WMSIC Electronic Components

Viking AR05BTCW1253

ModelAR05BTCW1253
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 AR05BTCW1253
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR05BTCW1253
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.029g
Electronic Component
125kΩ
Electronic Component
1
Electronic Component
BM0263676888
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.

AR05BTCW1253产品概述

一、产品基本定位与核心标识

AR05BTCW1253是Viking(光颉)品牌推出的一款高性能贴片薄膜电阻,采用行业通用的0805封装(英制尺寸,对应公制2012),专为精密电子电路中的阻值稳定、精度控制需求设计,属于中小功率级别的高精度电阻器件,可适配多种自动化生产工艺。

二、核心性能参数深度解析

1. 阻值与精度:满足高端电路精准需求

该电阻标称阻值为125kΩ,精度等级达到**±0.1%**——这一精度远高于普通碳膜电阻(通常±1%~±5%),可有效降低电路中阻值偏差对信号传输、测量结果的影响,尤其适合对阻值一致性要求严苛的场景(如精密仪表校准)。

2. 功率与电压:中小功率场景可靠支撑

额定功率为125mW,最大工作电压为150V。需注意实际使用需遵循功率降额原则(通常建议不超过额定功率的80%),避免因功率过载导致阻值漂移或器件损坏;电压与功率的匹配需结合电路工况验证(如150V工作电压下,125kΩ电阻理论功率为180mW,需确保实际功耗不超额定值)。

3. 温度特性:宽温环境下阻值稳定

温度系数(TCR)为**±25ppm/℃**,意味着温度每变化1℃,阻值变化不超过0.0025%(125kΩ×25ppm=3.125Ω)。这一特性显著优于普通电阻(如碳膜电阻TCR通常±500ppm/℃以上),可在宽温度范围内保持阻值稳定,减少环境温度变化对电路性能的干扰。

4. 工作温度范围:适应极端环境

工作温度覆盖**-55℃~+155℃**,达到工业级/汽车级宽温标准,可在低温(如北方户外设备)、高温(如工业烤箱、汽车发动机舱)等极端环境下长期可靠工作,无需额外温度补偿电路。

三、封装与物理特性

采用0805贴片封装,尺寸小巧(英制:0.08英寸×0.05英寸;公制:2.0mm×1.2mm),适合高密度PCB布局(如智能手机、便携式仪器);贴片式设计兼容自动化贴装工艺,可提高生产效率、降低人工成本;焊接兼容性良好,支持回流焊、波峰焊等主流焊接方式,焊接后可靠性高。

四、品牌与可靠性保障

Viking(光颉)作为全球知名被动元器件制造商,在电阻领域拥有成熟工艺与品控体系:

  • 符合RoHS 2.0、REACH等环保法规,无有害物质添加;
  • 经过高温老化、湿度循环、温度冲击等严格可靠性测试,长期失效率低;
  • 阻值一致性好,批量采购可减少筛选成本,提升电路生产效率。

五、典型应用场景

AR05BTCW1253的高精度、宽温稳定特性,使其广泛应用于以下领域:

  1. 精密测量仪器:示波器、万用表、频谱分析仪等,需精准阻值控制信号衰减/放大;
  2. 医疗电子设备:监护仪、血糖检测仪等,对器件可靠性与精度要求严苛;
  3. 汽车电子:传感器信号调理电路(如胎压监测、氧传感器),适应汽车舱内宽温环境;
  4. 工业控制:PLC模块、伺服驱动器,需稳定阻值保证控制精度;
  5. 通信设备:射频前端信号处理电路,减少温度漂移对信号质量的影响。

六、选型注意事项

  1. 需确认电路实际功耗不超过125mW(建议降额至100mW以内);
  2. 若应用场景温度变化剧烈,需结合TCR计算阻值漂移对电路的影响;
  3. 0805封装适合中小功率场景,若需更高功率(如0.5W以上),需选择更大封装(如1206、0805功率型)。

该产品凭借高精度、宽温稳定、小体积等优势,成为精密电子电路中替代普通电阻的优选器件,可有效提升电路性能与可靠性。

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