WMSIC Electronic Components

Viking AR03BTCX4303

ModelAR03BTCX4303
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 AR03BTCX4303
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR03BTCX4303
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.023g
Electronic Component
430kΩ
Electronic Component
1
Electronic Component
BM0265636724
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.

AR03BTCX4303 薄膜贴片电阻产品概述

AR03BTCX4303是Viking(光颉)推出的高精度小型化薄膜贴片电阻,针对对阻值稳定性、精度要求严苛的电子电路设计,采用0603封装实现高密度集成,适用于工业控制、通信、汽车电子等多场景。

一、产品核心身份与定位

该型号属于薄膜电阻类别,区别于碳膜、金属膜电阻,通过真空镀膜工艺形成电阻层,具有阻值精度高、温度系数低、长期稳定性好等核心优势。AR03BTCX4303定位为“小型化高精度电阻”,主打0603封装的紧凑体积与±0.1%的高精准度,满足消费电子、工业设备向小型化、高性能升级的需求。

二、关键技术参数深度解析

1. 阻值与精度

  • 标称阻值:430kΩ(采用3位电阻编码“4303”表示,即430×10³Ω);
  • 精度等级:±0.1%(属于高精度电阻范畴,远高于常规1%、0.5%精度,可有效减少电路信号失真)。

2. 功率与电压额定值

  • 额定功率:62.5mW(0603封装的典型功率规格,适用于小功率电路,如传感器信号调理、偏置电路等);
  • 工作电压:75V(额定电压,使用时需确保电路工作电压不超过此值,避免击穿损坏)。

3. 温度特性

  • 温度系数(TCR):±25ppm/℃(温度每变化1℃,阻值变化约为430kΩ×25×10⁻⁶=10.75Ω,漂移量极小,适合温度波动场景);
  • 工作温度范围:-55℃~+155℃(覆盖工业级宽温要求,可在极端环境下稳定工作)。

三、封装与物理特性

采用0603封装(英制编号,对应公制尺寸1.6mm×0.8mm),属于小型贴片封装:

  • 体积紧凑:无引脚设计,适配表面贴装工艺(SMT),可实现电路高密度集成;
  • 焊接可靠性:符合RoHS无铅焊接标准,焊点稳定性高,长期使用无虚焊风险;
  • 抗机械应力:薄膜电阻层附着于陶瓷基底,结构牢固,可承受一定振动与冲击。

四、典型应用场景适配

结合参数特性,AR03BTCX4303适用于以下场景:

  1. 精密测量仪器:如示波器、万用表的基准分压电路,利用±0.1%精度保证测量准确性;
  2. 通信设备:射频前端的阻抗匹配网络、信号滤波电路,低温度系数确保信号稳定;
  3. 工业控制:PLC模块、传感器接口电路,宽温范围适应车间高低温环境;
  4. 汽车电子:车载传感器(如胎压监测、温度传感器)的信号调理,满足汽车级温度要求;
  5. 消费电子:高端音频设备的偏置电路、小型医疗设备(如血糖仪)的信号处理,兼顾小型化与精度。

五、可靠性与品质保障

Viking光颉作为专业电阻制造商,AR03BTCX4303经过多重品质管控:

  • 生产工艺:真空镀膜工艺确保电阻层均匀,阻值一致性高;
  • 测试环节:批量生产前进行阻值分选、温度循环测试、功率老化测试,筛选出符合规格的产品;
  • 环境适应性:通过湿热、振动等可靠性测试,满足工业级应用的严苛要求。

六、选型与使用注意事项

  1. 功率降额:实际使用功率建议不超过额定功率的80%(即50mW),延长使用寿命;
  2. 电压限制:避免工作电压超过75V,防止击穿;
  3. 焊接温度:SMT焊接温度需符合0603封装的标准工艺(通常回流焊峰值温度≤245℃),避免损坏电阻层。

该产品凭借高精度、宽温稳定、小型化等优势,成为多领域电子设计的可靠选型。

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