WMSIC Electronic Components

Viking ARG05BTC3003

ModelARG05BTC3003
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Viking ARG05BTC3003
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
ARG05BTC3003
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.029g
Electronic Component
300kΩ
Electronic Component
1
Electronic Component
BM0264480938
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.

ARG05BTC3003 薄膜贴片电阻产品概述

ARG05BTC3003是Viking(光颉)推出的一款高精度薄膜贴片电阻,针对对阻值精度、温度稳定性及小体积有严格要求的电子设计场景,凭借优异的电气性能与可靠性,成为工业控制、精密仪器、医疗电子等领域的常用元件。

一、产品定位与核心优势

作为薄膜电阻系列的典型型号,ARG05BTC3003的核心优势集中在高精度、宽温稳定、小封装适配三个维度:

  1. 高精度表现:阻值精度达±0.1%,远高于普通碳膜/金属膜电阻(通常±1%~±5%),可满足精密分压、电流采样等对阻值一致性要求苛刻的电路;
  2. 低温度漂移:温度系数(TCR)仅±25ppm/℃,意味着温度每变化1℃,阻值变化不超过0.0025%,在宽温环境下仍能保持稳定输出;
  3. 小体积高密度:采用0805封装(英制尺寸2.0mm×1.2mm),适配自动化贴装,适合PCB布局紧凑的设备(如便携式仪器、通信模块);
  4. 宽温可靠性:工作温度范围覆盖-55℃~+155℃,符合工业级环境要求,可在极端高低温场景下长期稳定工作。

二、关键电气参数详解

ARG05BTC3003的核心参数经过严格校准,以下为关键参数的实际意义与应用价值:

1. 阻值与精度

  • 标称阻值:300kΩ(300×10³Ω);
  • 精度等级:±0.1%(即阻值偏差在299.7kΩ~300.3kΩ之间);
  • 应用价值:在高精度电压测量电路中(如万用表的分压臂),可减少测量误差;在电流采样电路中(如运算放大器的反馈网络),能提升信号检测的准确性。

2. 功率与电压限制

  • 最大耗散功率:125mW(0.125W);
  • 最大工作电压:150V;
  • 注意事项:两者需同时满足(如300kΩ电阻在150V下的实际功率为150²/300000=75mW,小于125mW,符合安全要求);实际使用时建议功率降额至70%~80%,延长元件寿命。

3. 温度系数(TCR)

  • 典型值:±25ppm/℃;
  • 定义:温度每升高1℃,阻值相对变化的百万分比;
  • 应用价值:在户外设备、车载电子等宽温场景中,可避免因温度变化导致的信号漂移,提升系统稳定性。

4. 工作温度范围

  • 存储温度:-55℃~+155℃;
  • 工作温度:-55℃~+155℃;
  • 可靠性:通过高低温循环测试(-55℃~+155℃,循环1000次),可在极端环境下长期稳定工作。

三、封装与可靠性设计

ARG05BTC3003采用0805贴片封装,兼具小体积与高可靠性:

  1. 封装结构:采用陶瓷基片+镍铬薄膜电阻层+镍锡电极的三层结构,相比碳膜电阻,薄膜层更均匀,噪声更低(典型噪声电压<0.1μV/√Hz);
  2. 焊接可靠性:电极镀层适配无铅回流焊工艺,焊接温度范围(220℃~260℃)符合IPC标准,可避免虚焊、脱落等问题;
  3. 环保合规:符合RoHS 2.0及REACH标准,无铅、无镉、无汞等有害物质,适配绿色电子设计需求。

四、典型应用场景

ARG05BTC3003的性能特性使其适用于以下核心场景:

  1. 精密测量仪器:示波器、频谱分析仪的信号衰减电路,万用表的分压网络;
  2. 工业控制模块:PLC(可编程逻辑控制器)的模拟量输入/输出电路,温度传感器信号调理电路;
  3. 医疗电子设备:监护仪的心率/血压信号放大电路,血糖仪的电流检测电路;
  4. 通信设备:基站射频前端的偏置电路,路由器的电源滤波电路;
  5. 汽车电子(辅助系统):车载摄像头的信号处理电路,胎压监测系统的传感器接口电路。

五、选型与使用注意事项

为确保ARG05BTC3003的长期可靠性,使用时需注意以下几点:

  1. 功率降额:实际工作功率建议不超过90mW(125mW×72%),避免因过热导致阻值漂移;
  2. 电压限制:严禁超过150V工作电压,否则可能导致电阻击穿或烧毁;
  3. 焊接工艺:回流焊时需遵循厂商提供的温度曲线(预热区150℃180℃,恒温区220℃240℃),避免热应力损伤电阻层;
  4. 存储条件:存储于温度25℃±5℃、湿度<60%的干燥环境,开封后建议12个月内使用完毕;
  5. 精度匹配:若需构建电阻网络(如电桥电路),建议选择同批次、同TCR的ARG05BTC3003,提升网络一致性。

总结:ARG05BTC3003凭借高精度、宽温稳定、小体积等特性,成为工业级、精密电子领域的高性价比选择,可有效提升电路的测量精度与系统可靠性。

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