WMSIC Electronic Components

Viking AR03BTCX4703

ModelAR03BTCX4703
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Viking AR03BTCX4703
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR03BTCX4703
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.023g
Electronic Component
470kΩ
Electronic Component
1
Electronic Component
BM0264480850
Operating Temperature
55℃~+155℃
Electronic Component
±25ppm/℃
Resistor Type
Resistor
Electronic Component
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

AR03BTCX4703 薄膜贴片电阻产品概述

一、产品基本信息

AR03BTCX4703是Viking(光颉) 品牌推出的一款高精度薄膜贴片电阻,型号命名清晰对应核心属性:

  • 前缀“AR03”指向0603封装系列;
  • “BTCX”标识薄膜工艺(区别于厚膜、合金电阻);
  • “4703”代表标称阻值为470kΩ(前三位“470”为有效数字,第四位“3”表示×10³)。

该产品采用行业通用的0603封装,尺寸紧凑(约1.6mm×0.8mm×0.45mm),适配多数小型化电子设备的自动化贴装需求。

二、核心性能参数详解

AR03BTCX4703的性能参数针对性满足精密电路设计需求,关键指标如下:

1. 阻值精度与稳定性

标称阻值470kΩ,精度达**±0.1%**,属于行业高精度电阻范畴——这意味着在常温(25℃)下,实际阻值偏差不超过470Ω,可直接用于对阻值一致性要求严苛的校准回路、采样电路。

2. 额定功率与降额特性

最大额定功率为100mW(常温下),若环境温度升高需参考降额曲线:例如125℃时功率需降至约50mW,155℃时则需降至30mW以内,确保长期可靠性。

3. 温度系数(TCR)

温度系数为**±25ppm/℃**,即温度每变化1℃,阻值变化约为470kΩ×25×10⁻⁶=11.75Ω——温漂极小,可有效抑制宽温环境下的阻值漂移,避免电路性能波动。

4. 工作温度范围

覆盖**-55℃~+155℃**,远超普通民用电阻的温度上限(通常125℃),可适应工业控制、车载电子等恶劣环境(如户外传感器、汽车发动机舱内电路)。

三、封装与工艺优势

1. 0603封装的适配性

体积小、重量轻,支持高速SMT贴装(速度可达10万点/小时以上),适合高密度PCB布局(如智能手机主板、可穿戴设备模块);同时0603封装的散热面积适中,可满足100mW功率下的热管理需求。

2. 薄膜工艺的核心价值

采用真空溅射薄膜技术制备电阻层,相比厚膜电阻具有三大优势:

  • 精度更高:易实现±0.1%及以下精度,一致性更好;
  • 噪声更低:薄膜层的噪声系数约为厚膜的1/3,适合低噪声信号电路(如音频前置放大、射频前端);
  • 长期稳定性:阻值漂移率通常小于0.05%/1000小时,寿命可达10万小时以上。

四、典型应用场景

AR03BTCX4703因高精度、宽温、小体积的特点,广泛应用于以下领域:

1. 精密测试仪器

示波器、信号发生器、高精度万用表的校准电路——需稳定的基准电阻保证测量精度(如电压基准、增益校准回路)。

2. 工业控制模块

传感器信号调理电路(如压力、温度、流量传感器的放大/滤波回路)——需抗温漂电阻避免信号失真,适配-40℃~+85℃的工业环境。

3. 医疗电子设备

便携式血糖仪、小型监护仪的反馈电路——需宽温适应人体接触(37℃)或极端存储环境(-20℃),同时高精度保证检测结果准确。

4. 通信射频设备

基站射频前端的匹配网络、滤波器电路——小体积适配高频PCB布局,低噪声避免信号干扰,宽温适应户外基站的温度波动。

五、品牌与可靠性背书

Viking(光颉)是全球被动元器件领域的专业厂商,其薄膜电阻产品通过以下认证,可靠性得到行业认可:

  • 环保认证:符合RoHS 2.0、REACH等国际环保标准;
  • 汽车级认证:部分型号通过AEC-Q200(汽车电子可靠性标准);
  • 量产管控:每批次产品经过100%电性能测试、温度循环测试,保证批量一致性。

AR03BTCX4703可直接替换同规格的进口品牌电阻(如Yageo、Murata),在成本与性能之间实现平衡,适合大规模工业化生产。

综上,AR03BTCX4703是一款专为精密、宽温、小型化电路设计的高性能薄膜贴片电阻,可满足工业、医疗、通信等多领域的严苛需求。

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