WMSIC Electronic Components

UNI-ROYAL 0201WMJ0270TEE

Model0201WMJ0270TEE
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 0201WMJ0270TEE
Type
UNI-ROYAL
Minimum package
15000 圆盘

Technical parameters

Power
50mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0201WMJ0270TEE
Electronic Component
1
Package
0201
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.008g
Electronic Component
27Ω
Electronic Component
50
Electronic Component
BM0263574714
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.

0201WMJ0270TEE 厚膜贴片电阻产品概述

一、产品定位与品牌依托

0201WMJ0270TEE是厚声电子(UNI-ROYAL) 推出的通用型厚膜贴片电阻,针对小型化、低功耗电子设备设计,主打“高集成度+宽温适应性”,是消费电子、IoT、工业控制等领域的常规选型料号。厚声作为国内被动元件头部厂商,其贴片电阻产能稳定、品质符合AEC-Q200(汽车级)基础标准,该型号可覆盖商业级至工业级场景需求。

二、核心电气参数详解

1. 阻值与精度

阻值为27Ω±5%,属于E24系列常用阻值(E24是电子电路最广泛使用的阻值序列),实际阻值范围在25.65Ω~28.35Ω之间,无需高精度校准即可满足大多数通用电路的分压、限流、信号匹配需求,可有效降低BOM成本。

2. 功率与电压

额定功率50mW,是0201封装贴片电阻的典型功率承载能力;最大工作电压25V,适配低压直流/交流电路(≤25V),避免高压击穿风险。

3. 温度系数与温宽

温度系数**±200ppm/℃,即温度每变化1℃,阻值变化±27Ω×200ppm=±5.4mΩ;在-55℃~+155℃** 宽温范围内,最大阻值变化约±1.62Ω,可稳定适配寒冷/高温环境(如户外传感器、车载小模块)。

三、封装与物理特性

1. 封装规格

采用0201英寸封装(公制尺寸:0.6mm×0.3mm),是当前贴片电阻小型化的主流封装之一,可大幅节省PCB面积(比0402封装节省约60%空间),适合高密度布局(如智能手机主板、智能手表传感器模块)。

2. 工艺与结构

基于厚膜工艺制造:在高纯度氧化铝陶瓷基板上印刷钌基电阻浆料,经高温烧结、电极涂覆(镍/锡镀层)而成,兼具“成本低+稳定性好”的特点,抗机械应力能力优于薄膜电阻。

3. 焊接兼容性

两端电极采用可焊性优异的金属镀层,兼容回流焊(峰值温度235℃~245℃)、波峰焊等常规贴片工艺,焊接后无虚焊、脱落风险,符合IPC-A-610电子组装标准。

四、典型应用场景

1. 消费电子

  • 智能手机/手表:麦克风偏置电路(27Ω限流)、LED指示灯驱动(低功耗匹配);
  • 无线耳机:蓝牙模块信号分压(小封装节省空间)。

2. IoT与智能家居

  • 智能传感器节点:温湿度传感器的电源滤波(50mW低功耗适配);
  • 低功耗蓝牙模块:天线匹配网络(27Ω阻值适配多数2.4GHz频段匹配需求)。

3. 工业控制

  • 小型PLC:数字输入输出接口的限流电阻(宽温范围满足工业现场-20℃~+85℃需求);
  • 电机驱动模块:小功率电机的电流检测分压(27Ω阻值适配100mA以下电流检测)。

五、可靠性与使用注意事项

1. 可靠性测试

通过湿度循环(85℃/85%RH,1000小时)、温度冲击(-55℃~+155℃,500次) 等测试,阻值变化率≤±1%,符合IEC 60115-1国际标准。

2. 功率降额原则

在高温环境下需降额使用:

  • 125℃时,功率降额至额定的70%(≤35mW);
  • 155℃时,功率降额至额定的50%(≤25mW),避免热失效。

3. 选型验证

电路实际功耗需满足:( I ≤ \sqrt{P/R} = \sqrt{50mW/27Ω} ≈ 43mA ),若电路电流超过43mA,需选择更高功率封装(如0402封装1/16W)。

六、总结

0201WMJ0270TEE以“小封装、宽温、低成本”为核心优势,覆盖了从消费电子到工业控制的多场景需求,是电子工程师在小型化、低功耗设计中的常规选型料号。厚声的稳定供货能力也使其适合批量生产,无需担心断供风险。

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