WMSIC Electronic Components

Viking AR03FTDX7201NA

ModelAR03FTDX7201NA
Package0603
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 AR03FTDX7201NA
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR03FTDX7201NA
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
7.2kΩ
Electronic Component
1
Electronic Component
BM0263676812
Operating Temperature
55℃~+155℃
Operating Voltage
75V
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.

AR03FTDX7201NA 贴片薄膜电阻产品概述

一、产品核心定位与品牌背景

AR03FTDX7201NA是Viking(光颉)电子推出的一款0603封装贴片薄膜电阻,针对小功率、高精度电路设计需求优化,兼具宽温适应性与稳定性能,是消费电子、工业控制、汽车电子等领域的高性价比选型。

光颉电子作为专业被动元件制造商,拥有成熟的薄膜电阻生产工艺,其产品以精度稳定、可靠性高著称,广泛应用于全球电子制造企业。

二、关键技术参数解析

该电阻核心参数明确覆盖典型应用场景,各参数意义如下:

1. 阻值与精度

  • 标称阻值:7.2kΩ(标识编码“7201”,前三位“720”为有效数字,第四位“1”为倍率10¹,即720×10¹=7200Ω);
  • 精度等级:±1%,满足多数需要中等至高精度的电路需求(如模拟信号放大、分压电路),避免阻值偏差导致的信号失真。

2. 功率与电压

  • 额定功率:100mW(0.1W),属于小功率贴片电阻范畴,适配低功耗电路(如便携式设备、小型单片机外围);
  • 工作电压:75V(直流/交流峰值),额定电压内可长期稳定工作,超出需按功率降额规则调整。

3. 温度特性

  • 温度系数(TCR):±50ppm/℃,表示温度每变化1℃,阻值变化量为±50×10⁻⁶×7.2kΩ=±0.36Ω,温度稳定性良好;
  • 工作温度范围:-55℃~+155℃,覆盖工业级、汽车级部分应用场景,可适应极端温度变化。

三、封装与物理特性

采用0603英制封装(对应公制1608,尺寸约1.6mm×0.8mm),具备以下优势:

  • 体积小巧:节省PCB空间,适配高密度贴装生产线(如智能手机、小型路由器的紧凑设计);
  • 表面贴装工艺:兼容SMT回流焊/波峰焊,生产效率高,适合批量制造;
  • 引脚设计:无引脚贴片结构,避免传统插件电阻的体积占用,提升电路集成度。

四、典型应用场景

结合参数特性,该电阻适用于以下场景:

1. 消费电子

  • 智能手机/平板:音频电路偏置电阻、触控屏驱动限流电阻,利用小体积实现紧凑设计;
  • 可穿戴设备:智能手环/手表的传感器信号调理电阻,低功耗适配电池供电需求。

2. 工业控制

  • 小型PLC:模拟量输入模块的分压电阻、传感器(温度/压力)信号放大偏置电阻;
  • 工业传感器:如流量计、液位计的信号处理电路,宽温范围满足现场高低温需求。

3. 汽车电子

  • 车载辅助系统:倒车雷达信号处理、车内氛围灯限流电阻,适配汽车12V/24V低功耗模块;
  • 车身控制单元(BCM):小功率开关电路的限流/分压,宽温适应车载环境(-40℃~+85℃)。

4. 通信设备

  • 小型路由器/AP:射频前端匹配电阻(低功率射频信号阻抗匹配),高精度保证信号传输质量;
  • 无线耳机:蓝牙模块的信号滤波电阻,低功耗适配便携需求。

五、性能优势与可靠性

  1. 薄膜电阻特性:相比碳膜电阻,阻值稳定性更高、噪声更低(适合模拟电路);相比金属膜电阻,成本更具优势,平衡性能与成本;
  2. 工艺可靠性:光颉采用激光微调技术保证±1%精度,表面环氧树脂涂层耐湿耐温,长期工作阻值漂移小;
  3. 宽温可靠性:经过-55℃~+155℃高低温循环测试,满足工业级环境要求,无性能衰减;
  4. 功率裕量:额定功率100mW,实际应用中降额至80%(80mW)即可长期稳定,避免过应力损坏。

六、选型与使用注意事项

  1. 功率降额:实际工作功率需低于100mW,建议降额至80%以下(如75V/7.2kΩ电路中,电流约10.4mA,功率75mW,符合要求);
  2. 电压限制:工作电压不超过75V,若电路电压更高需串联电阻分压;
  3. 焊接工艺:采用回流焊(峰值温度230245℃,时间1030秒),避免手工焊接过热(>300℃)损坏电阻;
  4. 储存条件:存放在温度0~40℃、湿度<60%的环境中,避免长期暴露在高湿环境下,防止引脚氧化影响焊接。

综上,AR03FTDX7201NA以小体积、高精度、宽温适应性为核心优势,适配多领域低功耗高精度电路需求,是电子设计中平衡性能与成本的可靠选型。

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