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Viking ARG02BTC4R70
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Viking ARG02BTC4R70
- Type
- VIKING
- Minimum package
- 10000 圆盘
Technical parameters
- Power
- 62.5mW
- Electronic Component
- Electronic Component
- Electronic Component
- VIKING
- Electronic Component
- ARG02BTC4R70
- Electronic Component
- 1
- Package
- 0402
- Electronic Component
- SMD Resistor
- Electronic Component
- ±0.1%
- Electronic Component
- 0.009g
- Electronic Component
- 4.7Ω
- Electronic Component
- 1
- Electronic Component
- BM0264480949
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 50V
- 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.
Viking ARG02BTC4R70 薄膜贴片电阻产品概述
一、产品核心定位与应用场景
Viking ARG02BTC4R70是一款0402封装精密薄膜贴片电阻，针对低功率、高阻值精度及宽温稳定性需求设计，适配消费电子、工业控制、汽车电子及医疗设备等领域的电路设计。其核心优势在于将高精密性能与小体积封装结合，满足现代电子设备小型化、高性能的双重需求，尤其适合对信号准确性要求苛刻的场景。
二、关键参数与性能指标
参数项 规格值 性能意义 电阻类型 薄膜电阻 比厚膜/碳膜更稳定，低噪声、低温度漂移 标称阻值 4.7Ω 适用于小电流限流、精密分压等基础电路 精度等级 ±0.1% 远高于普通电阻（5%/1%），减少电路误差 温度系数（TC） ±25ppm/℃ 宽温下阻值变化极小，环境适应性强 额定功率 62.5mW（0.0625W） 低功率应用场景，避免大功率下性能衰减 最大工作电压 50V 电气安全边界，超出可能导致击穿 工作温度范围 -55℃~+155℃ 覆盖工业级（-40~85℃）及部分汽车级需求 封装尺寸 0402（1005） 体积小（1.0mm×0.5mm），支持高密度PCB设计三、技术特点与优势
- 高精密性能：±0.1%的阻值精度与±25ppm/℃的温度系数，确保在-55℃~+155℃范围内阻值变化仅约0.0000247Ω，满足传感器信号放大、精密放大器反馈网络等对精度敏感的场景。
- 薄膜工艺优势：采用Viking成熟的薄膜沉积工艺，相比厚膜电阻具有更低噪声（典型值<1nV/√Hz），减少信号干扰，提升电路信噪比。
- 宽温可靠性：工作温度覆盖极端环境，可适配户外工业传感器、车载低温启动模块等场景，长期运行无明显性能衰减。
- 小体积高密度：0402封装适配现代电子设备小型化趋势，可在有限PCB空间内集成更多功能电路（如智能手机主板、智能穿戴设备）。
- 批量一致性好：生产工艺确保批量产品的阻值、TC一致性达标，无需额外筛选即可满足量产需求，降低BOM成本与生产周期。
四、典型应用领域
- 消费电子：智能手机/平板的音频电路、电源管理模块（小电流限流）、智能穿戴设备的传感器信号调理。
- 工业控制：PLC输入输出模块、工业机器人关节传感器、温度/压力变送器的信号放大电路。
- 汽车电子：车载信息娱乐系统的信号处理、车身控制模块的低功率控制电路、胎压监测系统（TPMS）的前端调理。
- 医疗设备：便携式血糖仪、血压计的信号放大电路、医用监护仪的传感器接口电路（需精度稳定）。
- 通信设备：小型基站的射频前端滤波网络、路由器的信号调理电路（低噪声需求）。
五、选型与使用注意事项
- 功率降额：建议实际使用功率不超过额定值的70%（≤43.75mW），高温环境下可进一步降额至50%，避免长期过热导致阻值漂移。
- 焊接工艺：0402封装需采用精准回流焊工艺，推荐无铅焊接温度曲线（峰值温度≤245℃，回流时间≤60s），避免热应力损伤。
- 存储条件：未开封产品建议存储于25℃±5℃、湿度≤60%的环境，存储周期不超过12个月；开封后建议1个月内使用完毕，避免受潮。
- 电压限制：严禁超过50V最大工作电压，否则可能引发击穿或绝缘失效。
六、总结
Viking ARG02BTC4R70作为一款高性价比的精密薄膜贴片电阻，以高精密、宽温稳定、小体积为核心竞争力，覆盖多领域低功率精密应用场景。其成熟的工艺与可靠的性能，为电子设计工程师提供了优化电路性能、实现产品小型化的可靠选择。
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