WMSIC Electronic Components

UNI-ROYAL 0603WAJ0272T5E

Model0603WAJ0272T5E
Package0603
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 0603WAJ0272T5E
Type
UNI-ROYAL
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0603WAJ0272T5E
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.023g
Electronic Component
2.7kΩ
Electronic Component
10
Electronic Component
BM0257624988
Operating Temperature
55℃~+155℃
Operating Voltage
75V
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.

0603WAJ0272T5E 产品概述

一、产品基本参数

0603WAJ0272T5E 为 UNI-ROYAL(厚声)品牌的厚膜贴片电阻,主要参数如下:

  • 阻值:2.7 kΩ
  • 精度:±5%(J)
  • 功率:0.1 W(1/10W)
  • 标称工作电压:75 V
  • 温度系数(TCR):±100 ppm/℃
  • 工作温度范围:-55℃ ~ +155℃
  • 封装:0603(常见尺寸约 1.6 mm × 0.8 mm)
    该型号常用于对体积与成本有严格限制的通用电子电路。

二、主要特点

  • 小体积:0603 封装适合高密度贴片 PCB 布局,节省板面空间。
  • 成本效益高:厚膜工艺使得批量成本低,适合大批量生产的通用电阻需求。
  • 可承受中等电压:最大工作电压可达 75 V,满足多数信号与电源旁路场景。
  • 宽工作温度:-55℃ 至 155℃,可在工业级环境下长期工作。
  • 温度特性稳定:TCR ±100 ppm/℃,在温度变化条件下阻值漂移可控,适合一般精度电路。

三、典型应用场景

  • 消费电子:移动设备、蓝牙模块、便携式仪表的分压、限流与上拉/下拉电路。
  • 工业控制:传感器信号处理、逻辑电路中需要小功率电阻的场合。
  • 通信设备:射频前端之外的偏置、匹配电路(注意功率与温漂要求)。
  • 家电电子:控制板中通用分压与限流元件。

四、封装与尺寸建议

0603(1608公制)是行业常用小型封装,典型尺寸约为:长 1.6 mm,宽 0.8 mm,厚度约 0.45 mm(不同供应商公差略有差异)。在 PCB 布局时建议参考厂商提供的封装 3D 与焊盘建议,以保证贴装可靠性与阻值稳定。

五、焊接与使用注意事项

  • 回流温度:建议遵循 JEDEC/厂商推荐回流曲线,峰值温度不超过 260℃,高于 220℃ 的时间应控制在规定范围内以避免性能退化。
  • 功率与降额:标称功率 0.1 W 通常在基准温度(例如 70℃)下测定;当环境温度上升时应线性降额至最大工作温度(如 155℃)时功耗接近 0。建议在设计中留有余量,避免长期满载工作。
  • 机械应力:贴装时避免在贴装、波峰焊或返修过程中对元件施加强烈弯曲或冲击,以免导致内部裂纹。
  • 清洗与化学:推荐使用常规的无腐蚀性清洗剂,避免长期浸泡于强酸碱或有机溶剂中。

六、可靠性与品质控制

UNI-ROYAL 按行业可靠性测试流程检验,包括温度循环、恒定湿热、焊接热冲击、振动与冲击、焊盘可焊性测试等。厚膜电阻具有良好的长期稳定性,但在高湿高温或过载条件下阻值漂移会加大,选型时应考虑环境与老化余量。

七、选型与替代建议

若需更高精度或更低 TCR,可考虑 1% 或 0.1% 精度的薄膜电阻或金属膜系列;若需要更高功率或更高节距的电阻,可选用 0805/1206 等更大封装的厚膜/薄膜产品。市场上有多家供应商提供规格等同的 0603 2.7k ±5% 0.1W 厚膜电阻,可按阻值代码与包装形式进行替换,但注意核对 TCR、最大工作电压与温度范围。

八、封装与采购建议

  • 包装形式:通常以卷带(Tape & Reel)供货,常见 7 英寸卷盘 4,000 颗/盘或 13 英寸卷盘 10,000 颗/盘。
  • 采购时核对:阻值、精度、功率、TCR、工作温度、封装代码与物料号(0603WAJ0272T5E)。对量产客户建议索取样品并做过板测试验证。

总结:0603WAJ0272T5E 是一款适用于一般电子产品中低功率、通用型的厚膜贴片电阻,具有小体积、成本低和工业级温度范围的优势。在实际设计中应关注功耗降额、回流焊接规范以及环境应力,从而保证长期可靠工作。若需更详细的封装图纸、回流曲线或可靠性数据,可向 UNI-ROYAL 厂家或授权代理索取完整规格书。

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