WMSIC Electronic Components

FOJAN FRL1206FR500TS

ModelFRL1206FR500TS
Package1206
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 FRL1206FR500TS
Type
FOJAN
Minimum package
5000 圆盘

Technical parameters

Power
250mW
Electronic Component
Electronic Component
Electronic Component
FOJAN
Electronic Component
FRL1206FR500TS
Electronic Component
1
Package
1206
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
500mΩ
Electronic Component
1
Electronic Component
BM0264210013
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.

FRL1206FR500TS 厚膜贴片电阻产品概述

FRL1206FR500TS是国内品牌FOJAN(富捷)推出的一款1206封装厚膜贴片电阻,针对中低功率场景下的电流检测、分压及信号调理需求设计,具备低阻值、高精度、小体积、宽温适应性等核心优势,可满足工业控制、汽车电子、消费电子等多领域的应用要求。

一、产品核心特性与定位

该电阻属于厚膜贴片电阻范畴,核心定位为中小功率场景下的低成本高精度电流采样元件,关键特性可总结为:

  • 低阻值设计:500mΩ(毫欧级),适配大电流检测场景;
  • 高精度偏差:±1%,满足大多数工业级应用的阻值一致性要求;
  • 紧凑封装:1206(英制,3.2mm×1.6mm),支持高密度PCB布局;
  • 宽温工作范围:-55℃~+155℃,覆盖极端环境应用;
  • 环保合规:符合RoHS、REACH等国际环保标准,无铅焊接兼容。

二、关键参数详解

1. 阻值与精度

标称阻值500mΩ,精度±1%,即实际阻值范围为495mΩ~505mΩ。该精度水平可满足电流检测中对采样精度的基本要求,同时避免了高精度薄膜电阻的成本压力,适合批量应用。

2. 功率与电压

  • 额定功率:250mW(毫瓦级),需注意功率降额:环境温度超过70℃时需逐步降额(如125℃时降额至约100mW),具体需参考厂商 datasheet;
  • 工作电压:500V(直流/交流),表明电阻绝缘性能良好,可用于高电压分压场景(需结合功率降额验证实际功耗)。

3. 温度系数(TCR)

温度系数为±300ppm/℃,即温度每变化1℃,阻值变化约0.03%。例如,从-55℃升至+155℃(温差210℃),阻值最大变化约0.63%,在厚膜电阻中属于常规稳定水平,可满足工业级环境下的长期使用需求。

4. 工作温度范围

-55℃+155℃,覆盖了汽车电子(-40℃+125℃)、工业控制(-20℃~+85℃)等主流场景的温度要求,部分户外设备(如基站)也可适配。

三、封装与工艺优势

1. 1206封装特点

1206封装是贴片电阻的主流小封装之一,尺寸为3.2mm(长)×1.6mm(宽)×0.5mm(厚),具有以下优势:

  • 空间利用率高:适合智能手机、笔记本电脑等便携设备的高密度PCB设计;
  • 焊接兼容性好:支持回流焊、波峰焊等常规SMT工艺,不良率低;
  • 机械强度适中:可承受PCB组装过程中的轻微应力,不易出现开裂。

2. 厚膜工艺优势

采用丝网印刷+高温烧结厚膜工艺,电阻膜层均匀附着于陶瓷基底,具备:

  • 成本优势:相比薄膜电阻(如镍铬膜),厚膜电阻制造成本更低,适合批量采购;
  • 稳定性好:膜层与基底结合牢固,长期使用阻值漂移小;
  • 耐过载能力:短时间过载(如1.5倍额定功率)下不易失效,可靠性较高。

四、典型应用场景

结合参数特性,FRL1206FR500TS主要应用于以下场景:

1. 电源电路电流检测

在开关电源、DC-DC转换器中,作为电流采样电阻:低阻值(500mΩ)可在大电流(如1A)下产生0.5V的采样电压,便于MCU/ADC检测,同时小功率(250mW)满足小功率电源的功耗要求。

2. 电池管理系统(BMS)

用于笔记本、电动车(小功率模块)的BMS中,检测电池充放电电流:低阻值减少自身功耗(如1A电流下功耗仅0.5mW),不影响电池续航,宽温范围适配车载环境。

3. 工业控制与PLC

在PLC、变频器的信号调理电路中,作为分压电阻或电流采样电阻:±1%精度保证信号采集的一致性,宽温范围满足工业现场的极端温度变化。

4. 汽车电子小模块

车载中控、传感器模块的过流保护电路中,作为限流电阻:500V工作电压适配车载12V/24V系统,宽温范围(-40℃~+125℃)满足汽车级要求。

五、可靠性与品质保障

FOJAN(富捷)作为专业电阻厂商,FRL1206FR500TS通过多项可靠性测试:

  • 耐湿测试:符合IEC 60068-2-67(湿热循环)标准,40℃/93%RH环境下1000小时阻值变化≤1%;
  • 焊接可靠性:回流焊后无开路、短路,端电极附着强度符合J-STD-002标准;
  • 环保认证:通过RoHS 2.0、REACH SVHC清单检测,无铅焊接兼容。

此外,该产品批量供货稳定,单批次一致性好,适合OEM/ODM客户的大规模生产需求。

六、总结

FRL1206FR500TS是一款性价比突出的厚膜贴片电阻,以低阻值、高精度、小封装为核心优势,覆盖工业控制、汽车电子、消费电子等多领域应用。其宽温适应性与厚膜工艺的稳定性,可满足大多数中小功率场景的长期使用需求,是批量应用的理想选择。

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