WMSIC Electronic Components

UNI-ROYAL 0805W8J0473T5E

Model0805W8J0473T5E
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 0805W8J0473T5E
Type
UNI-ROYAL
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0805W8J0473T5E
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.027g
Electronic Component
47kΩ
Electronic Component
1
Electronic Component
BM0256044949
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.

0805W8J0473T5E 产品概述

一、主要规格

0805W8J0473T5E 为 UNI-ROYAL(厚声)系列贴片厚膜电阻,封装为 0805(2012公制),阻值 47 kΩ,精度 ±5%,额定功率 125 mW,最高工作电压 150 V,温度系数 ±100 ppm/℃,工作温度范围 -55℃ ~ +155℃。该器件适配常规表面贴装工艺,尺寸小、可靠性高,适合大批量生产与自动化贴装。

二、产品特点

  • 厚膜工艺,成本效益高,批量一致性良好。
  • 0805 小型封装,适用于空间受限的电路板布局。
  • ±5% 标称精度满足一般模拟与数字电路的通用需求。
  • 工作温度范围宽,能够在工业级环境中长期稳定工作。
  • 额定功率 125 mW,配合合理的PCB散热设计可满足中低功率应用需求。

三、电气与热性能说明

  • 阻值稳定性:在典型工作条件下,厚膜电阻具有良好的长期阻值稳定性,但相比薄膜电阻在极限精度与低噪声方面表现略逊。
  • 温度特性:±100 ppm/℃ 的温度系数适用于多数通用电子产品,针对高精度或高温漂要求请考虑温度系数更低的方案。
  • 功率与散热:125 mW 为封装在标准PCB上可实现的额定耗散功率;实际功率能力受PCB铜箔面积、层数及环境温度影响,建议在设计时留有余量并遵循降额规则。
  • 工作电压:150 V 的最高工作电压适合绝大多数信号和低压电源电路;在高电压或冲击场合应注意击穿裕度与绝缘距离。

四、典型应用场景

  • 消费电子:移动设备外围去耦、分压、电平设定。
  • 工业控制与自动化:传感器接口、基准分压、滤波网络。
  • 通信设备:阻抗匹配、偏置网络、反馈回路。
  • 仪表与测量:通用限流、上拉/下拉电阻等。

五、选型与设计注意事项

  • 若电路对精度、温漂或噪声有较高要求,可考虑更高精度(±1%/±0.1%)或薄膜/金属膜产品。
  • 在高环境温度或功率密集区应进行功率降额计算,增大铜箔散热或改用更高功率封装(如1206、1210)以延长寿命。
  • 对高频或射频路径,需考虑寄生电感、电容对性能的影响,必要时参考厂商高频特性数据。
  • 电阻两端及附近布局应保证足够的绝缘距离以满足 150 V 工作电压和安全规范。

六、焊接与储存建议

  • 支持无铅回流焊,建议遵循常见无铅回流曲线,峰值温度一般不超过 260℃,并控制在制造商推荐的时间窗口内。
  • 避免在过度潮湿或高温环境中长期存储,建议在原包装密封环境下保存并遵守先入先出原则。
  • 贴装时注意避免超出机械应力限制,防止在回流或波峰过程中产生裂纹或剥离。

七、包装与采购提示

  • 常见包装为卷带(Tape & Reel),适配自动贴片机;可根据需求选择不同卷盘长度。
  • 订购时请确认完整料号、阻值、精度、包装方式及焊接工艺兼容性,并与供应商核对最新技术数据表以获取具体机械尺寸和可靠性测试结果。

总结:0805W8J0473T5E 是一款通用型厚膜贴片电阻,适用于多数普通电子设计,具有成本优势与良好的环境适应性。在高精度或高功率场合请选择更适合的产品或加强PCB散热设计。若需更详细的电气图纸、回流焊建议或可靠性数据表,可进一步提供以便查询厂商规格书。

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