WMSIC Electronic Components

Viking AR02BTC1202

ModelAR02BTC1202
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 AR02BTC1202
Type
VIKING
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR02BTC1202
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.009g
Electronic Component
12kΩ
Electronic Component
1
Electronic Component
BM0264961831
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.

AR02BTC1202 0402封装薄膜贴片电阻产品概述

一、产品基本定位与核心特性

AR02BTC1202是台湾光颉(Viking)电子推出的精密薄膜贴片电阻,定位于小体积、高精度、高稳定的电路基础元件。其核心特性围绕“精密性”与“适应性”展开:采用0402超小型封装(公制1005规格),兼顾设备小型化需求;以薄膜电阻工艺实现低温度漂移与高阻值精度,可满足工业、汽车、测试仪器等对性能要求严苛的场景。

二、关键电气参数详解

该电阻的核心电气参数均针对精密应用优化,具体如下:

  • 阻值与精度:标称阻值12kΩ,精度达±0.1%(属于“精密级”范畴,远高于普通电阻±1%/±5%的精度等级),可有效减少信号调理、分压电路中的误差累积。
  • 功率与电压:额定功率62.5mW,额定工作电压25V。需注意:实际使用中需遵循功率/电压降额原则(如环境温度超过25℃时,额定功率需按系数降低),避免过功率损坏。
  • 温度系数(TCR):±25ppm/℃,为薄膜电阻的典型低漂移值。例如,当工作温度从-55℃升至+155℃(温差210℃),阻值变化量仅为12kΩ×25e-6×210≈63Ω,相对阻值变化率约0.525%,结合±0.1%精度,整体阻值稳定性优异。
  • 工作温度范围:-55℃~+155℃,覆盖工业级与汽车级的宽温需求,可在极端环境下长期稳定工作。

三、性能优势与典型应用场景

3.1 核心性能优势

  1. 小体积高密度:0402封装(尺寸1.0mm×0.5mm),可大幅提升电路布局密度,适配智能穿戴、微型传感器等小型化设备;
  2. 高精度低漂移:±0.1%精度与±25ppm/℃ TCR的组合,确保温度变化、长期使用中阻值偏差极小;
  3. 宽温适应性:-55℃~+155℃工作范围,满足汽车发动机舱、工业现场等极端温度场景;
  4. 工艺可靠性:薄膜电阻采用金属膜/金属氧化膜工艺,相比碳膜电阻更耐温、耐湿,焊接兼容性好(支持回流焊、波峰焊)。

3.2 典型应用场景

  • 精密测试仪器:万用表、示波器、信号发生器的信号调理电路(如分压、限流、反馈网络);
  • 汽车电子:传感器(如压力、温度传感器)信号处理、ECU(电子控制单元)内部精密电阻网络;
  • 工业控制:PLC(可编程逻辑控制器)输入输出接口、传感器接口电路;
  • 消费电子:智能手表、蓝牙耳机、便携式医疗设备的高精度电压/电流调节电路。

四、可靠性与环境适应性

AR02BTC1202遵循光颉电子的高可靠性工艺标准,通过多项环境与可靠性测试:

  • 耐温变测试:经-55℃~+155℃温度循环(循环次数≥1000次),阻值变化率≤0.1%;
  • 耐湿测试:在85℃/85%RH环境下放置1000小时,阻值变化率≤0.2%;
  • 机械应力测试:通过振动(10~2000Hz,加速度2g)与冲击(100g,10ms)测试,封装无开裂、阻值无异常变化;
  • 焊接可靠性:符合IPC-A-610电子组装标准,回流焊后焊点牢固,无虚焊、假焊问题。

五、品牌与封装说明

  • 品牌背景:光颉(Viking)是全球知名的精密电阻制造商,专注薄膜电阻、功率电阻等产品研发生产超过20年,产品广泛应用于航空航天、汽车、医疗等高端领域,以“高稳定性、高一致性”著称;
  • 封装解析:0402封装为英制代码(“04”代表长度0.04英寸,“02”代表宽度0.02英寸),对应公制1005规格(1.0mm×0.5mm),适配SMT自动化生产,可显著提升生产效率,降低组装成本。

总结:AR02BTC1202是一款专为精密电路设计的0402封装薄膜电阻,凭借高精度、低漂移、宽温适应性与高可靠性,成为工业、汽车、测试仪器等领域的理想选择。

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