WMSIC Electronic Components

UNI-ROYAL 0201WMJ0331TEE

Model0201WMJ0331TEE
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
UNI-ROYAL 0201WMJ0331TEE
Type
0201
Minimum package
15000 圆盘

Technical parameters

Power
50mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0201WMJ0331TEE
Electronic Component
1
Package
0201
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.008g
Electronic Component
330Ω
Electronic Component
50
Electronic Component
BM0263574929
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.

0201WMJ0331TEE厚膜贴片电阻产品概述

0201WMJ0331TEE是UNI-ROYAL(厚声)推出的0201封装厚膜贴片电阻,专为高密度、小功率电子电路设计,核心参数匹配通用电子设备的基础阻抗需求,兼具成本优势与可靠性,广泛应用于消费电子、工业控制等领域。

一、产品基本定位与核心参数

该电阻属于通用型厚膜贴片电阻,采用丝网印刷烧结工艺制造,核心参数明确如下:

  • 阻值:330Ω(数字代码“331”表示,即33×10¹=330Ω)
  • 精度:±5%(满足多数非高精度电路需求)
  • 额定功率:50mW(0201封装典型小功率)
  • 额定电压:25V(电压限制需结合功率计算实际工作范围)
  • 温度系数:±200ppm/℃(温度变化对阻值的影响可控)
  • 工作温度范围:-55℃~+155℃(覆盖工业级温区,适配极端环境)

二、关键性能指标详解

1. 阻值与精度

±5%精度属于通用精度等级,无需额外校准,可直接匹配大多数信号调理、分压、限流电路(如传感器接口、LED驱动辅助电阻),既降低成本,又保证批量应用的一致性。

2. 功率与电压匹配

  • 额定功率50mW是安全功率上限,实际工作需避免过功率:若电阻两端电压为V,工作功率P=V²/R,因此最大安全工作电压约为√(0.05×330)≈4.06V(远低于25V额定电压,需注意电压与功率的双重限制)。
  • 25V额定电压是绝缘耐压指标,仅表示无电流时的最大承受电压,实际使用需以功率限制为核心。

3. 温度特性与稳定性

  • 温度系数±200ppm/℃:温度每变化1℃,阻值变化±0.02%,例如125℃环境下(比25℃基准高100℃),阻值最大变化为330Ω×0.02%×100=0.66Ω,满足一般电路温漂要求。
  • 长期稳定性:厚膜烧结工艺使其抗老化性能优异,1000小时高温老化后,阻值漂移≤±0.5%,远低于行业通用标准(通常≤±1%)。

三、封装与物理特性

1. 0201封装尺寸

  • 英制:0.02英寸×0.01英寸(长×宽)
  • 公制:0.5mm×0.25mm(长×宽)
  • 属于超小型贴片封装,适配高密度PCB设计(如智能手机主板、可穿戴设备模块),可显著缩小电路体积。

2. 封装材料与可靠性

  • 基片:氧化铝陶瓷(Al₂O₃),耐高温、抗机械应力;
  • 电极:银钯合金(Ag-Pd),焊接兼容性好,无铅符合RoHS标准;
  • 保护层:环氧树脂,防潮、防机械损伤,提升环境适应性。

四、典型应用场景

该电阻因体积小、功率适配性强,广泛应用于以下场景:

  1. 消费电子:智能手机/平板的信号滤波、可穿戴设备(智能手环)的传感器接口限流;
  2. 工业控制:小型PLC输入输出模块、温度传感器调理电路(适配-55℃~155℃温区);
  3. 通信设备:WiFi模块、小型路由器的射频辅助电阻(高密度封装适配小体积需求);
  4. 汽车电子(辅助场景):车载仪表盘指示灯限流、低功率传感器接口(需结合具体汽车级认证要求)。

五、品牌与可靠性保障

UNI-ROYAL(厚声)是国内电阻制造龙头企业,产品通过ISO9001质量管理体系、ISO/TS16949汽车级认证,0201WMJ0331TEE需经过以下可靠性测试:

  • 温度循环测试:-55℃~155℃循环100次,阻值变化≤±0.3%;
  • 湿度测试:85℃/85%RH环境下1000小时,阻值漂移≤±0.5%;
  • 振动测试:符合IEC 60068-2-6标准(振动频率10~2000Hz),无开路/短路故障。

六、选型与使用注意事项

  1. 功率限制:实际工作功率不得超过50mW,避免过功率导致阻值漂移或烧毁;
  2. 焊接工艺:需采用回流焊(禁止手工焊接),峰值焊接温度≤260℃,焊接时间≤3秒(0201封装超小,易虚焊);
  3. 存储条件:常温干燥环境(1535℃,湿度4060%RH),开封后12个月内使用完毕;
  4. 替代选型:若需更高精度(±1%),可选择同系列0201WMJ0331TTE;若需更高功率(100mW),可切换至0402封装的330Ω电阻。

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