WMSIC Electronic Components

FC FC-SE2918-100M-28A

ModelFC-SE2918-100M-28A
PackageSMD
BrandFC
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 Option 174900

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Technical data

Product details

13 specifications

Core information

Product name
FC FC-SE2918-100M-28A
Type
FC
Minimum package
378 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FC
Electronic Component
FC-SE2918-100M-28A
Electronic Component
1
Package
SMD
Electronic Component
36g
Electronic Component
1
Electronic Component
BM0266065541
Electronic Component
Electronic Component
Electronic Component
378

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

FC-SE2918-100M-28A 扁平线功率电感产品概述

FC-SE2918-100M-28A是方成(FC)品牌推出的高电流扁平线功率电感,专为大电流、低损耗的电源电路及功率系统设计,兼具小型化、高可靠性与宽温适应性,可满足工业、车载、新能源等多领域的应用需求。

一、产品定位与核心价值

该电感属于功率电感范畴,核心定位为大电流场景下的储能与滤波元件,针对传统圆线电感在高电流下发热大、损耗高的痛点,采用扁平线绕组设计,实现“低损耗、高承载、小体积”的平衡。其核心价值体现在:

  • 支持30A连续电流与32.1A饱和电流,覆盖多数中大功率电源的电流需求;
  • 2.6mΩ超低直流电阻(DCR),大幅降低铜损,提升系统转换效率;
  • 扁平线结构优化散热与高频性能,适配宽温度范围(-40℃~+125℃)。

二、关键性能参数详解

FC-SE2918-100M-28A的核心参数经过严格测试,可满足实际应用中的性能稳定性要求:

1. 电感值与精度

  • 标称电感值:10uH(微亨);
  • 精度范围:±20%;
    该参数适合多数功率电路的储能与滤波需求,±20%的精度无需额外高精度筛选,可降低成本,同时满足开关电源、DC-DC转换器等场景的基本性能要求。

2. 电流特性

  • 额定电流(I_rms):30A(均方根电流)——指电感连续工作时不超过此电流,电感值、温度等性能保持稳定;
  • 饱和电流(I_sat):32.1A——指电感值下降30%时的峰值电流,应用中需确保峰值电流不超过此值,避免电感饱和导致输出电压波动、效率下降。

3. 直流电阻(DCR)

  • 典型值:2.6mΩ(毫欧);
    低DCR是该电感的核心优势之一:大电流下铜损(损耗=I²×DCR)极低,30A连续电流下损耗仅约2.34W,可有效控制电感及周边元件的发热,提升系统可靠性。

4. 结构与封装

  • 绕组类型:扁平线电感(区别于传统圆线);
  • 封装形式:插件式(部分资料标注为SMD,需以官方 datasheet 为准);
    扁平线绕组相比圆线,表面积更大,散热效率提升约30%,且高频下集肤效应影响更小,适合高频开关电源场景;插件封装便于手工或自动化焊接,抗振动性能优于部分表贴封装。

三、设计优势与技术亮点

FC-SE2918-100M-28A在设计上针对大电流应用进行了优化,核心亮点包括:

1. 扁平线绕组的性能升级

传统圆线电感在高电流下,电流集中在导线表面(集肤效应),导致有效截面积减小、损耗增加;而扁平线的宽面设计大幅提升了导线表面积,不仅降低集肤效应影响,还能加快热量散发,同等体积下电流承载能力比圆线提升20%以上。

2. 低损耗与高转换效率

2.6mΩ的超低DCR配合扁平线的低损耗设计,使得该电感在30A连续电流下的总损耗(铜损+铁损)远低于同规格圆线电感,可将开关电源的转换效率提升1%~2%,尤其适合对效率要求严格的服务器电源、新能源储能系统。

3. 宽温度范围与可靠性

该电感支持-40℃~+125℃的工作温度范围,符合工业级与车载级的环境要求;同时,其绕组采用高温绝缘漆包裹,插件封装的焊接可靠性高,抗振动、抗冲击性能满足IEC 60068等标准,适合严苛场景下的长期稳定工作。

四、典型应用场景

FC-SE2918-100M-28A的性能特点使其适配多领域的大电流功率电路,典型应用包括:

1. 开关电源与DC-DC转换器

  • 服务器电源、通信基站电源的12V/24V大电流输出端储能电感;
  • 笔记本电脑、显示器的DC-DC降压模块(如19V转5V/3.3V)滤波电感。

2. 车载电子系统

  • 车载充电机(OBC)的功率电感;
  • 车载DC-DC转换器(12V转48V或反向)的储能元件;
    宽温性能与抗振动能力可满足车载环境的严苛要求。

3. 工业控制与新能源

  • 变频器、伺服驱动器的滤波电感;
  • 光伏逆变器、储能电池组的功率电感;
    高电流承载能力可适配工业现场的大功率需求。

五、选型与使用注意事项

为确保FC-SE2918-100M-28A的稳定工作,需注意以下几点:

1. 电流匹配

  • 连续工作电流需≤30A(额定电流);
  • 峰值电流需≤32.1A(饱和电流),避免电感饱和导致性能下降;
    若应用场景中峰值电流较高,需选择更大规格的电感或增加散热措施。

2. 散热设计

虽然低损耗,但大电流下仍有热量产生,需确保电感安装位置有足够的空气流通,避免周围温度超过125℃;可配合散热片使用(若空间允许)。

3. 焊接要求

  • 插件封装:焊接温度控制在260℃以内,焊接时间≤3秒,避免损坏绕组绝缘;
  • 若为SMD封装:需符合回流焊工艺(温度曲线需匹配),避免虚焊或假焊。

4. 精度适配

±20%的电感精度适合多数功率电路,若需更高精度(如±10%),需联系厂家进行筛选,或选择其他高精度型号。

综上,FC-SE2918-100M-28A是一款性价比突出的高电流扁平线功率电感,凭借低损耗、高承载、宽温适应等优势,可广泛应用于工业、车载、新能源等领域,是功率电路设计中理想的储能与滤波元件。

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