WMSIC Electronic Components

Viking CSR0204FTCV3902

ModelCSR0204FTCV3902
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 CSR0204FTCV3902
Type
VIKING
Minimum package
3000 圆盘

Technical parameters

Power
250mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
CSR0204FTCV3902
Electronic Component
1
Package
MELF-0204
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.04g
Electronic Component
39kΩ
Electronic Component
1
Electronic Component
BM0265636700
Operating Temperature
55℃~+155℃
Operating Voltage
200V
Electronic Component
±25ppm/℃
Resistor Type
Metal Film Resistor

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

CSR0204FTCV3902 贴片金属膜电阻产品概述

一、产品核心定位与典型应用

CSR0204FTCV3902是Viking(光颉)推出的精密贴片金属膜电阻,核心定位为中功率、宽温范围的稳定型电阻器件,针对对阻值精度、温度漂移控制要求较高的电子电路设计。其典型应用场景覆盖三大领域:

  1. 工业控制与传感器电路:如压力、温度传感器的信号放大/滤波模块,需稳定阻值避免漂移导致的测量误差;
  2. 通信设备与射频电路:基站射频前端的阻抗匹配网络、信号衰减器,依赖±1%精度实现信号传输优化;
  3. 汽车电子与极端环境应用:车载控制系统的温度补偿电路、户外设备的电源分压电路,适配-55℃~+155℃宽温范围。

二、关键性能参数解析

该电阻的核心参数围绕精度、稳定性、功率与环境适应性展开,具体如下:

  • 阻值与精度:39kΩ(E96系列标准阻值),精度±1%,满足多数精密电路的参数一致性要求,无需额外校准即可实现稳定输出;
  • 功率与电压:额定功率250mW,工作电压200V(最大连续工作电压),适合小信号电路(如模拟信号调理、低功耗数字电路),实际使用需遵循降额原则(建议功耗不超过额定值的70%);
  • 温度系数:±25ppm/℃,为金属膜电阻的典型低漂移值——以100℃温度变化为例,39kΩ电阻的阻值漂移仅约97.5Ω(占比0.25%),远低于碳膜电阻(通常±500ppm/℃以上),长期使用稳定性优异;
  • 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,避免高温下阻值失效或低温下性能下降。

三、封装与工艺特性

CSR0204FTCV3902采用MELF圆柱型贴片封装,兼具体积小、贴装效率高的优势:

  • 封装优势:无引脚设计,兼容SMT自动化生产线,贴装精度高;体积紧凑(典型尺寸Φ2.0×4.0mm),比轴向插件电阻节省约50%的PCB空间,适合高密度电路设计;
  • 工艺特点:采用金属膜工艺(真空蒸发金属膜于陶瓷基体),相比碳膜电阻具有更低的噪声系数(<0.1μV/√Hz)、更高的稳定性,且耐老化性能优异(长期使用阻值变化率<0.1%/1000小时)。

四、可靠性与环保合规

该产品通过多重可靠性测试,确保在复杂场景下的稳定运行:

  • 可靠性验证:符合IEC 60115-1电子元件标准,通过温度循环(-55℃~+155℃,500次循环)、湿度测试(85℃/85%RH,1000小时)、功率寿命测试(额定功率下1000小时,阻值变化<0.5%);
  • 环保合规:符合RoHS 2.0、REACH等国际环保标准,无铅无镉,满足绿色电子设计需求。

五、品牌与品质保障

Viking(光颉)作为台湾知名被动元器件厂商,拥有30余年电阻研发生产经验,CSR0204FTCV3902的品质管控贯穿全流程:

  • 全流程检测:出厂前100%进行阻值精度测试、温度特性抽样测试,确保每批次产品一致性;
  • 售后支持:提供产品选型、应用指导等技术支持,针对批量客户可定制参数(如更高精度、特殊功率)。

该产品凭借高精度、低漂移、宽温适配等核心优势,成为工业控制、通信、汽车电子等领域的优选电阻器件,可有效提升电路的长期稳定性与可靠性。

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