WMSIC Electronic Components

Viking ARG03FTC4992

ModelARG03FTC4992
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 ARG03FTC4992
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
ARG03FTC4992
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
49.9kΩ
Electronic Component
1
Electronic Component
BM0263676901
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.

Viking光颉ARG03FTC4992薄膜贴片电阻产品概述

一、产品核心定位与基础属性

Viking光颉ARG03FTC4992是一款0603封装精密薄膜贴片电阻,专为高密度、高稳定性电子电路设计。该产品以49.9kΩ标称阻值、±1%精度为核心参数,继承光颉薄膜电阻的工艺优势,适配工业控制、消费电子、医疗设备等多领域需求,兼顾体积小型化与性能可靠性。

二、关键电气性能参数详解

2.1 阻值与精度

标称阻值为49.9kΩ,精度等级达**±1%**——该精度无需额外校准,可直接用于信号调理、分压电路等对阻值偏差敏感的场景,降低电路设计复杂度。

2.2 功率与功耗

最大额定功率为100mW,符合0603封装贴片电阻的常规功率规格。实际应用需遵循温度降额原则:环境温度超过25℃时,需根据温度系数适当降低工作功率(如125℃时降额至70%左右)。

2.3 工作电压与耐压

最大工作电压为75V,是重要安全参数——电路中需确保电阻两端电压不超过此值,避免绝缘击穿或性能退化。

2.4 温度系数(TCR)

温度系数为**±25ppm/℃**,属于薄膜电阻的低TCR范围。该参数表示:温度每变化1℃,阻值变化量约为49.9kΩ×25ppm≈1.25Ω,远优于碳膜电阻(通常>500ppm/℃),适配温度波动较大的工业环境。

三、封装与物理特性

ARG03FTC4992采用0603英制封装(对应公制1608,长1.6mm×宽0.8mm),体积小巧,可有效节省PCB空间,适配手机、基站等高密度布局设计。封装结构为耐高温陶瓷基片+金属薄膜电阻层,焊接兼容性强,支持回流焊、波峰焊等常规贴片工艺,焊接后无虚焊、脱落风险。

四、适用场景与应用优势

4.1 核心应用场景

  • 工业控制:PLC模块、传感器信号调理(耐温-55~155℃适配工业级环境);
  • 消费电子:智能手机电源管理、音频电路(小体积适配便携设备);
  • 医疗设备:监护仪、血糖仪信号放大(精度满足医疗级要求);
  • 通信设备:基站射频前端、光纤收发器偏置电路(低TCR保障信号稳定)。

4.2 应用优势

  1. 温漂极小:±25ppm/℃的TCR确保温度变化时阻值稳定,减少电路参数漂移;
  2. 精度可靠:±1%精度无需校准,降低BOM成本与调试难度;
  3. 体积紧凑:0603封装适配高密度PCB,符合电子设备小型化趋势;
  4. 耐候性强:薄膜电阻层抗硫化、抗潮湿,优于碳膜电阻的环境适应性。

五、可靠性与环境适应性

ARG03FTC4992的工作温度范围为**-55℃~+155℃**,覆盖工业级温度要求,可在极端高温/低温环境下连续工作。此外,薄膜电阻结构耐老化,长期使用阻值变化率<0.1%(1000小时高温老化后),可靠性远超普通碳膜电阻。

六、选型与应用注意事项

  1. 功率降额:环境温度超过25℃时,需按TCR曲线调整工作功率(参考光颉官方降额表);
  2. 电压限制:电路中需设置过压保护,避免电阻两端电压超过75V;
  3. 焊接工艺:回流焊峰值温度控制在240~260℃(时间≤30s),避免高温损伤电阻层;
  4. 存储条件:未焊接电阻需存储在1535℃、湿度4060%的干燥环境,避免受潮影响焊接性。

ARG03FTC4992凭借高稳定性、小体积与宽温适应性,成为精密电子电路中替代普通碳膜电阻的理想选择,尤其适合对精度、可靠性要求严格的工业与医疗领域。

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