WMSIC Electronic Components

UNI-ROYAL 0201WMF2702TEE

Model0201WMF2702TEE
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 0201WMF2702TEE
Type
UNI-ROYAL
Minimum package
15000 圆盘

Technical parameters

Power
50mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0201WMF2702TEE
Electronic Component
1
Package
0201
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.008g
Electronic Component
27kΩ
Electronic Component
10
Electronic Component
BM0263477348
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.

0201WMF2702TEE 厚膜贴片电阻产品概述

一、产品核心身份与定位

0201WMF2702TEE是UNI-ROYAL(厚声) 推出的一款小功率高精度厚膜贴片电阻,属于0201封装系列的典型产品。其核心定位是兼顾高密度电路设计、中等精度需求与成本优势,广泛适用于消费电子、工业控制等对体积和稳定性有要求的场景,是替代普通低精度电阻的高性价比选择。

二、关键性能参数详解

这款电阻的核心参数直接决定了应用边界,具体解析如下:

1. 阻值与精度

  • 标称阻值:27kΩ(对应代码“2702”,即27×10²Ω);
  • 精度等级:±1%,远高于普通±5%精度电阻,能避免因阻值偏差导致的信号波动,满足分压、滤波等电路对一致性的要求。

2. 功率与电压能力

  • 额定功率:50mW(0.05W),适配低功耗电路;
  • 最大工作电压:25V,结合公式(P=U^2/R)计算,25V下实际功耗约23mW,未超额定值,确保长期安全工作。

3. 温度稳定性(TCR)

  • 温度系数:±200ppm/℃,表示每变化1℃,阻值相对变化±0.02%。以-55℃~+155℃的宽温范围计算,总阻值变化约±4.2%,虽不属高精度温度稳定型,但能满足大部分工业/消费场景的温度适应性。

4. 工作温度范围

  • 范围:-55℃~+155℃,覆盖汽车电子(部分)、工业现场的极端温度,比普通消费级电阻(0℃~70℃)的环境适应性强得多。

三、封装与工艺特性

1. 0201封装尺寸

  • 英制尺寸:0.02英寸(长)×0.01英寸(宽),约合0.5mm×0.25mm;
  • 优势:极小体积适配高密度PCB设计,比如智能手机主板、可穿戴设备等对空间要求苛刻的场景,能有效缩小电路尺寸。

2. 厚膜工艺优势

采用厚膜丝网印刷+高温烧结工艺:

  • 成本优势:比薄膜电阻(如NiCr薄膜)成本低30%左右,适合批量应用;
  • 性能稳定:厚膜层与陶瓷基底结合紧密,耐温性、抗浪涌能力优于部分薄膜电阻;
  • 焊接兼容:适配主流回流焊、波峰焊工艺,焊接可靠性高(符合IPC-610标准)。

四、典型应用场景

结合参数与工艺,这款电阻的典型应用集中在以下领域:

1. 消费电子终端

  • 智能手机/平板:信号滤波、触控电路分压、电源管理辅助电阻;
  • 可穿戴设备:智能手表、手环的传感器信号调理(如心率传感器分压)。

2. 工业控制电路

  • 小型传感器节点:温度、压力传感器的信号放大/分压电阻;
  • 工业PLC辅助电路:低功耗控制模块的电阻网络。

3. 汽车电子(基础应用)

  • 车载小功率电路:仪表盘背光调节、传感器信号预处理(适配-55℃~155℃宽温)。

4. 物联网终端

  • 低功耗传感器节点:智能家居温湿度传感器的分压电路,兼顾小体积与宽温。

五、品牌与可靠性保障

UNI-ROYAL(厚声)作为国内电阻行业主流品牌,0201WMF2702TEE通过以下方式保障可靠性:

  • 认证合规:符合RoHS、REACH环保标准,无铅焊接兼容;
  • 可靠性测试:经过高温存储(155℃×1000小时)、温度循环(-55℃~155℃×500次)测试,阻值变化控制在±1%以内;
  • 批量一致性:自动化生产确保每批次阻值偏差≤0.5%,适合大规模贴片生产。

六、选型与使用注意事项

1. 功率降额建议

实际应用中建议将功率控制在35mW以内(额定功率70%降额),延长产品寿命,避免长期过载导致阻值漂移。

2. 焊接工艺注意

  • 回流焊温度:峰值≤260℃,回流时间≤60秒(符合IPC标准);
  • 避免手工焊接:0201封装极小,手工焊接易虚焊,建议用自动化贴片设备。

3. 存储条件

未使用的电阻需存放在**湿度<60%、温度25℃±5℃**的环境中,避免受潮影响焊接性能。

4. 场景适配提示

若需更严格的温度稳定性(如TCR≤50ppm/℃),可考虑薄膜电阻,但成本提升约50%;这款产品更适合对成本敏感且温度要求中等的场景。

综上,0201WMF2702TEE是一款平衡了体积、精度、成本与可靠性的实用型电阻,能满足多数中小功率电路的设计需求。

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