WMSIC Electronic Components

UNI-ROYAL 0201WMJ039JTEE

Model0201WMJ039JTEE
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
UNI-ROYAL 0201WMJ039JTEE
Type
UNI-ROYAL
Minimum package
15000 圆盘

Technical parameters

Power
50mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0201WMJ039JTEE
Electronic Component
1
Package
0201
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.008g
Electronic Component
3.9Ω
Electronic Component
10
Electronic Component
BM0265618527
Operating Temperature
55℃~+155℃
Operating Voltage
25V
Electronic Component
100ppm/℃~+350ppm/℃
Resistor Type
Resistor

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

0201WMJ039JTEE 厚膜贴片电阻产品概述

一、产品基本定位与核心参数

0201WMJ039JTEE是UNI-ROYAL(厚声)推出的通用型厚膜贴片电阻,主打0201小封装、低功率场景的电路匹配需求,核心参数明确可直接支撑选型:

  • 阻值:3.9Ω(固定电阻,无可调设计);
  • 精度:±5%(通用级偏差,满足多数常规电路的阻值容错要求);
  • 额定功率:50mW(0201封装典型功率等级,适配低功耗电路);
  • 工作电压:25V(需注意:实际使用需同时满足功率约束——( V \leq \sqrt{P \times R} \approx 0.44V ),25V为电压上限但功率优先);
  • 温度系数(TCR):-100ppm/℃+350ppm/℃(温度每变化1℃,阻值变化范围为-0.039mΩ+0.1365mΩ,适合对温度稳定性要求不苛刻的场景);
  • 工作温度范围:-55℃~+155℃(覆盖工业级与部分汽车级环境,耐高低温性能稳定)。

二、封装与尺寸特性

该电阻采用0201英制贴片封装,对应公制尺寸为0.5mm(长)×0.3mm(宽)×0.23mm(典型高度),核心优势体现在:

  1. 高密度PCB适配:尺寸极小,可大幅提升电路集成度,适合智能手机、智能手环等小型化终端的高密度布局;
  2. SMT工艺兼容:支持回流焊、激光焊等主流表面贴装工艺,焊接效率高,适配自动化生产线;
  3. 可靠焊接设计:两端电极结构与PCB焊盘匹配性好,焊接后机械强度满足常规振动环境要求(需注意焊盘尺寸需符合封装规范,避免虚焊)。

三、电气性能与可靠性表现

作为厚膜电阻,0201WMJ039JTEE平衡了成本与性能,可靠性符合行业标准:

  1. 厚膜工艺优势:采用丝网印刷厚膜技术制备电阻层,阻值一致性好,短期脉冲电流耐受能力优于薄膜电阻(适合音频滤波、传感器接口等场景);
  2. 功率稳定性:额定功率下长期工作,阻值漂移≤0.5%(典型值),满足常规电路的长期可靠性要求;
  3. 温漂特性:在-55℃~+155℃区间内,阻值最大变化约为( 3.9Ω \times 210℃ \times 350ppm/℃ \approx 0.286Ω ),属于通用级温漂水平;
  4. 耐环境性能:通过湿热试验(85℃/85%RH,1000h)后,阻值变化≤1%,满足工业现场的耐候要求。

四、典型应用场景解析

基于小封装、低功率、通用精度的特点,该电阻主要应用于以下场景:

  1. 消费电子终端:智能手机、蓝牙耳机的小信号电路(如音频滤波、电源偏置、传感器接口);
  2. 物联网设备:智能传感器节点、低功耗蓝牙模块的电阻匹配(如ADC参考电阻、通信电路偏置);
  3. 小型电源电路:DC-DC转换器的反馈电阻、LDO线性稳压器的输出分压(需注意功率降额);
  4. 汽车电子辅助电路:车载小功率传感器(温度/压力传感器)的信号调理电路(工作温度覆盖车载环境);
  5. 工业控制模块:小型PLC、传感器接口板的通用电阻应用(耐高低温适配工业现场)。

五、品牌与品质保障

UNI-ROYAL(厚声)是国内被动元器件龙头厂商,该产品品质保障包括:

  1. 工艺管控:全自动生产流水线,阻值一致性控制在±5%以内,符合IEC 60115-1国际标准;
  2. 环保认证:符合RoHS 2.0、REACH SVHC要求,无铅无卤,适配全球市场;
  3. 产能与交期:大规模生产基地支撑充足产能,常规订单交期710工作日,紧急订单可支持35工作日;
  4. 售后支持:提供技术咨询与样品支持,批量订单可定制卷盘包装(适配SMT贴片机)。

六、选型与使用注意事项

为确保电路可靠性,使用需注意:

  1. 功率降额:实际工作功率建议≤40mW(额定功率的80%),避免长期过载导致阻值漂移;
  2. 电压约束:优先遵循功率限制(( V \leq 0.44V )),25V仅为电压上限;
  3. 焊接工艺:回流焊温度曲线需符合厚声 datasheet(预热150180℃/1060s,峰值230250℃/35s),避免过热损坏;
  4. 焊盘匹配:PCB焊盘尺寸参考0201规范(长0.6mm,宽0.3mm),避免虚焊或应力集中;
  5. 温区适配:若环境温度超过155℃(如高温工业场景),需更换更高温区(175℃)型号。

该产品凭借小封装、高可靠性与成本优势,是通用低功耗电路的优选电阻之一。

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