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TA-I Technology RLP25FEER010
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RLP25FEER010
- Type
- TA-I Technology
- Minimum package
- 4000 圆盘
Technical parameters
- Power
- 2W
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- RLP25FEER010
- Electronic Component
- 1
- Package
- 2512
- Electronic Component
- Current Sense Resistor / Shunt
- Electronic Component
- ±1%
- Electronic Component
- 0.084g
- Electronic Component
- 10mΩ
- Electronic Component
- 1
- Electronic Component
- BM0257383210
- 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.
RLP25FEER010 产品概述
一、产品简介
RLP25FEER010 为大毅科技推出的一款高精度贴片电流采样电阻（分流器），阻值 10 mΩ，额定功率 2W，阻值精度 ±1%，温度系数（TCR）±50 ppm/℃，封装规格为 2512（矩形大尺寸贴片）。本器件适用于对中低阻值、高电流路径进行精确电流测量与保护检测的场合。
二、主要特性
- 低阻值：10 mΩ，适合低压大电流测量，压降小，功耗低。
- 高精度：±1% 初始精度，配合低 TCR 可保证随温度变化的稳定性。
- 低温漂：±50 ppm/℃，温度变化对阻值影响小，利于长期精确测量与校正。
- 额定功率：2W（在规定散热条件下），适合较高连续电流工况。
- 封装与安装：2512 贴片封装，便于自动贴装与批量生产。
三、电气与热特性（关键计算）
- 额定功率 P = 2W，阻值 R = 0.01Ω，则理论最大连续电流 Imax = sqrt(P/R) ≈ 14.14A。
- 在 Imax 时的压降约 V = I·R ≈ 0.141V（141mV）。
- TCR ±50 ppm/℃ 对应每℃ 0.005% 的阻值变化（例如温度上升 100℃ 时变化约 0.5%），有利于高精度测量。
注：实际使用应考虑散热与热分散影响，一般建议按应用环境对功率进行降额使用以提高可靠性。
四、典型应用
- 电池管理系统（BMS）与电池充放电电流测量
- 开关电源与 DC-DC 转换器电流检测
- 电机驱动与电流限流保护
- 服务器与通信设备的电源监控
- 能耗计量与精确电流反馈回路
五、布局与使用建议
- 布局上应确保分流电阻与测量放大器（差分/运放）的连接尽量短且对称，必要时采用四端 Kelvin 测量方式以消除引线与焊盘阻抗影响。
- 为保证额定功率的散热能力，应在 PCB 上为 2512 封装设计足够的铜箔面积及热过孔，必要时增加散热层或搭配散热器。
- 推荐在设计时对电阻进行功率降额（例如 60%~80% 的额定功率）以延长寿命并降低温升。
- 焊接建议遵循供应商推荐的回流曲线，避免过长高温暴露。使用前进行样件测试并校准测量回路。
六、可靠性与测试
- 建议在量产前进行全工作温度范围与长时间热循环试验，验证阻值漂移与焊接可靠性。
- 对关键测量点采用 4 线测量法确认初始阻值与温漂特性，必要时在系统中加入温度补偿或电路校正。
七、包装与订购
- 品牌：大毅科技；型号：RLP25FEER010；阻值：10 mΩ；精度：±1%；功率：2W；封装：2512。
- 常见供货形式为卷带（Tape & Reel），便于 SMT 自动化贴装；具体包装与最小订购量可咨询大毅科技或指定分销商。
RLP25FEER010 适合追求低阻、低温漂与较高功率承受能力的电流检测场合，配合合适的 PCB 散热设计与测量校准，可在电源管理与电流监控系统中提供稳定可靠的采样基础。
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