WMSIC Electronic Components

Viking ARG05BTC4702

ModelARG05BTC4702
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 ARG05BTC4702
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
ARG05BTC4702
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.029g
Electronic Component
47kΩ
Electronic Component
1
Electronic Component
BM0264480931
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.

ARG05BTC4702 薄膜贴片电阻产品概述

一、产品定位与核心优势

ARG05BTC4702是Viking(光颉)推出的0805封装薄膜贴片电阻,聚焦「高精度、高稳定性、宽温适应性」三大核心需求,填补了小体积与高性能的平衡空白。其设计初衷是满足工业控制、医疗电子、精密仪器等领域对电阻性能的严苛要求,无需额外校准即可实现长期稳定工作。

二、关键性能参数深度解析

ARG05BTC4702的参数围绕「稳定可靠」展开,核心参数的实际意义需结合应用场景理解:

  • 阻值与精度:标准阻值47kΩ,精度±0.1%——远高于普通电阻(±1%~±5%),可直接用于分压、反馈电路,减少系统校准环节;
  • 温度系数:±25ppm/℃——温度每变化1℃,阻值漂移仅约1.175Ω(47kΩ×25×10⁻⁶),即使在-55℃~+155℃宽温范围,阻值波动可忽略,适合极端环境;
  • 功率与电压:额定功率125mW(0805封装常规功率多为100mW),工作电压150V——功率密度提升25%,高压耐受能力是普通同封装电阻的3~6倍,覆盖高压小电流场景;
  • 工作温度范围:-55℃~+155℃——符合工业级与汽车级标准,无需额外降额即可应对恶劣环境。

三、封装与可靠性设计

ARG05BTC4702采用0805标准贴片封装(尺寸2.0mm×1.25mm),适配自动化SMT生产,兼容多数PCB设计。其薄膜电阻工艺带来三大可靠性优势:

  1. 低噪声特性:薄膜电阻的噪声系数远低于碳膜、金属膜,适合低噪声信号调理电路;
  2. 抗老化性能:通过155℃×1000小时高温老化、-55℃~+155℃×1000次温度循环测试,阻值漂移控制在0.1%以内;
  3. 机械稳定性:陶瓷基片+环氧树脂涂层封装,抗振动、抗冲击能力符合IEC 60068-2标准,可应对工业现场机械应力。

四、典型应用场景

结合参数特性,ARG05BTC4702的核心应用场景包括:

  1. 精密测量仪器:示波器、万用表的分压电路、基准电压源反馈网络,利用高精度与低漂移保证测量精度;
  2. 医疗电子设备:监护仪、血糖仪的信号放大电路,低噪声特性避免干扰,宽温范围适应设备工作环境;
  3. 工业控制电路:PLC模拟量输入输出模块、传感器信号调理电路,高稳定性减少系统误差;
  4. 汽车电子:胎压监测(TPMS)、车载传感器信号处理电路,宽温范围满足舱内/外温度变化;
  5. 通信设备:射频前端匹配网络、电源滤波电路,小体积适配高密度PCB设计。

五、选型与使用注意事项

为保障性能与寿命,使用时需注意:

  1. 功率降额:建议实际功率不超过额定值的70%(87.5mW),避免长期满功率老化;
  2. 电压限制:工作电压不得超过150V,防止绝缘击穿;
  3. 焊接工艺:回流焊峰值温度245℃±5℃,时间≤10秒,避免过热损坏薄膜层;
  4. 存储条件:常温(15℃~35℃)、干燥(湿度≤60%)环境,开封后12个月内使用完毕;
  5. 批次一致性:差分电路、桥路等需阻值匹配场景,建议选同批次产品,保证温度系数一致。

ARG05BTC4702凭借「小封装+高性能」的平衡设计,成为中高端电子设备中替代普通贴片电阻的优选方案,尤其适合对精度、稳定性要求严苛的工业与医疗领域。

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