WMSIC Electronic Components

UNI-ROYAL 0805W8F2001T5E

Model0805W8F2001T5E
Package0805
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 0805W8F2001T5E
Type
UNI-ROYAL
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0805W8F2001T5E
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.027g
Electronic Component
2kΩ
Electronic Component
1
Electronic Component
BM0257245088
Operating Temperature
55℃~+155℃
Operating Voltage
150V
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.

0805W8F2001T5E 产品概述

一、产品简介

0805W8F2001T5E 是 UNI-ROYAL(厚声)出品的一款厚膜贴片电阻,封装规格为0805(2012公制),阻值为2.00 kΩ,精度为±1%。该器件以稳定的温度特性和可靠的焊接性能为特点,适用于各种消费电子、工业控制和通信设备的通用退耦、分压、限流等场合。

二、主要技术参数

  • 电阻类型:厚膜电阻(SMD)
  • 阻值:2.00 kΩ(标称)
  • 精度(公差):±1%
  • 功率额定:125 mW
  • 额定工作电压:150 V(器件承受的最高工作电压标称)
  • 温度系数(TCR):±100 ppm/°C
  • 工作温度范围:-55 ℃ ~ +155 ℃
  • 封装:0805(2012,约2.0 mm × 1.25 mm)
  • 品牌:UNI-ROYAL(厚声)

三、电气与热特性说明

  1. 功率与电压关系
    标称功率为125 mW,这一功率限制决定了在使用时通过器件的电压/电流不得超出所能散热能力。例如要在不超过125 mW 的条件下使用 2 kΩ 电阻,可近似计算允许的最大直流电压:Vmax ≈ sqrt(P·R) = sqrt(0.125 W × 2000 Ω) ≈ 15.8 V。虽然器件额定“工作电压”标称为150 V,但该值表示器件在结构和绝缘上所能承受的最高电压极限,不能与功率约束同时超限使用。实际电路设计时应以功率约束为先,并对工作电压进行必要的降额处理。

  2. 温度系数与精度
    TCR 为 ±100 ppm/°C,表明温度每变化 1 ℃,阻值约变化 0.01%。在温度变化较大的应用中需考虑总阻值漂移(由TCR与绝对温度变化共同决定),并根据系统容差决定是否需要更低TCR的器件。

  3. 环境温度对功率能力的影响
    随环境温度升高,器件的热阻和散热条件会导致可承受功率下降。建议在高温环境下按制造商的功率温度衰减曲线进行降额设计,确保长期可靠性。

四、封装与装配注意事项

  • 封装尺寸:0805(约2.0 mm × 1.25 mm),适用于自动贴装和回流焊工艺。
  • 回流焊:推荐遵循制造商及 JEDEC/IPC 标准的回流温度曲线,避免超出峰值温度或加热时间过长。厚膜电阻通常能适应无铅回流工艺,但需要严格控制峰值温度和循环次数。
  • 机械应力:在回流和清洗过程中避免对电阻施加过大的剪切或弯曲应力,焊盘设计与贴装工艺应减少应力集中。
  • 清洗:若使用清洗工艺,须确认所用溶剂不会腐蚀电阻表面标识或改变电阻性能,遵循产品说明的清洗兼容性建议。

五、典型应用场景

  • 精密分压、电平转换与限流电路
  • 移动设备与消费电子中的信号链路与偏置网络
  • 工业控制与测量设备中的传感器前端、滤波网络
  • 通信设备中的匹配与终端电阻(在符合功率与频率限制下)

六、选型与使用建议

  • 若电路存在较大温度变化或对阻值漂移要求严格,建议选用更低TCR或更高精度的型号。
  • 面对较高功率或集中发热场景,应选择额定功率更高的器件或采用并联/分压方案分散功耗。
  • 在高工作电压场合,必须同时满足电压和功率约束;若电压接近器件标称最大工作电压,应进行额外的安全裕度设计。
  • 建议在PCB布局时为0805电阻留足通孔及铜箔散热路径,必要时使用散热垫或增加铜面积改善散热。

七、储存与可靠性

  • 储存环境建议干燥、无腐蚀性气体、温度适中并避光保存;长期储存前请遵循制造商的防潮包装和再流焊前的干燥处理说明(如适用)。
  • UNI-ROYAL 的厚膜电阻通常通过焊接性、负载寿命和温度循环等可靠性测试,适合工业级应用,但重要系统建议进行产品级验证试验(如寿命、温度循环、湿热等)。

八、订购与标识

型号:0805W8F2001T5E;品牌:UNI-ROYAL(厚声);包装形式通常为卷带(Taped Reel),便于SMT自动贴装。订购时请确认所需数量、包装单位、以及是否需要特殊的出厂测试或认证文件(如RoHS 合规声明、可靠性报告等)。

如需更详细的热阻、功率-温度衰减曲线、回流焊工艺参数或样片测试数据,建议联系供应商索取完整数据手册与应用指导。

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