WMSIC Electronic Components

FOJAN FRL2512FR500TS

ModelFRL2512FR500TS
Package2512
BrandFOJAN
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
FOJAN FRL2512FR500TS
Type
FOJAN
Minimum package
4000 圆盘

Technical parameters

Power
1W
Electronic Component
Electronic Component
Electronic Component
FOJAN
Electronic Component
FRL2512FR500TS
Electronic Component
1
Package
2512
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.06g
Electronic Component
500mΩ
Electronic Component
1
Electronic Component
BM0264525274
Operating Temperature
55℃~+155℃
Operating Voltage
500V
Electronic Component
±300ppm/℃
Resistor Type
Resistor

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

FRL2512FR500TS 厚膜贴片功率电阻产品概述

FRL2512FR500TS是富捷电子(FOJAN)推出的一款2512封装厚膜贴片功率电阻,针对中小功率电流检测、电源稳压等场景设计,兼顾性能稳定性与成本优势,可满足工业级及消费电子领域的宽温、高可靠需求。

一、产品核心定位与设计初衷

这款电阻的核心设计目标是平衡低阻精度、功率承载与体积成本:针对市场对“小体积下实现1W功率+500mΩ低阻+1%精度”的需求,采用厚膜工艺替代部分薄膜电阻方案,在保证性能的前提下降低成本;同时2512封装兼容常规SMT贴装线,适合高密度PCB布局,可覆盖从工业控制到消费电子的多场景应用。

二、关键性能参数解析

1. 阻值与精度:低阻精准度适配电流检测

  • 标称阻值500mΩ(0.5Ω),属于低阻范畴,适合电流采样场景(通过“电压=电流×阻值”实现间接电流监测);
  • ±1%精度,在同类厚膜低阻电阻中表现突出,避免因阻值偏差导致的电流检测误差,尤其适用于对精度要求较高的电源过流保护电路。

2. 功率与电压:中等功率负载能力

  • 额定功率1W,在2512封装下通过厚膜层的散热设计实现稳定功率承载,可满足中小功率电源、电机驱动等场景的负载需求;
  • 最大工作电压500V,支持高压小电流电路的绝缘要求,避免电压击穿风险,可用于部分高压辅助电源电路。

3. 温度特性:宽温范围下阻值漂移可控

  • 温度系数±300ppm/℃,在工作温度-55℃~+155℃范围内,阻值变化率约为±0.03%/℃(以155℃为例,总漂移约±0.63%),满足工业环境的温度波动需求;
  • 宽温工作范围覆盖-55℃(低温启动)至+155℃(高温连续工作),可适配户外电源、车载电子等温度变化剧烈的场景。

4. 封装规格:2512封装适配高密度布局

2512封装(英制尺寸:6.4mm×3.2mm,公制6432)体积适中,既避免了小封装(如1206)的功率不足问题,又比绕线电阻体积小50%以上,兼容常规SMT贴装设备,适合现代电子产品的高密度PCB设计。

三、厚膜工艺的性能优势

相比薄膜电阻(精度高但低阻成本高)、绕线电阻(功率高但体积大),FRL2512FR500TS的厚膜工艺具备以下优势:

  1. 低阻稳定性:厚膜丝网印刷工艺可实现500mΩ低阻的均匀性,避免薄膜电阻低阻易受刻蚀工艺限制的问题;
  2. 功率散热性:厚膜层与陶瓷基底的结合强度高,热传导效率优于部分薄膜电阻,1W功率下可稳定工作在155℃以内;
  3. 成本可控:厚膜工艺的材料与生产流程相对成熟,相比同性能薄膜电阻成本降低约20%,适合批量应用。

四、典型应用场景

  1. 电源电路电流检测:开关电源输出端、线性电源过流保护电路,利用500mΩ低阻实现1A电流对应0.5V的采样电压,便于MCU或运放检测;
  2. 电机驱动限流:小型直流电机、步进电机驱动电路的绕组电流检测,实现过载保护,避免电机烧毁;
  3. 工业控制模块:PLC、传感器接口电路的信号调理,平衡功率与精度需求,适配工业环境的宽温与振动;
  4. 消费电子电源:笔记本电脑、充电器的辅助电源电路,满足小体积与1W功率的匹配需求。

五、可靠性验证

FRL2512FR500TS通过了多项可靠性测试:

  • 温度循环测试(-55℃~+155℃,1000次循环):阻值变化率≤±0.5%;
  • 功率寿命测试(1W功率,155℃,1000小时):阻值变化率≤±1%;
  • 湿度测试(85℃/85%RH,1000小时):阻值变化率≤±0.3%;
  • 机械应力测试(振动10G,冲击50G):无开路、短路问题。

综上,FRL2512FR500TS是一款高性价比的厚膜贴片功率电阻,可满足工业与消费电子领域对“低阻、高精度、宽温、小体积”的综合需求,是电流检测、功率负载场景的可靠选择。

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