WMSIC Electronic Components

UNI-ROYAL 0402WGF402JTCE

Model0402WGF402JTCE
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 0402WGF402JTCE
Type
UNI-ROYAL
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0402WGF402JTCE
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
40.2Ω
Electronic Component
10
Electronic Component
BM0263477487
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.

0402WGF402JTCE 厚膜贴片电阻产品概述

一、产品核心身份与定位

0402WGF402JTCE是厚声电子(UNI-ROYAL) 推出的0402封装厚膜贴片电阻,属于小型化、高精度、中低功率的通用型电子元件。其定位覆盖消费电子、工业控制、汽车电子等多领域,主打“小体积+稳定性能”,适配高密度PCB设计与宽温环境需求,是批量应用中平衡成本与性能的优选方案。

二、关键性能参数详解

该电阻的核心参数直接决定应用边界,具体价值如下:

  1. 阻值与精度:标称阻值40.2Ω(非标准阻值),精度±1%——比普通±5%电阻的一致性提升5倍,可精准匹配传感器信号调理、基准电压电路等场景,无需额外串联/并联凑值,简化电路设计。
  2. 功率与电压:额定功率62.5mW(0.0625W),最大工作电压50V——满足小电流信号处理(如mA级限流)、低功耗模块(如智能穿戴电源管理)的功率需求;电压需严格控制在50V内,避免过压击穿。
  3. 温度特性:温度系数(TCR)±100ppm/℃,工作温区-55℃~+155℃——工业级温区内,温度每变1℃阻值仅变0.01%;极端温区(+155℃ vs -55℃)最大波动约±2.1%,适配户外设备、高温工业场景(如汽车发动机舱电路)。

三、封装与工艺优势

  1. 0402封装:英制0.04″×0.02″(公制1.0mm×0.5mm),是贴片电阻主流小型化封装,可大幅提升PCB元件密度,适合智能手机、小型基站等空间苛刻的产品。
  2. 厚膜工艺:陶瓷基片+丝网印刷电阻浆料+高温烧结——兼具成本优势与稳定性:抗焊接热应力、抗湿度能力优于薄膜电阻,批量生产一致性好,适合大规模应用。

四、典型应用场景

结合参数特点,该电阻主要用于:

  1. 消费电子:智能手机电源管理(低功耗限流)、智能穿戴信号调理(小体积适配);
  2. 工业控制:PLC输入输出接口(宽温适配)、传感器信号放大(±1%精度匹配);
  3. 汽车电子:车载小功率传感器(温度/压力)信号处理(-55~+155℃温区);
  4. 通信设备:小型基站射频前端匹配(0402封装高密度设计);
  5. 医疗电子:小型医疗设备(血糖仪/血压计)信号调理(低功耗+精度需求)。

五、可靠性与使用注意事项

  1. 可靠性:厚膜工艺赋予其良好抗浪涌能力(10倍额定功率下短时间冲击),陶瓷基片防潮性好,长期使用性能稳定;
  2. 使用建议:
    • 功率降额:实际功率建议≤50mW(80%降额),延长寿命;
    • 焊接工艺:回流焊峰值温度240~250℃,时间≤10s,避免热应力损坏;
    • 存储条件:常温干燥(25℃±5℃,湿度≤60%),避免受潮影响焊接。

六、选型参考

若需更高精度(±0.1%)或更高功率(0.125W),可选择厚声同系列薄膜电阻或0603封装;若需超宽温区(-65~+175℃),则考虑军品级。但0402WGF402JTCE在“通用高精度+小体积+宽温”场景下,是性价比最优选择之一。

该产品凭借稳定的性能与灵活的适配性,已成为消费电子、工业控制等领域的主流通用电阻之一,满足批量生产中的可靠性与成本需求。

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