WMSIC Electronic Components

Viking ARG05DTC1804

ModelARG05DTC1804
Package0805
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Viking ARG05DTC1804
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
ARG05DTC1804
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±0.5%
Electronic Component
0.029g
Electronic Component
1.8MΩ
Electronic Component
1
Electronic Component
BM0265636683
Operating Temperature
55℃~+155℃
Operating Voltage
150V
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.

Viking光颉ARG05DTC1804薄膜电阻产品概述

一、产品基本信息

ARG05DTC1804是Viking(光颉)电子推出的0805封装高精度薄膜电阻,型号代码对应明确:

  • “ARG”为光颉薄膜电阻系列标识,代表真空溅射工艺的稳定电阻膜;
  • “05”对应英制封装规格0805(公制2012,尺寸2.0mm×1.2mm);
  • “DTC”标识核心性能组合(高精度、低温度系数);
  • “1804”为阻值编码(18×10⁴Ω=1.8MΩ)。

该产品定位于中高端电子设备的信号调理、分压、限流场景,兼顾精度与宽温适应性。

二、核心性能参数深度解析

1. 阻值与精度控制

额定阻值1.8MΩ,精度±0.5%,属于薄膜电阻的典型高精度规格。相比碳膜电阻,其阻值一致性提升3倍以上,可减少电路调试校准成本,适配对阻值稳定性要求苛刻的信号链路(如传感器前端放大)。

2. 功率与电压安全规格

  • 额定功率125mW,支持持续功率负载;
  • 最大工作电压150V。需注意:( P=V^2/R ),150V下实际功耗仅12.5mW(远低于额定值),因此电压为安全击穿上限,实际使用需匹配电路功耗。

3. 温度系数(TCR)

温度系数±25ppm/℃,是薄膜电阻的核心优势。以1.8MΩ为例,温度变化100℃时,阻值漂移仅450Ω(相对漂移0.025%),可有效抑制温度波动对电路性能的影响(如工业现场昼夜温差)。

4. 宽温工作范围

覆盖-55℃+155℃,超出工业级(-40℃+85℃)与汽车级(-40℃~+125℃)标准,可适应沙漠高温、极地低温、车载引擎舱等极端环境,无需额外温控。

三、封装与物理特性

采用0805表面贴装(SMD)封装,具备三大优势:

  1. 体积小巧:2.0mm×1.2mm尺寸节省PCB空间,适配智能手机、智能穿戴等高密度设计;
  2. 贴装兼容:支持回流焊、波峰焊自动化生产,效率高、成本低;
  3. 机械稳定:封装紧凑,抗振动/冲击性能优于插件电阻,满足车载、航空等严苛场景。

四、品牌与可靠性优势

Viking(光颉)作为全球电阻制造商,ARG05DTC1804继承其核心工艺:

  • 工艺稳定:真空溅射+激光微调,电阻膜均匀性±0.1%以内,1000小时老化后阻值漂移≤±0.1%;
  • 环保合规:符合RoHS、REACH标准,无铅无镉,适配绿色产品设计;
  • 可靠性验证:通过高温存储、温度循环、振动测试,MTBF(平均无故障时间)超10⁶小时,满足医疗、工业长寿命需求。

五、典型应用领域

因兼顾高精度、宽温、小体积,ARG05DTC1804广泛应用于:

  1. 工业控制:PLC模块、传感器信号调理(压力/温度传感器分压网络);
  2. 汽车电子:车载ECU、胎压监测(TPMS)、摄像头信号处理;
  3. 通信设备:基站射频模块、路由器电源监控;
  4. 医疗电子:监护仪、血糖检测仪信号放大链路;
  5. 消费电子:高端音频DAC、智能手表传感器电路。

六、选型与使用注意事项

  1. 功率降额:实际功率建议≤62.5mW(额定50%),155℃环境下可降至31.25mW;
  2. 电压限制:工作电压≤150V,避免电阻膜击穿;
  3. 焊接工艺:回流焊峰值温度≤260℃(时间≤10秒),符合IPC标准;
  4. 静电防护:薄膜电阻对静电敏感,生产/测试需ESD防护。

该产品以高性价比平衡了精度、宽温与可靠性,是工业、汽车、医疗等领域的理想选型。

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