WMSIC Electronic Components

UNI-ROYAL 0201WMF4022TEE

Model0201WMF4022TEE
Package0201
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
UNI-ROYAL 0201WMF4022TEE
Type
UNI-ROYAL
Minimum package
15000 圆盘

Technical parameters

Power
50mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0201WMF4022TEE
Electronic Component
1
Package
0201
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.008g
Electronic Component
40.2kΩ
Electronic Component
50
Electronic Component
BM0263477309
Operating Temperature
55℃~+155℃
Operating Voltage
25V
Electronic Component
±200ppm/℃
Resistor Type
Resistor

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

0201WMF4022TEE 厚膜贴片电阻产品概述

一、产品基本概况

0201WMF4022TEE是厚声电子(UNI-ROYAL) 推出的通用型厚膜贴片电阻,属于0201封装系列。型号命名逻辑清晰:

  • “0201”对应英制封装尺寸(0.02英寸×0.01英寸,公制0.6mm×0.3mm);
  • “WMF”为厚膜电阻系列代号;
  • “4022”是阻值编码(402×10²=40.2kΩ);
  • “TEE”后缀定义精度、温度系数等核心参数。

该产品针对小型化、低功率电子电路设计,覆盖消费电子、工业控制、汽车电子等多领域应用,是电子设计中常用的基础元件。

二、核心技术参数详解

产品关键性能参数可满足90%以上通用电路需求,具体如下:

参数分类 规格值 实际意义 标称阻值 40.2kΩ 经激光微调实现精准控制 精度 ±1% 满足信号调理、偏置电路的精度要求 额定功率 50mW(0.05W) 适配低功率信号电路,避免过载 最大工作电压 25V 防止过压导致电阻体击穿或阻值漂移 温度系数(TCR) ±200ppm/℃ 温度每变1℃,阻值变化≈8Ω,宽温下稳定性好 工作温度范围 -55℃~+155℃ 覆盖工业低温、汽车高温等极端环境 封装尺寸 0.6mm×0.3mm×0.23mm 体积小巧,适配高密度PCB布局

三、工艺与材料特性

该电阻采用厚声成熟的厚膜工艺,核心材料与工艺确保性能稳定:

  1. 陶瓷基片:以高纯度氧化铝为载体,绝缘性、热稳定性优异,适配宽温环境;
  2. 银钯电极:丝网印刷银钯(Ag-Pd)浆料后高温烧结,抗硫化性能优于纯银电极,长期使用不易失效;
  3. 钌基电阻体:印刷钌基(RuO₂)厚膜浆料形成电阻层,阻值稳定性、温度系数可控性优于碳膜/金属膜;
  4. 激光微调:通过激光烧蚀电阻体表面,精准调整阻值至±1%以内,避免机械微调的精度偏差;
  5. 环氧树脂涂层:涂覆防护涂层隔绝湿气、灰尘及机械损伤,提升长期可靠性。

四、典型应用场景

基于小型化、宽温适应性及低功率特性,该电阻广泛用于:

  • 消费电子:智能手机、智能手表的传感器偏置电路、音频放大偏置电阻;
  • 工业控制:小型PLC、温度传感器(如PT100)信号放大电路;
  • 汽车电子:车载USB接口、胎压监测模块(TPMS)的低功率辅助电路(155℃高温适配发动机舱环境);
  • 通信设备:IoT节点、无线路由器的信号滤波电路、射频辅助电路。

五、性能优势

相比同封装其他电阻(如碳膜贴片电阻),该产品具有以下优势:

  1. 高密度布局适配:0201封装体积仅为0402封装的40%,可显著提升PCB元件密度,满足可穿戴设备等对体积的严格要求;
  2. 宽温稳定性:±200ppm/℃ TCR+宽温区,在高低温循环下阻值漂移小,适合工业、汽车等极端场景;
  3. 成本与性能平衡:±1%精度满足通用需求,厚膜工艺成本低于薄膜电阻,性价比突出;
  4. 可靠性高:银钯电极抗硫化、环氧树脂涂层抗腐蚀,厚声品牌经过高温存储、温度循环测试,批量应用稳定;
  5. 降额空间充足:额定功率50mW,70%降额(≤35mW)后寿命超10万小时,满足长期使用需求。

六、使用注意事项

为确保性能与可靠性,使用时需注意:

  1. 功率降额:避免额定功率下长期工作,125℃时功率≤35mW,25℃时≤40mW;
  2. 电压限制:最大工作电压25V,不可超压使用;
  3. 焊接工艺:回流焊峰值温度≤245℃,时间≤10秒,避免虚焊或过热损坏;
  4. 环境防护:避免在高湿度(>90%RH)、含硫化气体(如H₂S)环境中使用,必要时涂覆 conformal coating。

七、总结

0201WMF4022TEE是厚声电子的高性价比厚膜贴片电阻,凭借小型化、宽温适应性、高精度等特点,成为电子设计中可靠的基础元件选型。其覆盖的应用场景从消费电子到工业、汽车领域,满足了不同行业对低功率、高密度电阻的需求,是工程师平衡成本与性能的优选方案。

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