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Viking ARG03FTC2491
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Viking ARG03FTC2491
- Type
- VIKING
- Minimum package
- 5000 圆盘
Technical parameters
- Power
- 100mW
- Electronic Component
- Electronic Component
- Electronic Component
- VIKING
- Electronic Component
- ARG03FTC2491
- Electronic Component
- 1
- Package
- 0603
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.023g
- Electronic Component
- 2.49kΩ
- Electronic Component
- 1
- Electronic Component
- BM0263676857
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 75V
- Electronic Component
- ±25ppm/℃
- Resistor Type
- Resistor
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ARG03FTC2491 产品概述
一、概述
ARG03FTC2491 是 Viking（光颉）品牌的一款高稳定性贴片薄膜电阻，封装为 0603（1608 公制），标称阻值 2.49 kΩ，精度 ±1%，额定功率 100 mW，工作电压 75 V，温度系数（TCR）仅 ±25 ppm/℃，工作温度范围 -55℃ 至 +155℃。该产品面向高精度、低噪声的线性与测量电路，可满足工业级与仪表级应用对长期稳定性和温漂的严格要求。
二、主要性能亮点
- 精度与稳定性：±1% 阻值精度结合 ±25 ppm/℃ 的低温漂，使得在变化温度环境下依然能保持优秀的测量一致性和回授精度。
- 低噪声：薄膜工艺相比碳膜具有更低的额外噪声，适用于放大器前端、精密采样和低频滤波。
- 宽温度范围：-55℃ 至 +155℃，适应严苛工业及汽车电子环境（请根据实际应用参照可靠性规范）。
- 封装与功率：0603 小型化封装下实现 100 mW 功率，适合高密度贴装电路板设计。
三、使用与设计要点
- 电压与功率限制：理论上由功率与阻值决定的连续最大跨端电压约为 V = √(P·R) ≈ √(0.1·2490) ≈ 15.8 V。因此在连续工作条件下，务必以不超过约 15.8 V 为准以避免超过功率极限；规格表中的 75 V 为器件绝对耐压或短时条件下参考值，具体应以厂商数据页为准并避免长期在高压下工作。
- 温度降额：请按制造商提供的温度–功率降额曲线进行设计。常见做法是在高环境温度下线性降额以保证可靠性。
- 焊接兼容性：适配无铅回流工艺（建议遵循 J-STD-020 标准曲线），在回流过程中应控制峰值温度与时间以避免热应力。
- 布局建议：在高精度阻值网络中，对热源与热路径进行布局隔离，避免邻近大电流器件引起自热漂移；并参照厂商推荐的 0603 焊盘尺寸以获得最佳焊接可靠性。
四、典型应用场景
- 精密放大器与模拟前端（运放反馈、增益设定）
- 电压采样、分压器与 ADC 前端阻阵列
- 仪表、测量仪器与传感器桥路（需低漂移与低噪声）
- 通信设备、便携医疗与工业控制中对体积与精度有要求的电阻元件
五、可靠性与存储/搬运建议
- 存储环境建议干燥、避免潮湿和腐蚀性气体，贴片器件应在规定的保质期内回流焊接。
- 搬运时注意避免端电极机械应力或直接挤压，贴片电阻对过度弯曲或碰撞敏感。
- 建议在贴装与测试过程中采取静电防护措施（ESD），以保护细小结构免受破坏。
如需最终应用设计数据（温度降额曲线、回流曲线、封装焊盘建议、抗湿性与寿命测试报告等），建议索取 ARG03FTC2491 的完整数据手册与可靠性报告，以便在系统级设计中做出准确的热与电应力评估。
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