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UNI-ROYAL 0402WGF7501TCE
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- UNI-ROYAL 0402WGF7501TCE
- Type
- UNI-ROYAL
- Minimum package
- 10000 圆盘
Technical parameters
- Power
- 62.5mW
- Electronic Component
- Electronic Component
- Electronic Component
- UNI-ROYAL
- Electronic Component
- 0402WGF7501TCE
- Electronic Component
- 1
- Package
- 0402
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.009g
- Electronic Component
- 7.5kΩ
- Electronic Component
- 10
- Electronic Component
- BM0257242483
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 50V
- 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.
0402WGF7501TCE 产品概述
一、产品简介
0402WGF7501TCE 是 UNI-ROYAL（厚声）出品的一款贴片厚膜电阻，封装为0402（约1.0mm × 0.5mm），标称阻值 7.5kΩ，精度 ±1%，额定功率 62.5mW，额定工作电压 50V，温度系数（TCR）±100ppm/℃，工作温度范围 -55℃ ~ +155℃。定位为高密度PCB上通用的精密厚膜SMD电阻元件。
二、主要参数一览
- 阻值：7.5kΩ
- 精度：±1%
- 功率：62.5mW（额定）
- 额定工作电压：50V
- 温度系数：±100ppm/℃（典型）
- 工作温度：-55℃ ~ +155℃
- 封装：0402（贴片）
三、特性与优势
- 体积小、轻薄，适合高密度表贴组装与微型化产品设计；
- 厚膜工艺成本优势明显，适合大批量生产；
- ±1% 精度可满足一般精密分压、偏置及滤波网络要求；
- 宽温区工作能力，适应工业级温度环境。
四、设计与使用注意事项
- 功率与电压关系：使用时须考虑 P = V^2/R。以本器件为例，按额定功率计算允许最大持续电压 Vmax = √(P·R) = √(0.0625W × 7,500Ω) ≈ 21.6V。虽标注额定工作电压为 50V，但在 7.5kΩ 情况下若施加 50V，会导致功率远超额定值（≈333mW），造成元件损坏。设计时应以两者中更限制性的条件为准。
- 温度系数影响：TCR ±100ppm/℃，举例从25℃升至100℃（ΔT=75℃）时阻值变化约 ±0.75%，与 ±1% 精度相叠加，须在系统容差内评估总误差。
- 功率余量与降额：建议长期工作时采用降额策略（例如≤50%~70%额定功率）以提高可靠性与寿命，尤其在高温环境中更应保留裕量。
- 焊接与机械应力：0402 尺寸较小，贴装与回流焊工艺需控制温度曲线与焊膏量，避免过热及强力刮擦导致开裂或焊点问题。
五、典型应用场景
- 移动终端、可穿戴设备及消费类电子的分压、限流与偏置；
- 通信设备、传感器前端的参考与阻抗匹配（在可接受TCR范围内）；
- 高密度电路板的通用精密电阻需求。
六、封装与生产建议
0402 小封装适配主流贴片机与回流焊流程，建议使用规范化的贴片布局、合适的焊盘尺寸与焊膏印刷，以降低焊接缺陷率。存储和运输注意防潮防压。
七、选型与采购建议
在选型时，请结合实际电压、功耗及温度变化评估工作点，若需在高电压或高功率工况下使用，应考虑更大功率或更高耐压的封装/型号。若需样品或批量采购，可向 UNI-ROYAL（厚声）或授权代理咨询器件可得性与可靠性试验数据。
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