WMSIC Electronic Components

UNI-ROYAL 0805W8F3000T5E

Model0805W8F3000T5E
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 0805W8F3000T5E
Type
UNI-ROYAL
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0805W8F3000T5E
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.027g
Electronic Component
300Ω
Electronic Component
1
Electronic Component
BM0257245558
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.

0805W8F3000T5E 厚膜贴片电阻产品概述

一、产品核心属性梳理

0805W8F3000T5E是UNI-ROYAL(厚声) 推出的厚膜贴片电阻,采用行业通用0805封装(尺寸约2.0mm×1.2mm),核心参数匹配中低功耗、中等精度的电子电路需求:

  • 阻值:300Ω ±1%(工业级基础精度,满足多数场景误差要求)
  • 功率:125mW(额定功率,实际使用需遵循降额规范)
  • 工作电压:150V(最大连续工作电压,无峰值限制)
  • 温度系数:±100ppm/℃(阻值随温度变化的漂移量,性能稳定)
  • 工作温度范围:-55℃~+155℃(覆盖极端环境,适配汽车、工业场景)

二、工艺与设计优势

作为厚膜电阻,该产品通过厚膜印刷+高温烧结工艺 实现性能平衡:

  1. 材料稳定性:采用金属氧化物厚膜层,相比碳膜电阻温度特性更优,相比薄膜电阻成本更低、耐过载能力更强;
  2. 封装适配性:0805封装是贴片电阻主流尺寸,兼容绝大多数SMT生产线,可实现高速贴装,适合批量生产;
  3. 焊盘可靠性:焊盘经防氧化处理,回流焊后焊接强度高,长期使用不易出现虚焊、脱焊问题,降低售后风险。

三、关键性能参数深度解析

3.1 精度与温漂控制

±1%的阻值精度可覆盖消费电子、工业控制的基础需求(如传感器信号分压、电路偏置);±100ppm/℃的温度系数意味着:当环境温度从-55℃变化到+155℃(温差210℃),阻值最大漂移量为300Ω×210×0.0001=6.3Ω,仍在±1%精度范围内,不影响电路核心功能。

3.2 功率与电压能力

125mW额定功率适合低功耗场景(如手机主板小信号电路、LED指示灯限流);150V工作电压可覆盖中等电压电路(如24V工业电源分压监测、12V车载辅助电路),无需额外串并联电阻,简化设计。

3.3 环境适应性

-55℃~+155℃宽温范围是核心优势:在汽车发动机舱(最高120℃以上)、北方户外工业设备(最低-40℃以下)等场景中,仍能保持稳定性能,无需额外加温控措施。

四、典型应用场景

  1. 消费电子:手机/平板屏幕背光限流电阻、音频电路偏置电阻、电池保护板检测电阻;
  2. 工业控制:PLC输入输出接口电阻、温度传感器分压电阻、电机驱动辅助电阻;
  3. 汽车电子:车载中控小信号电路、倒车雷达传感器接口电阻、车灯控制限流电阻;
  4. 通信设备:路由器/交换机电源滤波辅助电阻、基站小功率信号调理电路。

五、使用与选型注意事项

  1. 功率降额:实际使用功率建议不超过额定值的80%(即100mW),环境温度超100℃时需提高至70%,延长产品寿命;
  2. 焊接规范:SMT回流焊峰值温度≤260℃(持续≤10秒),手工焊接温度≤350℃(持续≤3秒),避免高温损坏电阻层;
  3. 储存条件:未开封产品储存在0℃~40℃、相对湿度≤60%的干燥环境,开封后12个月内使用完毕,防止受潮影响焊接性能。

该产品以高性价比、宽温稳定的特点,成为0805封装厚膜电阻的主流选型之一,适配多领域电子电路的基础电阻需求。

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