTC1243是一款针对高精度、宽温域、中小功率场景设计的0805封装薄膜电阻,依托光颉成熟的薄膜溅射工艺,兼顾稳定性、一致性与紧凑性,适用于工业控制、通信、消费电子等多领域的电路设计需求。

一、产品核心定位与工艺优势

ARG05FTC1243属于光颉FTC系列高精度薄膜电阻,核心定位为工业级宽温稳定型电阻。其采用真空溅射薄膜工艺制备电阻层,相比厚膜电阻具有三大优势:

  1. 低噪声:典型噪声电压指数<0.1μV/V,适合音频、传感器信号等低噪声电路;
  2. 小漂移:长期阻值漂移<0.1%/1000小时,优于普通金属膜电阻(通常>0.5%/1000小时);
  3. 高精度一致性:±1%精度与±25ppm/℃温系的组合,可满足批量电路的阻值一致性要求。

二、关键性能参数解析

ARG05FTC1243的参数围绕精度、温稳定性、功率电压三个核心维度优化,具体如下:

  1. 阻值与精度:标称阻值124kΩ(四位数字代码1243对应124×10³Ω),精度±1%,满足工业控制、通信设备对阻值准确性的要求;
  2. 功率与电压:额定功率125mW(0.125W),最大工作电压150V。需注意功率-电压折衷:当电压接近150V时,124kΩ电阻的功耗为150²/124000≈181mW(超额定),实际使用需降额至≤87.5mW(70%降额);
  3. 温度系数(TCR):±25ppm/℃,即温度每变化1℃,阻值变化±25×10⁻⁶。以-55℃~+155℃温差210℃计算,阻值最大变化量为0.525%,结合初始±1%精度,总误差控制在±1.525%以内;
  4. 工作温度范围:-55℃+155℃,覆盖汽车电子辅助系统、工业高温设备(如锅炉监测)的环境要求,远宽于普通民用电阻(-40℃+85℃)。

三、封装与可靠性设计

  1. 封装规格:0805表面贴装封装(英制尺寸,对应公制2012:2.0mm×1.2mm),兼容自动化贴装设备,可显著节省PCB空间,适配高密度电路设计;
  2. 可靠性验证:产品通过光颉内部及第三方测试,包括:
    • 高温存储(155℃×1000小时):阻值漂移<0.1%;
    • 温度循环(-55℃~+155℃×500次):无开路/短路,阻值变化<0.2%;
    • 湿度偏压(85℃/85%RH×1000小时,施加额定电压):性能稳定;
  3. 抗机械应力:薄膜电阻层附着于陶瓷基底,抗振动、抗冲击性能优于碳膜电阻,可应对运输及使用中的机械应力。

四、典型应用领域

ARG05FTC1243的特性使其适用于以下场景:

  1. 工业控制:PLC输入输出模块的信号分压、压力/温度传感器的信号调理偏置电阻;
  2. 通信设备:基站射频前端匹配网络、电源滤波电路的精密电阻;
  3. 消费电子:高端音频设备的信号路径(低噪声)、便携式设备的电源管理电路(紧凑封装);
  4. 汽车电子:座椅调节、车窗控制的传感器电路(宽温域)。

五、选型与使用注意事项

  1. 降额使用:额定功率125mW,建议实际功耗≤87.5mW(70%降额),避免长期过载导致阻值漂移;
  2. 焊接规范:采用回流焊工艺,峰值温度控制在240℃~260℃,焊接时间≤10秒,避免手工焊过热损坏;
  3. 存储条件:开封前存储于-20℃+30℃、40%60%RH环境,开封后建议12个月内使用,避免受潮影响性能。

ARG05FTC1243通过平衡精度、温稳定性与封装尺寸,成为中小功率高精度电路的可靠选择,可满足多数工业及消费电子领域的设计需求。

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