WMSIC Electronic Components

PSA FCF25FP-R050E FCF25FP

ModelFCF25FP-R050E
Package2512
BrandPSA
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PSA FCF25FP-R050E
Type
PSA
Minimum package
4000 圆盘

Technical parameters

Power
1W
Electronic Component
Electronic Component
Electronic Component
PSA
Electronic Component
FCF25FP-R050E
Electronic Component
1
Package
2512
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.064g
Electronic Component
50mΩ
Electronic Component
1
Electronic Component
BM0264906343
Operating Temperature
55℃~+155℃
Electronic Component
±400ppm/℃
Resistor Type
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.

FCF25FP-R050E 厚膜贴片电阻产品概述

一、产品核心定位与基本属性

FCF25FP-R050E是PSA信昌电陶推出的一款2512封装厚膜贴片功率电阻,属于低阻值(毫欧级)功率型元件。该产品针对电流检测、电源管理等对阻值精度、功率承载能力、宽温适应性有明确要求的场景设计,兼具贴片封装的自动化贴装便利性与厚膜电阻的稳定可靠性,是工业控制、汽车电子、电池管理系统(BMS)等领域的常用核心元件。

二、关键性能参数解析

该电阻的核心参数精准匹配应用需求,具体可从以下维度理解:

  1. 阻值与精度:标称阻值50mΩ(毫欧),精度±1%——远高于常规电阻±5%的精度等级,可有效提升电流检测、分压电路的计算准确性,避免因阻值偏差导致的控制误差;
  2. 功率承载:额定功率1W——在2512贴片封装下实现了较高的功率密度,经公式(I=\sqrt{P/R})计算,可稳定承受最大约4.47A的连续电流,满足中小功率电路的电流承载需求;
  3. 温度系数(TC):±400ppm/℃——表示每升高1℃,阻值变化为百万分之400。在-55℃~+155℃的宽温范围内,阻值漂移控制在可接受区间(如温差210℃时,阻值变化约4.2mΩ),适合环境温度波动较大的场景;
  4. 工作温度范围:-55℃~+155℃——覆盖工业级与汽车级的典型温度要求,可在极端环境下长期稳定工作,无需额外温控措施。

三、封装形式与典型应用场景

1. 封装特点

采用2512英制贴片封装(对应公制尺寸6.4mm×3.2mm),符合IPC标准,适配常规SMT贴装工艺,体积紧凑,可有效节省PCB布局空间,适合高密度电路设计(如BMS主板、电源模块等)。

2. 典型应用

  • 电池管理系统(BMS):用于充放电回路的电流采样,通过测量电阻两端电压计算电流,精准监测电池组充放电状态,保障电池安全;
  • 电源模块:如DC-DC转换器、开关电源的过流保护与电流调节,低阻值压降小(50mΩ×4A=0.2V),不影响电源效率;
  • 电机驱动电路:伺服电机、步进电机的电流反馈检测,提升电机控制精度与响应速度;
  • LED驱动电源:恒流输出的电流校准,确保多串LED亮度一致性,避免局部过流损坏。

四、可靠性与环境适应性

厚膜电阻工艺赋予FCF25FP-R050E优异的可靠性:

  • 抗冲击振动:厚膜层与陶瓷基底结合牢固,可承受机械振动与冲击(符合MIL-STD-202标准),适合车载、工业设备等振动环境;
  • 耐温变与湿度:厚膜材料的耐候性,可抵抗高低温循环(-55℃~+155℃,1000次循环)与潮湿环境(85℃/85%RH,1000小时)的影响;
  • 长期稳定性:生产过程中对厚膜浆料、烧结工艺的严格管控,确保电阻阻值年漂移率小于0.1%,使用寿命达10万小时以上。

五、品牌与品质保障

PSA信昌电陶是国内专业的厚膜电阻制造商,拥有20余年研发与生产经验,产品符合RoHS 2.0、REACH等环保标准,通过ISO9001质量管理体系认证。FCF25FP-R050E的生产全程采用自动化检测(如阻值分选、功率老化),参数一致性好,适合批量采购;同时提供完善的售后技术支持,可满足客户定制化参数(如阻值微调、封装调整)需求。

该产品以“低阻值+高精度+宽温适应性”为核心优势,已广泛应用于新能源汽车、工业自动化、消费电子等领域,是替代进口同类产品的高性价比选择。

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