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UniOhm 0805W8F3003T5E
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Uni Ohm 0805W8F3003T5E
- Type
- UNIOHM
- Minimum package
- 5000 圆盘
Technical parameters
- Power
- 125mW
- Electronic Component
- Electronic Component
- Electronic Component
- UNIOHM
- Electronic Component
- 0805W8F3003T5E
- Electronic Component
- 1
- Package
- 0805
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.027g
- Electronic Component
- 300kΩ
- Electronic Component
- 10
- Electronic Component
- BM0264675151
- 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.
0805W8F3003T5E 产品概述（UniOhm 台湾厚声）
一、产品简介
0805W8F3003T5E 为 UniOhm（台湾厚声）系列厚膜片式电阻，封装尺寸 0805（2012 公制），阻值 300kΩ，精度 ±1%，额定功率 125mW，最高工作电压 150V，温度系数（TCR）±100ppm/℃，工作温度范围 -55℃～+155℃。本型号面向需高阻值、高稳定性与小体积的通用电子应用，兼顾成本与可靠性。
二、主要特性
- 厚膜工艺，成本效益高，适合大批量制造。
- 阻值 300kΩ、1% 精度，适用于精密分压、偏置与高阻信号处理。
- 额定功率 125mW，典型小封装功率等级，适用于低功耗电路。
- 最高工作电压 150V，适配中低电压隔离场合。
- TCR ±100ppm/℃，温度漂移小，长期稳定性良好。
- 工作温度范围宽（-55℃～+155℃），适应工业级环境。
三、典型应用
- 信号采集与传感器接口的上拉/下拉与偏置网络。
- 电压分压器与高阻滤波电路。
- 便携与消费类电子中需节省贴片面积的电阻布局。
- 工业控制、仪表与测试设备中需要高阻值与宽温区的场合。
四、封装与安装建议
- 尺寸：0805（约 2.0 × 1.25 mm，依供应商工艺略有差异），表面贴装（SMT）。
- 推荐 PCB 父板焊盘与空间按 IPC 标准 0805 布局，以保证焊接强度与可制造性。
- 回流焊规范建议遵循 IPC/JEDEC 推荐温度曲线；峰值温度按元件说明不超 260℃。
- 功率使用注意：在环境温度上升时需做功率降额处理，通常在 70℃ 以上开始线性降额，接近最高工作温度时需限制功耗以免超过额定值。
五、可靠性与储存
- 推荐干燥储存，避免长期潮湿环境；若采用真空卷带封装，开盘后建议尽快使用或按厂家干燥回烘处理。
- 常见经认证试验：焊接可靠性、湿热、温度循环与负载寿命测试。长期稳定性受焊接与热应力影响，建议在设计时预留裕量。
六、选型与替代
- 若需更高功率或更低 TCR，可考虑更大封装或金属膜/合金膜产品；如需更高阻值精度，可选择 0.5% 或更高精度系列。
- 交叉参考规格：查找“0805 厚膜 300kΩ ±1% TCR ±100ppm 125mW”可定位功能相近替代件。
结论：0805W8F3003T5E 以其高阻值、1% 精度与宽温区特性，适合要求体积小、精度中高且环境适应性好的通用电路。设计时注意功率降额与焊接工艺，以确保长期可靠性。若需器件详细机械图或批量采购信息，可向 UniOhm 正规渠道获取数据手册与样品。
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