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TA-I Technology RLP25FEGR025
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RLP25FEGR025
- Type
- TA-I Technology
- Minimum package
- 4000 圆盘
Technical parameters
- Power
- 3W
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- RLP25FEGR025
- Electronic Component
- 1
- Package
- 2512
- Electronic Component
- Current Sense Resistor / Shunt
- Electronic Component
- ±1%
- Electronic Component
- 0.072g
- Electronic Component
- 25mΩ
- Electronic Component
- 1
- Electronic Component
- BM0264549160
- Electronic Component
- SMD
- Electronic Component
- ±50ppm/℃
- Resistor Type
- Current Sense Resistor
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
大毅科技RLP25FEGR025 电流采样电阻产品概述
一、产品定位与核心应用场景
大毅科技RLP25FEGR025是一款低阻值高精度贴片分流电阻，专为电流采样设计，核心作用是将电路中的大电流转换为可测量的低电压信号（通过公式(I=\frac{V}{R})），为控制系统提供准确的电流反馈，实现过流保护、恒流控制、功率监控等功能。产品覆盖电力电子、工业自动化、新能源等领域，是中等功率电流采样场景的经典选型。
二、关键参数与性能优势
RLP25FEGR025的核心性能集中在「低阻值+高精度+大功率密度」，具体参数如下：
参数维度 具体指标 性能解读 阻值与精度 25mΩ ±1% 毫欧级低阻值降低自身功耗（(P=I^2R)），±1%精度满足工业级基本采样需求，无需额外校准 额定功率 3W 搭配2512封装实现高功率密度（≈14.7W/cm²），适配紧凑PCB布局 温度系数（TCR） ±50ppm/℃ 温度变化对阻值影响极小：25℃→100℃时，阻值仅变化0.09375mΩ，远低于精度范围 材料特性 合金电阻（镍铬/锰铜） 低电感、低寄生电容，避免高频信号失真，适合开关电源、变频器等场景三、封装与安装特性
产品采用2512标准表面贴装封装，适配现代电子生产工艺：
- 封装尺寸：约6.4mm（长）×3.2mm（宽）×0.5mm（厚），重量轻（≈0.1g），兼容常规PCB焊盘；
- 安装兼容性：支持回流焊、波峰焊自动化生产，手工焊接需控制温度（≤260℃/10s）；
- 环保合规：符合RoHS 2.0、REACH标准，无铅无卤工艺，可用于出口产品或高端设备。
四、可靠性与环境适应性
作为工业级电阻，RLP25FEGR025具备宽温域与抗恶劣环境能力：
- 工作温度：-55℃~155℃（覆盖工业极端环境，如户外储能、高温车间）；
- 长期稳定性：1000小时高温老化后阻值漂移≤0.1%，振动测试（10Hz~2000Hz/2g）无性能衰减；
- 耐候性：抗腐蚀涂层通过盐雾测试（IEC 60068-2-11），可抵抗潮湿、盐雾侵蚀。
五、典型应用方向
产品适配多领域电流采样需求，典型场景包括：
- 新能源：新能源汽车BMS（充放电电流检测）、光伏逆变器（MPPT电流监控）；
- 工业控制：变频器/伺服驱动器（电机电流控制）、PLC（现场电流采集）；
- 消费电子：大功率快充充电器（过流保护）、LED驱动电源（电流稳定控制）。
六、选型参考要点
选择时需注意以下匹配性：
- 电流范围：最大允许电流≈11A（降额50%后建议≤6A），超量程需选更高功率型号；
- 精度需求：若需±0.5%/±0.1%精度，需确认对应等级产品；
- 环境匹配：超155℃需咨询高温版本，强振动/盐雾需验证测试标准；
- 空间适配：空间紧张可考虑小封装（如1206），但需确认功率是否满足。
总结
RLP25FEGR025凭借低阻值、高精度与可靠的环境适应性，成为电力电子、新能源等领域的常用选型，可满足大多数中等功率电流采样的需求，是平衡性能与成本的优质方案。
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