WMSIC Electronic Components

Viking ARG03BTC4121

ModelARG03BTC4121
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 ARG03BTC4121
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
ARG03BTC4121
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.023g
Electronic Component
4.12kΩ
Electronic Component
1
Electronic Component
BM0265636760
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.

光颉Viking ARG03BTC4121精密薄膜电阻产品概述

一、产品定位与核心特性

ARG03BTC4121是光颉(Viking)ARG系列中的高精密薄膜电阻,针对对阻值精度、温度稳定性要求严苛的电子设备设计,核心特性聚焦于「精密控制+宽温可靠+小型化适配」,可替代同类进口精密电阻,满足工业、医疗、通信等领域的批量应用需求。

二、关键参数深度解析

该电阻的核心参数直接决定其应用边界,需结合实际场景理解:

  • 阻值与精度:标称4.12kΩ(型号代码「4121」对应:前3位有效数字412×倍率10¹=4120Ω),精度±0.1%——远高于常规碳膜/金属膜电阻(±1%~±0.5%),可保证电路信号的精准度;
  • 功率与电压:额定功率100mW,最大工作电压75V。实际工作电流需同时满足两个限制:
    ① 功率限制:(I_{max1}=\sqrt{P/R}=\sqrt{0.1W/4120Ω}≈4.9mA);
    ② 电压限制:(I_{max2}=V/R=75V/4120Ω≈18.2mA);
    取较小值,实际安全电流≤4.9mA;
  • 温度系数(TCR):±25ppm/℃——表示每变化1℃,阻值变化量为(4.12kΩ×25×10^{-6}=0.103Ω)(即变化率±0.0025%/℃),宽温下阻值漂移极小;
  • 工作温度:-55℃+155℃——覆盖工业级(-40℃+85℃)、部分汽车级场景,耐极端温湿度波动。

三、封装与可靠性设计

  1. 0603小型化封装:英制尺寸0.06″×0.03″(公制1.6mm×0.8mm),适配高密度PCB布局,适合便携式仪器、穿戴设备等小型化需求;
  2. 薄膜工艺优势:采用镍铬薄膜沉积技术,相比碳膜/金属膜:
    • 阻值分布更窄(批量一致性好,±0.1%精度下偏差极小);
    • 高频寄生参数低(适合射频电路,信号失真小);
    • 长期稳定性高(老化率≤0.05%/1000h,远超普通电阻);
  3. 可靠性验证:符合IEC 61041电阻标准,抗冲击(1000g/1ms)、振动(20g/10~2000Hz)性能满足运输与现场使用,无铅封装符合RoHS环保指令。

四、典型应用场景

ARG03BTC4121的特性使其在以下场景中成为优选:

  1. 精密测量仪器:示波器、数字万用表、频谱分析仪——高精准度保证测量误差控制在极小范围;
  2. 医疗电子设备:监护仪、心电图机、输液泵——宽温稳定性避免诊断误差,符合医疗设备可靠性要求;
  3. 通信射频模块:基站RRU、WiFi6模块、蓝牙设备——低寄生参数适配高频信号处理;
  4. 工业控制电路:PLC模拟量输入、传感器信号调理——宽温工作适应车间-40℃~+85℃环境;
  5. 车载电子:车载信息娱乐系统、ADAS传感器(辅助)——满足车载温湿度变化需求。

五、选型价值与应用注意事项

  • 选型价值:
    ① 性价比优势:光颉ARG系列在同类精密薄膜电阻中成本可控,适合批量替代进口件;
    ② 一致性优势:批量生产阻值偏差≤±0.1%,减少电路调试工作量;
    ③ 兼容性优势:0603封装适配主流贴装设备,无需特殊工艺;
  • 应用注意事项:
    ① 降额使用:实际功率建议不超过80%额定值(≤80mW),延长寿命;
    ② 焊接工艺:采用回流焊(230℃~260℃/30s),避免手工焊接损伤薄膜层;
    ③ 防护要求:避免长期暴露在结露、高湿度(>95%RH)环境,必要时增加灌封防护。

光颉Viking ARG03BTC4121凭借「高精密+宽温稳定+小型化」的综合优势,已成为工业、医疗、通信等领域精密电阻的主流选型之一,可满足从研发到量产的全流程需求。

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