WMSIC Electronic Components

Viking AR02DTD1001

ModelAR02DTD1001
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 AR02DTD1001
Type
VIKING
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR02DTD1001
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±0.5%
Electronic Component
0.009g
Electronic Component
1kΩ
Electronic Component
1
Electronic Component
BM0264961680
Operating Temperature
55℃~+155℃
Operating Voltage
25V
Electronic Component
±50ppm/℃
Resistor Type
Resistor

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

AR02DTD1001 贴片薄膜电阻产品概述

一、产品基本属性

AR02DTD1001是Viking(光颉) 推出的一款精密贴片薄膜电阻,采用行业通用的0402封装(英制代码:0.04英寸×0.02英寸,公制尺寸约1.0mm×0.5mm),属于薄膜电阻类别。该产品针对小体积、高精密电路设计,兼顾宽温稳定性与可靠性,是消费电子、工业控制、汽车电子等领域的常用元件。

二、核心电气参数详解

AR02DTD1001的关键参数均围绕“精密稳定”设计,具体如下:

1. 阻值与精度

标称阻值为1kΩ,精度等级为**±0.5%** —— 即实际阻值范围在995Ω~1005Ω之间,满足多数模拟电路对阻值一致性的要求(如信号放大、分压网络等场景)。

2. 功率与电压限制

  • 额定功率:62.5mW(0.0625W),为25℃环境下的连续工作功率上限;若环境温度升高,需按电阻降额曲线调整(如125℃时功率需降至约30%额定值)。
  • 最大工作电压:25V,需注意该电压与功率的联动限制(实际工作中需满足 ( P = V^2/R \leq 62.5mW ),即25V下功率为625mW,远超过额定值,需优先遵循功率限制)。

3. 温度系数(TCR)

温度系数为**±50ppm/℃**,表示温度每变化1℃,阻值变化量为标称值的±50×10⁻⁶(1kΩ时每度变化±0.05Ω)。该系数使产品在宽温范围内阻值漂移极小,适合极端环境应用。

4. 工作温度范围

覆盖**-55℃~+155℃**,符合汽车电子AEC-Q200标准的温度要求,可稳定工作于工业高温、车载低温等场景。

三、封装与物理特性

0402封装是目前贴片电阻中体积最小的规格之一,具有以下特点:

  • 尺寸紧凑:仅1.0mm×0.5mm,可显著缩小PCB布局面积,适配高密度集成产品(如智能手机、智能手表);
  • 薄膜电阻结构:采用真空溅射薄膜工艺,相比厚膜电阻,阻值精度更高、稳定性更好、长期漂移更小;
  • 无铅环保:符合RoHS、REACH等环保标准,不含铅、镉等有害物质,适配全球市场需求。

四、典型应用场景

AR02DTD1001的参数特性使其适用于以下场景:

1. 消费电子

智能手机、智能手表的音频电路(精密分压、信号滤波)、电源管理模块的反馈网络,以及便携设备的传感器信号调理。

2. 工业控制

PLC(可编程逻辑控制器)的模拟量输入电路、传感器(温度、压力)的信号放大环节,以及工业仪器的精密测量模块。

3. 汽车电子

车载信息娱乐系统的音频处理电路、发动机ECU的传感器信号滤波,以及车身控制模块的小信号电路(宽温范围适配车载环境)。

4. 通信设备

4G/5G基站的射频前端匹配网络、光纤收发器的偏置电路,以及路由器的信号调理模块。

五、优势与适用限制

1. 核心优势

  • 高密度集成:0402封装支持PCB布线密集设计,缩小产品体积;
  • 精密稳定:±0.5%精度+±50ppm/℃ TCR,满足精密电路对阻值一致性的要求;
  • 宽温可靠:-55℃~+155℃覆盖极端环境,无需额外防护;
  • 品牌保障:Viking作为专业电阻制造商,产品通过ISO9001、AEC-Q200认证,可靠性高。

2. 适用限制

  • 功率受限:62.5mW额定功率仅适合小信号电路,不支持功率驱动或大电流场景;
  • 固定阻值:无可调性,需提前选型匹配电路需求;
  • 焊接要求:小封装对贴片机精度、回流焊温度控制要求较高,需避免虚焊或热损伤。

综上,AR02DTD1001是一款兼顾小体积、高精密与宽温稳定性的贴片薄膜电阻,适合对阻值精度、环境适应性有要求的中高端电子设备设计。

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