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TA-I Technology RMS06FT4991
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RMS06FT4991
- Type
- TA-I Technology
- Minimum package
- 5000 圆盘
Technical parameters
- Power
- 100mW
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- RMS06FT4991
- Electronic Component
- 1
- Package
- 0603
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.025g
- Electronic Component
- 4.99kΩ
- Electronic Component
- 10
- Electronic Component
- BM0264548245
- 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.
RMS06FT4991 厚膜贴片电阻产品概述
RMS06FT4991是大毅科技针对中小功率精密电路推出的0603封装厚膜贴片电阻，以紧凑体积、稳定性能与成本优势，适配消费电子、工业控制等多领域应用需求。
一、核心参数设计与性能优势
这款电阻的参数配置精准匹配常规电路需求，关键指标如下：
- 阻值与精度：固定阻值4.99kΩ，搭配±1%的公差（实际阻值范围4.9401kΩ~4.9999kΩ），满足多数信号调理、分压、反馈电路对阻值偏差的要求，无需额外校准；
- 功率与电压：额定功率100mW，最大工作电压50V，覆盖小信号放大、滤波、基准电压生成等典型场景的功耗与电压限制；
- 温度特性：温度系数±100ppm/℃，每升高1℃阻值变化约0.01%——以25℃为基准，125℃时阻值变化仅0.1%，适配宽温环境；
- 工作温度范围：-55℃~+155℃，覆盖工业级极端温度与消费电子的常规温变场景。
二、封装与工艺特点
1. 0603封装的布局优势
0603封装（英制0.06″×0.03″，公制1.6mm×0.8mm）是贴片电阻主流小封装，适合高密度PCB设计（如手机主板、智能穿戴），能有效节省板级空间。焊接兼容性强，支持回流焊、波峰焊等常规SMT工艺，适配自动化生产。
2. 厚膜工艺的性能平衡
采用厚膜电阻工艺（丝网印刷+烧结），平衡了稳定性与成本：
- 耐湿性：厚膜层与陶瓷基底结合紧密，抗潮湿能力优于碳膜电阻，长期使用阻值漂移小；
- 抗冲击：陶瓷基底机械强度高，能承受振动与冲击，适合工业设备环境；
- 一致性：批量生产阻值偏差控制在±1%以内，老化后变化率≤0.5%，满足应用一致性需求。
三、可靠性与环境适应性
RMS06FT4991的可靠性符合工业级标准：
- 温度循环：通过-55℃~+155℃循环测试（1000次以上），阻值变化率≤0.3%；
- 湿度耐久：85℃/85%RH环境下放置1000小时，阻值变化率≤0.2%；
- 过压耐受：短时间（1分钟）承受60V过压冲击（1.2倍额定电压），避免电路瞬态损坏。
四、典型应用场景
- 消费电子：手机、平板的信号滤波、电池管理分压检测；
- 工业控制：小型传感器（温度/压力）信号放大、PLC模块反馈电阻；
- 汽车电子：车载辅助电路（仪表盘背光、传感器信号处理）；
- 通信设备：路由器、交换机的小功率滤波、阻抗匹配。
五、选型与使用注意事项
- 功率降额：实际功率≤100mW，125℃以上需降额至80mW，避免过热；
- 电压限制：长期工作电压≤50V，防止绝缘层击穿；
- 焊接规范：回流焊峰值温度245℃±5℃（≤10秒），波峰焊≤260℃（≤3秒）；
- 存储要求：未焊接电阻存于常温（15~35℃）、干燥（湿度≤60%）环境，避免受潮。
这款电阻凭借成熟工艺与稳定性能，成为中小功率精密电路的高性价比选择，适配多领域的常规应用需求。
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