WMSIC Electronic Components

UNI-ROYAL 0402WGF7503TCE

Model0402WGF7503TCE
Package0402
BrandUNI-ROYAL
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
UNI-ROYAL 0402WGF7503TCE
Type
UNI-ROYAL
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0402WGF7503TCE
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
750kΩ
Electronic Component
1
Electronic Component
BM0263477473
Operating Temperature
55℃~+155℃
Operating Voltage
50V
Electronic Component
±100ppm/℃
Resistor Type
Resistor

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

0402WGF7503TCE 厚膜贴片电阻产品概述

一、产品定位与核心身份

0402WGF7503TCE是UNI-ROYAL(厚声) 推出的小型化高精度厚膜贴片电阻,主打0402封装(公制1005),核心匹配低功耗、宽温域的电路设计需求。该型号以750kΩ(阻值代码7503)为核心阻值,±1%精度覆盖多数常规电路的误差要求,属于厚声工业级/汽车级电阻产品线的经典型号,广泛适配消费电子、工业控制、汽车电子等领域的小型化设备。

二、关键性能参数解析

该电阻的核心参数围绕“小型化+稳定性”设计,具体解析如下:

  • 阻值与精度:额定阻值750kΩ,精度±1%,满足工业控制、消费电子中分压、限流、信号调理电路的误差控制要求(避免因阻值偏差导致信号失真或功率损耗异常);
  • 功率与工作电压:额定功率62.5mW(0.0625W),最大工作电压50V,需遵循功率/电压降额原则(如环境温度超125℃时,功率需降至额定值的50%以下);
  • 温度系数(TCR):±100ppm/℃,即温度每变化1℃,阻值变化±0.01%,适配-55℃~+155℃宽温域下的阻值稳定性;
  • 工作温度范围:-55℃至+155℃,覆盖汽车电子(车载温域波动大)、工业户外传感器节点等场景的温域需求。

三、封装与工艺特点

3.1 0402封装优势

0402封装(英制:0.04″×0.02″,公制:1.0mm×0.5mm)是小型化电子设备的主流封装,具备:

  • 体积紧凑:适配智能手机、可穿戴设备、小型PLC模块等紧凑空间;
  • 贴片式设计:支持SMT自动化生产,提升批量组装效率,降低人工成本;
  • 抗振动性能:比插件电阻更适配振动环境(如汽车行驶振动、工业设备机械振动)。

3.2 厚膜工艺特性

采用厚膜丝网印刷工艺:将钌基电阻浆料印刷在96%氧化铝陶瓷基底上,经高温烧结形成电阻膜,再激光微调阻值至目标精度。该工艺优势:

  • 成本适中:比薄膜电阻成本低,比碳膜电阻性能更稳定;
  • 阻值范围宽:覆盖从几欧到几兆欧的常用阻值;
  • 长期稳定性好:电阻膜与陶瓷基底结合牢固,抗老化性能优于碳膜电阻。

四、典型应用场景

0402WGF7503TCE的参数特性使其适配以下场景:

  • 消费电子:智能手机/平板的电池电量检测分压电路、音频信号调理电路;
  • 工业控制:小型温度/压力传感器节点的信号放大电路、PLC输入接口限流电阻;
  • 汽车电子:车载仪表盘背光控制电路、胎压监测系统(TPMS)信号处理电路(宽温域适配车载环境);
  • 可穿戴设备:智能手环/手表的低功耗传感器电路、心率监测模块信号滤波电路。

五、可靠性与品质保障

UNI-ROYAL(厚声)作为国内电阻制造龙头,该产品具备:

  • 认证合规:通过RoHS无铅认证、ISO9001质量管理体系,部分批次符合IATF16949汽车级认证;
  • 批次一致性:激光微调工艺确保批量产品阻值偏差≤±1%,温度系数一致性好;
  • 环境可靠性:通过高低温循环(-55℃~+155℃,100次)、湿度测试(85℃/85%RH,1000小时),阻值变化率≤0.5%。

六、使用注意事项

  1. 功率降额:环境温度超125℃时,功率需降至额定值的50%以下;
  2. 焊接温度:SMT回流焊峰值温度≤260℃,时间≤10秒,避免损坏电阻膜;
  3. 静电防护:厚膜电阻对静电敏感,组装需佩戴静电手环,使用静电防护设备。

该型号凭借“小型化、高精度、宽温域”的综合优势,成为众多电子设备的可靠电阻选择,适配不同领域的量产需求。

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