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UniOhm 0805W8F1500T5E Resistor 0805W8F1500T5E
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Uni Ohm 0805W8F1500T5E
- Type
- UNIOHM
- Minimum package
- 5000
Technical parameters
- Power
- 125mW
- Electronic Component
- UNIOHM
- Electronic Component
- 0805W8F1500T5E
- Electronic Component
- 1
- Package
- 0805
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.027g
- Electronic Component
- 150Ω
- Electronic Component
- 10
- Electronic Component
- BM0230639949
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 150V
- Electronic Component
- ±100ppm/℃
- Resistor Type
- Resistor
- Electronic Component
- 5000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
0805W8F1500T5E 产品概述
一、主要参数
- 电阻类型：厚膜电阻
- 阻值：150 Ω
- 精度：±1%
- 额定功率：125 mW（室温条件下）
- 额定工作电压：150 V（器件耐压）
- 温度系数（TCR）：±100 ppm/℃
- 工作温度范围：-55 ℃ ~ +155 ℃
- 封装：0805（2012英制）
- 品牌：UniOhm（台湾 厚声）
二、产品特性
0805W8F1500T5E 为厚膜工艺的表面贴装电阻，结合紧凑的0805封装与较高的精度（±1%），适用于一般电子产品中对阻值稳定性和成本有平衡要求的电路。厚膜电阻具有良好的批量一致性、可焊性和机械强度，适合自动化贴装生产。
三、功率与电压使用注意
- 额定功率125 mW是在规定环境与散热条件下的最大持续耗散能力。实际使用时需考虑PCB散热和周围器件影响。
- 虽然器件标称耐压可达150 V，但对于150 Ω 的电阻，基于功率限制的连续工作电压应按 V = √(P·R) 计算：Vmax ≈ √(0.125×150) ≈ 4.33 V。也就是说，超过约4.3 V 连续施加会使器件超出额定功率而发热或损坏。150 V 为结构耐压（瞬态或绝缘），并不等同于在功率限制下可持续施加的电压。
四、温度稳定性与精度考量
TCR 为 ±100 ppm/℃，意味着温度每变化1℃，阻值理论上变化约0.01%。例如温度变化100℃ 时，阻值可能变化约1%（100 ppm/℃ × 100℃ = 10000 ppm = 1%），与器件初始±1%精度相叠加，应在高精度或宽温度范围应用中予以考虑。
五、封装、焊接与可靠性
0805 封装便于高速贴装与回流焊处理。建议遵从制造商的回流焊工艺规范进行焊接，避免长时间在高温区滞留以保证性能与寿命。厚膜电阻对机械应力较敏感，焊盘设计与焊接工艺应避免热冲击与剪切力。常规可靠性测试包括温度循环、负载寿命和潮湿耐受性。
六、典型应用场景
适用于消费电子、嵌入式控制、传感器前端（非精密基准）、电源分流限流（低电压）、信号分压与偏置网络等场合。由于功率与电压限制，不建议用于高压或高功率分压器件。
七、选型与采购建议
在选型时须同时考虑阻值、精度、环境温度范围与实际电压/功率条件。若电路存在高工作电压或瞬态冲击，应评估是否需要更大封装或更高功率/更高耐压的元件。采购时可要求厂商提供完整的数据表、回流焊曲线和可靠性认证以便于生产验证。包装通常支持带卷方式，便于SMT贴装。
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