WMSIC Electronic Components

UNI-ROYAL 0402WGF1503TCE

Model0402WGF1503TCE
Package0402
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 0402WGF1503TCE
Type
UNI-ROYAL
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0402WGF1503TCE
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
150kΩ
Electronic Component
50
Electronic Component
BM0257242454
Operating Temperature
55℃~+155℃
Operating Voltage
50V
Electronic Component
±100ppm/℃
Resistor Type
Resistor

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

0402WGF1503TCE 产品概述

一、产品简介

0402WGF1503TCE 是 UNI-ROYAL(厚声)生产的一款 0402 封装厚膜贴片电阻。标称阻值 150 kΩ,精度为 ±1%,额定功率为 62.5 mW,额定工作电压 50 V,温度系数 ±100 ppm/°C,工作温度范围 -55 ℃ 到 +155 ℃。该器件以体积小、成本低、适用于高密度贴装的常用电阻产品定位,适合信号、分压、上拉/下拉等低功耗电路。

二、主要技术参数

  • 电阻类型:厚膜贴片电阻(SMD, thick film)
  • 标称阻值:150 kΩ(型号代码 1503 对应 150kΩ)
  • 精度:±1%(紧密公差,适用于对阻值稳定性有一定要求的应用)
  • 额定功率:62.5 mW(在制造商规定的参考环境温度下)
  • 额定工作电压:50 V(器件允许的最大工作电压,应以此为上限)
  • 温度系数(TCR):±100 ppm/℃(说明阻值随温度变化的幅度)
  • 工作温度:-55 ℃ ~ +155 ℃
  • 封装:0402 (典型外形尺寸约 1.00 mm × 0.50 mm)
  • 品牌:UNI-ROYAL(厚声)

三、特性与优势

  • 小尺寸:0402 尺寸适合高密度贴片电路,节省 PCB 面积。
  • 精度较高:±1% 的阻值精度使其可用于精密分压、偏置网络等场合。
  • 宽温度范围与良好可靠性:-55 ℃ 至 +155 ℃ 的额定温度范围满足大多数工业级应用。
  • 经济性好:厚膜工艺在成本控制上具有优势,适合大批量生产的通用电阻需求。
  • TCR 中等:±100 ppm/℃ 对于一般信号与偏置用途足够,但在温漂要求极高的测量或精密增益回路应考虑更低 TCR 的薄膜/金属膜电阻。

注意:厚膜电阻的噪声系数通常略高于薄膜电阻,且随阻值增大,泄漏与表面污染对高阻值器件的影响更明显。

四、适用场景建议

  • 数字/模拟电路中的上拉、下拉电阻、偏置电阻
  • 分压网络和电压检测电路(注意功耗限值与测量准确性)
  • 便携与消费类电子、高密度 PCB 布局的常规阻值需求
  • 不是理想选择的场合:高精度温度补偿、低噪声传感前端、需要极低 TCR 的高精密测量系统

五、使用与可靠性注意事项

  • 功率与电压限制:虽然按 P = V^2 / R 理论计算,62.5 mW 与 150 kΩ 对应的理论最大电压约为 97 V(sqrt(0.0625×150000) ≈ 96.8 V),但器件额定工作电压为 50 V,应严格以额定工作电压为上限使用,避免高压导致击穿或失效。
  • 温度降额:额定功率通常在参考环境温度下给出,随环境温度上升需按厂商的降额曲线线性或近似线性降额,避免在高温环境中超过允许的功耗。
  • 焊接与贴装:遵循制造商的回流焊工艺规范和 IPC/JEDEC 建议;在回流时应避免过长时间的高温暴露以减少电阻漂移。具体回流曲线以厂商资料为准。
  • PCB 设计:建议按厂家推荐或 IPC-7351 标准设计 0402 的焊盘,保证焊接可靠性并便于回流。严格控制焊膏施加量和贴装位置精度以减少开路或虚焊风险。
  • 环境与清洗:高阻值器件对表面污染、潮气敏感,必要时在清洗过程中使用合适的方法并遵守湿敏等级(MSL)和包装/存储说明。
  • 机械应力:0402 为微小封装,避免在贴装或波峰焊过程中施加过大机械应力,注意贴片机与回流工艺的设定。

六、典型计算与选型提示

  • TCR 影响计算:±100 ppm/℃ 表示阻值每升高 1 ℃ 约变化 0.01%;对 150 kΩ 来说为 ±15 Ω/℃,在温度跨度较大时需考虑累积误差。
  • 阻值选择:高阻值(如 150 kΩ)适合低电流检测或高阻抗分压,若用于分压与 ADC 输入,需考虑输入阻抗与噪声。
  • 订购与替代:型号后缀通常包含封装、精度与包装信息;完整物料号与包装(盘带、卷带)信息以供应商物料表为准。若需更低噪声或更好温漂,可考虑薄膜或金属膜同规格产品作为替代。

若需更详细的焊接曲线、封装机械尺寸图或可靠性(寿命、功率降额曲线、湿敏等级)参数,请提供是否需要我为您索取或整理 UNI-ROYAL 的原厂数据表。

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