WMSIC Electronic Components

cjiang FXL1040-220-M FXL1040

ModelFXL1040-220-M
PackageSMD,11.5x10mm
Brandcjiang
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
cjiang FXL1040-220-M
Type
CJIANG
Minimum package
500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FXL1040-220-M
Electronic Component
1
Package
SMD,11.5x10mm
Type
Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
3.223g
Inductor
22uH
Electronic Component
1
Electronic Component
BM0230945381
Current
5A
Resistor(DCR)
66mΩ
Electronic Component
Electronic Component
Electronic Component
500

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

FXL1040-220-M 产品概述

一、产品简介

FXL1040-220-M 是长江微电(cjiang)推出的一款面向开关电源与功率管理的表面贴装功率电感器。该器件为一体成型(molded)结构,尺寸为 SMD 11.5 × 10.0 mm,旨在在紧凑封装内提供稳定的22 μH 电感量与较高的电流承载能力,适合用于点对点(point-of-load)变换器、LED 驱动和电源滤波等高电流场合。

二、主要电气参数

  • 标称电感值:22 μH
  • 公差:±20%(实际电感范围约 17.6 μH 至 26.4 μH)
  • 额定电流(Irated):5.0 A(长期允许导通电流,温升及散热良好条件下)
  • 饱和电流(Isat):5.5 A(指在规定条件下电感量下降到某一参考值时对应的直流电流)
  • 直流电阻(DCR):66 mΩ(0.066 Ω)
  • 类型:一体成型功率电感(SMD)
  • 封装尺寸:11.5 × 10.0 mm

说明:DCR 影响导通损耗和效率,按 P_loss = I^2 × DCR 估算,若连续直流电流为额定 5 A,则导通损耗约为 1.65 W,设计时需考虑热管理与温升。

三、结构与封装特性

该器件采用一体成型封装,具有较好的机械强度与外部保护,便于自动贴装与回流焊工艺。标准 SMD 尺寸(11.5 × 10.0 mm)适合多数中等功率点载场合。建议在正式生产前向供应商索取完整尺寸图与推荐焊盘(footprint)以确保贴装与焊接可靠性。

四、性能亮点

  • 高电流承载:5 A 额定电流与 5.5 A 饱和电流,适合中等功率转换器输出侧或输入滤波。
  • 一体成型:结构稳固,抗振性能好,符合自动化贴装需求。
  • 适配多种拓扑:可用于降压(buck)转换器、升压(boost)滤波以及双向电源管理场景。
  • 易于批量生产:SMD 形式利于高速贴片与回流焊流程。

五、典型应用场景

  • DC-DC 降压/升压转换器的输出电感或输入滤波器
  • 点对点电源(POL)模块、板级电源设计
  • LED 驱动电源与工业驱动模块
  • 通信设备、机顶盒、工控电源的功率滤波与储能用途

六、使用与设计建议

  • 电流裕度:建议在实际应用中对额定电流进行适当降额(如 70%~90%),以避免长期临界工作导致温升过大和性能退化。
  • 饱和考虑:Isat 指示磁芯在高直流偏置下电感下降的临界值,若电路有较大直流偏置应保证工作电流远低于 Isat 以维持稳定的电感量。
  • 损耗与散热:根据 DCR 计算功率损耗,5 A 连续电流下约 1.65 W,需评估 PCB 热阻、铜箔宽度与散热路径,必要时在器件下方或周围设计过孔导热至内层/反面散热区。
  • PCB 布局:电感与开关器件(MOSFET/变换器)和输出电容应尽可能靠近,走线短且宽;输入/输出滤波回路形成低阻抗环路;避免强噪声元件近距离耦合敏感模拟电路。
  • 回流焊与可靠性:遵循供应商推荐的回流曲线,避免超温或长时间过温;批量使用前进行热循环与机械振动可靠性验证。

七、选型参考与替代策略

当系统对效率要求更高且允许更大体积时,可选择 DCR 更低或体积更大的电感以降低导通损耗;若空间受限且电流需求较高,可考虑并联相同或相近参数的电感(需注意磁耦与分流不均问题)。选择时除了标称电感值,应重点关注 DCR、Isat、温升测试曲线以及频率相关的复杂阻抗特性。

八、采购与技术支持

FXL1040-220-M 由长江微电(cjiang)提供,标准器件可通过代理商或直接向厂家订购。采购前建议索取完整数据手册、典型频率响应(L vs. I、L vs. f、温度系数)、包装信息与样品以完成设计验证。对于大批量应用,可咨询供应商的可靠性测试报告与长期供货能力。

总结:FXL1040-220-M 是一款面向中等功率、需要较高直流电流承载的 SMD 一体成型功率电感,适合用于各类开关电源与滤波场景。设计时需综合考虑 DCR 导通损耗、饱和裕度与散热方案,以确保长期稳定运行。若需详细的电气特性曲线或封装图纸,请联系厂家获取最新数据手册。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.