WMSIC Electronic Components

SXN SMMS0650-4R7M Inductor SMMS0650

ModelSMMS0650-4R7M
PackageSMD,7.1x6.6x5mm
BrandSXN
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

18 specifications

Core information

Product name
SXN SMMS0650-4R7M
Type
SMD, 7.1X6.6X5MM
Minimum package
1000

Technical parameters

Electronic Component
SXN
Electronic Component
SMMS0650-4R7M
Electronic Component
1
Package
SMD,7.1x6.6x5mm
Type
Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
1.5g
Inductor
4.7uH
Electronic Component
1
Electronic Component
BM0265793560
Current
6A
Resistor(DCR)
30mΩ
Electronic Component
1000
and Current(Isat)
8A

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

SMMS0650-4R7M功率电感产品概述

SMMS0650-4R7M是顺翔诺(SXN)品牌推出的贴片式功率电感,专为中大功率电路的储能、滤波及EMI抑制设计,兼具高电流承载能力与小体积特性,适配多种工业与消费电子场景的高密度PCB布局需求。

一、产品基本信息

该型号为SMD贴片功率电感,属于顺翔诺常规功率电感系列,核心定位为中功率场景的电感解决方案,满足DC-DC变换器、车载电子、LED驱动等领域的电气性能需求,无需额外散热附件即可稳定工作。

二、核心电气参数详解

1. 电感值与精度

电感标称值为4.7μH,精度范围±20%,即实际电感值在3.76μH~5.64μH之间。该精度满足绝大多数常规功率电路的设计要求,无需因精度问题额外增加匹配元件,降低设计复杂度。

2. 电流承载能力

  • 额定电流(I_rated):6A:指电感在环境温度(常规-40℃125℃)下持续工作时,自身温升不超过允许范围(功率电感常规允许温升40℃60℃)的最大电流,是电路持续工作的安全电流上限;
  • 饱和电流(I_sat):8A:指电感值下降至标称值30%时的最大电流(行业常规判定标准),可应对电路瞬间峰值电流(如开机冲击、负载突变),避免电感值骤降导致电路性能失效。

3. 直流电阻(DCR)

直流电阻为30mΩ,属于低阻设计:

  • 低DCR可显著降低铜损(P=I²×R),减少电感自身发热,提升电源转换效率;
  • 对于DC-DC等低损耗需求场景,低DCR能有效降低系统整体功耗,延长电池续航(如便携设备)。

三、物理特性与封装规格

该电感采用SMD贴片封装,具体尺寸为7.1mm(长)×6.6mm(宽)×5mm(高),具备以下物理优势:

  1. 小体积高密度:紧凑尺寸适配紧凑型PCB设计,可用于笔记本电脑、车载中控等空间受限的设备;
  2. 自动化兼容:贴片式封装支持回流焊、波峰焊等自动化生产工艺,降低组装成本与人工误差;
  3. 机械稳定性:封装结构牢固,可承受常规振动与冲击(符合工业级基本要求)。

四、典型应用场景

SMMS0650-4R7M因高电流、低DCR与小体积特性,广泛应用于以下场景:

  1. DC-DC电源模块:如笔记本电脑的降压变换器(19V转5V/3.3V)、工业电源的升压/降压电路,低DCR减少损耗,高电流承载满足中功率输出需求;
  2. 车载电子系统:12V/24V车载电源(车载充电器、中控屏电源),饱和电流8A可应对车载系统的瞬间电流波动;
  3. LED驱动电源:大功率LED(路灯、显示屏)的恒流恒压电路,电感储能稳定输出电流,避免LED闪烁;
  4. 工业控制电路:电机驱动辅助电路、PLC电源模块,高可靠性适配工业环境的温度与振动需求;
  5. 消费电子:平板电脑、智能电视的电源管理单元(PMU),小体积节省PCB空间。

五、选型注意事项

为确保电路稳定工作,选型时需注意以下要点:

  1. 电流匹配:实际工作电流需≤额定电流6A,峰值电流需≤饱和电流8A,避免过流导致电感发热或性能下降;
  2. 空间预留:确认PCB焊盘尺寸与7.1×6.6mm匹配,同时预留1~2mm散热空间(避免相邻元件遮挡);
  3. 温度范围:工作环境温度需在-40℃~125℃内,高温场景需额外增加散热措施;
  4. 精度需求:若需±10%高精度,需确认该型号是否满足,或选择顺翔诺其他高精度系列;
  5. 焊接工艺:回流焊峰值温度需控制在240℃~260℃(时间≤10s),避免过温损坏。

六、产品价值总结

SMMS0650-4R7M通过高电流承载、低DCR损耗、小体积封装的组合优势,为中功率电路提供高性价比解决方案:

  • 降低系统功耗与发热,提升电源效率;
  • 适配高密度PCB设计,节省空间成本;
  • 满足常规工业与消费电子场景的可靠性需求,减少设计验证周期。

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.