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UniOhm 0603WAF1104T5E
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Uni Ohm 0603WAF1104T5E
- Type
- UNIOHM
- Minimum package
- 5000 圆盘
Technical parameters
- Power
- 100mW
- Electronic Component
- Electronic Component
- Electronic Component
- UNIOHM
- Electronic Component
- 0603WAF1104T5E
- Electronic Component
- 1
- Package
- 0603
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.023g
- Electronic Component
- 1.1MΩ
- Electronic Component
- 10
- Electronic Component
- BM0259483127
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 75V
- 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.
0603WAF1104T5E 产品概述
一、产品简介
0603WAF1104T5E 为 UniOhm（台湾厚声）出品的厚膜贴片电阻，封装为 0603（约 1.6 × 0.8 mm），标称阻值 1.1MΩ，阻值精度 ±1%，额定功率 100 mW，最大工作电压 75 V，温度系数（TCR）±100 ppm/℃，工作温度范围 -55℃ 至 +155℃。该型号属于高阻值、小封装、通用型厚膜电阻，适用于占位受限且需高阻值的电子电路。
二、主要电气特性及意义
- 阻值 1.1MΩ：适用于高阻抗偏置、上拉/下拉电路、漏电流极低的分压、滤波与采样前置电路等场景。
- 精度 ±1%：在高阻值应用中可保证较好的分压精度与配对稳定性，减少后续校准负担。
- 额定功率 100 mW 与最大工作电压 75 V：在实际设计时应同时满足功率与电压限制，若电压接近 75 V，应避免将功率计算仅基于 P=V^2/R，而以厂家规定的工作电压为准。
- TCR ±100 ppm/℃：温度变化对阻值的影响约为每 ℃ ±0.01%，对高阻值精度要求高的电路需要考虑温漂补偿或温度控制。
- 工作温度 -55℃~+155℃：适合工业级与宽温环境工作要求。
三、性能优点与局限
优点：
- 小尺寸（0603）便于高密度 PCB 设计。
- ±1% 精度与较小 TCR 满足多数高阻值偏置与分压需求。
- 厚膜工艺成本较低，产能稳定，适合量产。
局限：
- 厚膜电阻相比金属膜在噪声与长期稳定性上略逊一筹，湿热条件下需注意表面泄漏与阻值漂移。
- 最高工作电压 75 V 对部分高压应用有局限，若需更高电压应选高压专用电阻或增加串联。
四、应用场景
- 模拟输入偏置电阻、放大器栅极/基极偏置电阻
- 高阻值分压器、ADC 前端阻抗设定
- 采样电路、传感器信号链中的上拉/下拉电阻
- 低功耗电路中需要小漏电与高阻隔离的场合
五、PCB 布局与可靠性建议
- 遵循厂家推荐的焊盘与回流工艺，避免过度热应力；常规 0603 可兼容标准回流曲线。
- 对于接近 75 V 的应用，应在 PCB 设计上保留足够爬电距离与组件间隔，防止表面闪络。
- 在湿热或带盐雾环境下，建议采用涂覆保护（如 conformal coat）或选用更高可靠性封装。
- 高阻值电路应注意清洁处理，避免焊膏残留或污染引起泄漏电流而影响性能。
六、选型与使用注意
- 生产与采购时以厂家数据手册为准，核对阻值、精度、温漂与环境等级。
- 电路设计中同时考虑功率与额定工作电压的双重限制，并在高温下按厂家降额曲线处理。
- 如对噪声、长期稳定性或高湿环境有更高要求，建议评估金属膜或薄膜电阻替代方案。
如需完整规格书、温度/功率降额曲线或推荐的 PCB 焊盘尺寸，可提供进一步索取 UniOhm 官方数据手册的信息，我可协助对照与解读。
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