WMSIC Electronic Components

Viking ARG03FTC4301

ModelARG03FTC4301
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 ARG03FTC4301
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
ARG03FTC4301
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
4.3kΩ
Electronic Component
1
Electronic Component
BM0265636682
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.

ARG03FTC4301 薄膜贴片电阻产品概述

ARG03FTC4301是Viking(光颉)推出的0603封装精密薄膜贴片电阻,针对小功率、高精度、宽温适应性需求设计,广泛应用于便携式电子、工业控制、汽车电子等领域。以下从核心参数、封装特性、电性能、环境可靠性及应用场景等维度展开概述。

一、产品核心定位与关键参数

ARG03FTC4301属于精密薄膜电阻范畴,区别于厚膜电阻的陶瓷厚膜工艺,采用薄膜沉积技术实现更高的阻值稳定性与精度。其核心参数明确:

  • 阻值:4.3kΩ(标称值);
  • 精度:±1%(精密级,满足多数信号调理电路的准确需求);
  • 额定功率:100mW(0.1W,适用于小功率信号电路);
  • 最大工作电压:75V(两端允许的最大电压差);
  • 温度系数(TCR):±25ppm/℃(阻值随温度变化的稳定性指标);
  • 工作温度范围:-55℃~+155℃(覆盖工业级宽温场景);
  • 封装:0603(英制尺寸,公制1608:1.6mm×0.8mm)。

二、封装与物理特性

0603封装是ARG03FTC4301的核心物理特征,适配高密度PCB布局:

  1. 尺寸与重量:体积仅1.6mm×0.8mm×0.4mm(典型),重量约0.01g,可大幅缩小电路体积,适合便携式设备(如智能手表、蓝牙耳机)的小型化设计;
  2. 贴装兼容性:支持标准回流焊、激光焊工艺,焊接温度曲线需符合0603封装规范(峰值温度240℃~260℃,恒温时间≤10s),波峰焊需注意引脚浸润性(建议使用免清洗焊锡膏);
  3. 结构可靠性:采用陶瓷基片+薄膜电阻层+防护涂层的三层结构,抗机械应力性能优于部分插件电阻,可承受振动频率10Hz~2000Hz、加速度10g的环境。

三、电性能参数详解

ARG03FTC4301的电性能围绕精度、稳定性、功率/电压承载展开:

  1. 阻值精度与稳定性:±1%的精度可满足工业传感器信号分压、通信设备偏置电路的准确要求;结合±25ppm/℃的TCR,当环境温度从25℃升至155℃(变化130℃),阻值变化量仅约14Ω(4.3kΩ×25e-6×130),远低于普通厚膜电阻(TCR通常±100ppm/℃以上);
  2. 功率与电压承载:额定功率100mW是持续工作的最大功率限制,实际应用中建议降额至80mW(80%额定值)以延长寿命;最大工作电压75V与阻值结合,可计算最大允许电流约17.4mA(75V/4.3kΩ),需确保电路中电流不超过此值;
  3. 噪声特性:薄膜电阻因工艺特性,具有低噪声(典型值< -40dB),适合音频电路、微弱信号放大电路。

四、环境适应性与可靠性

ARG03FTC4301的宽温与耐环境性能是其核心竞争力:

  1. 宽温工作能力:-55℃+155℃的工作范围覆盖了工业级(-40℃85℃)、汽车电子部分高温场景(如发动机舱周边,部分需125℃以上),可在极端温度下保持阻值稳定;
  2. 耐湿与耐腐蚀性:防护涂层采用环氧树脂或硅树脂,可承受相对湿度95%RH(40℃)的环境,满足沿海地区、潮湿车间的应用需求;
  3. 寿命与可靠性:在额定条件下,MTBF(平均无故障时间)可达10^6小时以上,符合IEC 60115-1等电阻标准的可靠性要求。

五、典型应用场景

ARG03FTC4301因体积小、精度高、宽温适应,广泛应用于以下领域:

  1. 便携式电子:智能手机的触摸信号分压、蓝牙耳机的充电限流电路;
  2. 工业控制:PLC模拟量输入模块的信号调理、温度传感器的信号放大偏置;
  3. 汽车电子:车载仪表盘的背光调节电路、胎压监测模块的信号处理;
  4. 通信设备:5G基站的射频前端偏置、路由器的电源滤波;
  5. 医疗设备:小型血糖检测仪的信号放大、心电图机的前置电路。

六、选型与应用注意事项

为确保ARG03FTC4301的可靠使用,需注意以下要点:

  1. 功率降额:避免持续工作在100mW额定功率下,建议降额至80%(80mW),尤其是高温环境(125℃以上)需进一步降额至70%;
  2. 静电防护:薄膜电阻对静电敏感(ESD敏感度约2kV),生产、测试过程需佩戴防静电手环,使用防静电包装;
  3. 焊接工艺:回流焊时需控制升温速率(≤2℃/s),避免热冲击导致电阻层损坏;
  4. 温区匹配:若应用环境温度超过155℃,需更换更高温区(如175℃)的电阻型号(如光颉ARG系列高温款)。

综上,ARG03FTC4301是一款平衡了体积、精度、宽温适应性的薄膜贴片电阻,适合对空间、稳定性要求较高的电子设备设计。

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