WMSIC Electronic Components

Viking AR02DTC4302

ModelAR02DTC4302
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 AR02DTC4302
Type
VIKING
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR02DTC4302
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±0.5%
Electronic Component
0.009g
Electronic Component
43kΩ
Electronic Component
1
Electronic Component
BM0265966177
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.

AR02DTC4302 薄膜贴片电阻产品概述

一、产品核心定位与品牌背景

AR02DTC4302是Viking(光颉) 推出的一款0402封装薄膜贴片电阻,定位于小功率高精度工业级应用。Viking作为专业电子元器件制造商,在电阻领域拥有成熟的工艺技术与品控体系,产品广泛覆盖消费电子、工业控制、汽车电子等领域,以高可靠性、稳定性能著称。这款电阻针对高密度PCB设计需求,兼顾精度与宽温适应性,是精密电路中替代普通电阻的理想选择。

二、关键参数详解

AR02DTC4302的核心参数明确了其性能边界与适用场景,具体如下:

  • 阻值:43kΩ(固定值),满足大多数信号调理、分压电路的阻值需求,无需额外并联/串联组合;
  • 精度:±0.5%,远高于普通碳膜电阻(通常±5%~±1%),可有效降低电路设计误差,适用于需要准确电阻值的精密电路(如基准电压源、ADC采样前端);
  • 功率:62.5mW,为0402封装的典型小功率规格,符合低功耗设备的设计要求,避免因功率过载导致的失效;
  • 工作电压:25V(最大),在常规直流/低频电路中可安全工作,无需额外降额设计(降额系数≤0.8时可覆盖19V以下场景);
  • 温度系数(TCR):±25ppm/℃,表示温度每变化1℃,阻值变化±25ppm(即0.0025%)。以100℃温度变化为例,阻值偏差仅0.25%,远优于普通电阻(如±100ppm/℃),确保极端温度下电路性能稳定;
  • 工作温度范围:-55℃~+155℃,覆盖工业级宽温要求,可适应户外、车载等极端环境(如汽车发动机舱、工业现场低温环境)。

三、封装与工艺特性

  1. 封装尺寸:0402(英制,对应公制1005),尺寸为1.0mm×0.5mm(长×宽),体积小、重量轻,适合高密度PCB布局(如智能手机主板、可穿戴设备);
  2. 工艺类型:薄膜电阻(通常为镍铬基薄膜),相比碳膜电阻具有更低的噪声系数(≤-30dB,适合小信号放大电路)、更好的高频特性(截止频率可达1GHz以上,可应用于射频前端),且阻值稳定性优于金属膜电阻;
  3. 表面贴装设计:符合SMD标准,支持自动化贴装与回流焊工艺(回流焊温度峰值≤260℃),适合批量生产,降低组装成本。

四、典型应用场景

AR02DTC4302的性能特点使其适用于多种高精度、小功率场景:

  • 消费电子:智能手机、平板电脑的传感器信号调理电路(如加速度计、陀螺仪分压)、电源管理模块(如LDO输出分压);
  • 工业控制:PLC(可编程逻辑控制器)的I/O接口电路、传感器模块(如温度传感器信号放大)、工业物联网(IIoT)终端的低功耗电路;
  • 汽车电子:车载信息娱乐系统的小信号电路、车身控制模块(BCM)的辅助电路(需满足-40℃~+85℃以上宽温);
  • 通信设备:基站射频前端的小信号匹配电路、路由器/交换机的电源滤波电路;
  • 医疗设备:便携式血糖检测仪、心电图仪的精密测量电路(低噪声要求)。

五、性能优势总结

  1. 高精度稳定:±0.5%精度与±25ppm/℃TCR,确保电路性能一致性,减少调试成本;
  2. 宽温适应性:-55℃~+155℃工作范围,覆盖工业与汽车级环境要求;
  3. 小封装高密度:0402封装适合小型化设备,提升PCB集成度;
  4. 低噪声高频优:薄膜工艺降低噪声,支持射频与小信号电路;
  5. 品牌可靠性:Viking光颉的品控体系,产品一致性好,失效概率低(平均无故障时间MTBF≥10^6小时)。

这款电阻平衡了精度、体积与成本,是精密电子设备中替代普通电阻的高性价比选择。

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