WMSIC Electronic Components

Viking CSR0204DTCV1000

ModelCSR0204DTCV1000
PackageMELF-0204
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 CSR0204DTCV1000
Type
VIKING
Minimum package
3000 圆盘

Technical parameters

Power
250mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
CSR0204DTCV1000
Electronic Component
1
Package
MELF-0204
Electronic Component
SMD Resistor
Electronic Component
±0.5%
Electronic Component
0.04g
Electronic Component
100Ω
Electronic Component
1
Electronic Component
BM0265636730
Operating Temperature
55℃~+155℃
Electronic Component
±25ppm/℃
Resistor Type
Metal Film Resistor
Electronic Component
Electronic Component

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

Viking CSR0204DTCV1000 金属膜电阻产品概述

Viking(光颉)CSR0204DTCV1000是一款针对工业级精密电路、消费电子高密度设计开发的小型化金属膜电阻,凭借稳定的电气性能、宽温适应性与紧凑封装,成为电子设计中平衡精度、体积与可靠性的核心元件之一。

一、产品定位与核心特性

该电阻定位于中高精度、宽温工作的小型化应用场景,核心特性可总结为四点:

  1. 精度可控:±0.5%的阻值精度满足多数精密信号调理、分压电路需求;
  2. 温漂极低:±25ppm/℃的温度系数,将温度变化对阻值的影响降至最小;
  3. 宽温可靠:-55℃至+155℃的工作温宽,覆盖工业、车载等极端环境;
  4. 小封装适配:0204封装(0.6mm×0.8mm),适合高密度PCB布局,兼顾功率与体积。

二、关键参数深度解析

2.1 阻值与精度

标准阻值为100Ω(常用电阻值,易与其他元件匹配),±0.5%的精度意味着实际阻值范围在99.5Ω至100.5Ω之间,相比普通碳膜电阻(通常±5%),能更精准地控制电路中的电流、电压分配,避免信号失真。

2.2 功率与负载能力

额定功率250mW,在0204封装下属于合理功率范围(一般0204金属膜电阻功率多在1/8W=125mW至1/4W=250mW之间),可稳定承载小电流电路(如100Ω下最大工作电流约50mA,(I=\sqrt{P/R}=\sqrt{0.25/100}=0.05A)),适配多数低功耗电路。

2.3 温度系数与温宽

温度系数(TCR)±25ppm/℃是核心优势:假设环境温度从-55℃升至+155℃(温差210℃),阻值变化量为(210×25=5250μΩ=5.25mΩ),相对100Ω的变化率仅0.00525%,远低于普通电阻的温漂水平,确保极端温度下电路性能稳定。

2.4 工作温度范围

-55℃至+155℃的温宽符合工业级标准,可应用于户外设备、车载电子、高温工业环境等场景,无需额外散热或温度补偿设计。

三、封装与可靠性设计

3.1 0204封装特点

0204封装(英制尺寸:0.02英寸×0.04英寸,公制约0.6mm×0.8mm)是小型化电子设备的主流封装,体积仅为1206封装的1/4左右,可显著提升PCB布局密度,适合智能手机、智能穿戴、小型工业模块等对体积敏感的产品。

3.2 金属膜电阻的可靠性优势

相比碳膜电阻,金属膜电阻通过真空镀膜+激光调阻工艺制造,具有:

  • 低噪声:适合音频电路、信号放大等对噪声敏感的场景;
  • 长期稳定性:阻值漂移率低(通常<0.1%/1000小时),使用寿命长;
  • 抗湿性:封装采用环氧树脂,可抵御环境湿度变化对电阻性能的影响。

四、典型应用场景

该电阻的性能特点使其广泛适配以下场景:

  1. 工业控制电路:PLC输入输出模块、传感器信号调理电路(如温度、压力传感器的分压/限流),利用宽温、低漂特性确保信号精准传输;
  2. 消费电子:智能手机电源管理(如电池保护电路的采样电阻)、音频解码电路(低噪声优势),小封装适配设备轻薄化需求;
  3. 汽车电子:车载中控屏信号滤波、胎压监测传感器电路,宽温范围满足车载环境(-40℃至+85℃常见,该电阻覆盖更宽);
  4. 通信设备:基站射频电路的匹配电阻、路由器电源滤波,高精度与小封装适配高密度通信模块。

五、品牌与品质保障

Viking(光颉)作为全球知名电阻制造商,在精密电阻领域拥有20余年研发与生产经验,CSR0204DTCV1000通过以下品质管控:

  • 生产工艺:每批次产品采用激光调阻确保精度一致性,老化测试筛选性能稳定元件;
  • 认证合规:符合RoHS、REACH等环保标准,适配全球市场需求;
  • 供货稳定:具备大规模量产能力,可满足客户批量采购需求,提供样品支持与技术咨询。

总结:Viking CSR0204DTCV1000以高精度、低温漂、宽温可靠、小封装为核心优势,是工业、消费、汽车等领域精密电路设计的高性价比选择,能有效平衡性能与成本,提升产品竞争力。

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