WMSIC Electronic Components

Viking AR02BTC7501

ModelAR02BTC7501
Package0402
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 AR02BTC7501
Type
VIKING
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR02BTC7501
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.009g
Electronic Component
7.5kΩ
Electronic Component
1
Electronic Component
BM0265378746
Operating Temperature
55℃~+155℃
Operating Voltage
25V
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.

AR02BTC7501(Viking光颉)薄膜贴片电阻产品概述

AR02BTC7501是Viking(光颉)电子推出的一款0402封装高精度薄膜贴片电阻,专为小型化、高稳定性电路设计,核心参数匹配7.5kΩ阻值、±0.1%精度、62.5mW额定功率,可覆盖消费电子、工业控制、通信等多领域的信号调理与阻抗匹配需求。

一、产品核心身份与定位

该型号隶属于光颉薄膜电阻系列,以小封装+高精度+宽温稳定为核心特点,区别于常规碳膜电阻的低精度与温漂大问题,适合对阻值一致性、环境适应性要求较高的应用场景。其型号命名逻辑清晰:AR02B为系列代码,TC代表薄膜类型,7501为阻值代码(前三位750×10^1=7500Ω=7.5kΩ),符合行业通用电阻代码规范。

二、关键电气性能参数详解

1. 阻值与精度

  • 标称阻值:7.5kΩ(7501代码准确对应);
  • 精度等级:±0.1%,属于高精度级(行业常规精度多为1%、0.5%),可有效降低电路分压、电流采样等环节的系统误差。例如在12V电源分压电路中,0.1%精度可将输出电压误差控制在±12mV以内,满足多数信号调理场景的误差要求。

2. 功率与电压限制

  • 额定功率:62.5mW(0.0625W),满足小信号电路的功耗需求(如传感器信号放大、低功耗MCU外围电路);
  • 最大工作电压:25V,实际使用需同时满足“功率≤额定功率”,即工作电压需控制在√(P×R)=√(0.0625×7500)≈21.65V以内,避免过压导致的性能衰减或损坏。

3. 温度系数(TCR)

  • 阻值温度系数:±25ppm/℃,表示每变化1℃,阻值相对变化25×10^-6。以工作温区-55℃~+155℃计算,温差210℃时,阻值最大偏移量为210×25ppm=0.525%,但因产品精度为±0.1%,实际偏移量仍在精度允差范围内,保证宽温下的性能稳定。

三、封装与物理特性

AR02BTC7501采用0402英寸贴片封装(公制尺寸1.0mm×0.5mm×0.35mm),是当前小型化PCB设计的主流封装之一,优势在于:

  • 高密度布局:每平方厘米可容纳约400个0402封装电阻,适合手机、智能穿戴等小型设备的紧凑电路;
  • 工艺兼容性:符合IPC-J-STD-020标准,可通过无铅回流焊工艺焊接,生产效率高;
  • 环保合规:符合RoHS 2.0与REACH标准,无铅、无镉,满足全球市场的环保要求。

四、环境适应性表现

该产品的工作温区覆盖**-55℃+155℃**,超出常规工业级电阻(-40℃+125℃)的温区范围,结合±25ppm/℃的TCR,可在以下场景稳定工作:

  • 户外工业设备:如智能传感器、远程监控终端(应对昼夜温差与极端气候);
  • 车载电子:部分车载模块的工作温区可达150℃以上,该产品可满足其环境要求;
  • 高可靠性领域:如航空航天辅助电路(对宽温稳定性要求严苛);
  • 消费电子高温场景:如快充充电器内部的高温区域电路。

五、典型应用场景

1. 消费电子领域

  • 手机/平板:电源管理电路的电压分压、音频模块的阻抗匹配;
  • 智能穿戴:手环/手表的低功耗传感器接口电路(如心率传感器信号放大)。

2. 工业控制领域

  • PLC模块:信号调理电路的电阻网络(如模拟量输入的滤波分压);
  • 小型传感器:电流采样电阻(如压力传感器、温度传感器的信号放大)。

3. 通信设备领域

  • 基站射频前端:偏置电路的小型化电阻;
  • 5G小基站:信号滤波电路的阻抗匹配元件。

4. 医疗电子领域

  • 便携式血糖仪:低功耗信号放大电路的电阻元件;
  • 家用呼吸机:压力传感器接口的信号调理电阻。

六、选型价值与优势总结

  1. 精度成本平衡:±0.1%精度可替代部分高成本金属膜电阻,降低系统设计成本;
  2. 宽温稳定可靠:-55℃~+155℃温区+±25ppm/℃ TCR,适合极端环境应用,减少售后维护成本;
  3. 小封装适配:0402封装支持高密度PCB设计,符合电子设备小型化趋势;
  4. 品牌保障:光颉作为专业电阻制造商,产品一致性好,可提供稳定供货,避免批量生产中的性能波动。

AR02BTC7501通过平衡精度、封装与环境适应性,成为小型化高精度电路的优选电阻元件,可满足多数中端至高端电子设备的设计需求。

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