What are the key electrical specifications?

It features a 4.7 µH inductance (±20%), a typical DCR of 17 mΩ, a saturation current of 15 A, and a temperature rise current of 8.5 A.

What applications is this inductor suitable for?

It is ideal for POL converters, battery-powered devices, distributed power systems, and power management in servers and notebooks.

What should be considered during PCB design?

Ensure adequate PCB trace width and thickness to handle the high current and manage heat dissipation, as the component can self-heat under load.

What is the pinout of SMMS1040-4R7M?

Use the SMMS1040-4R7M datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about SMMS1040-4R7M pinout to locate pins, power rails, and interface signals before layout.

SMMS1040-4R7M Datasheet, Specs, Alternatives & ECAD | SXN

AI summary

The SMMS1040-4R7M is a 4.7 µH shielded power inductor designed for high-current SMT applications, offering a 15 A saturation current and low 17 mΩ DCR.

Best for

POL converters
DC/DC power stages
High-current power supplies

Avoid if

Space-constrained designs requiring ultra-low profile inductors
Applications exceeding 125°C

Check before use

Thermal design and PCB trace current capacity

Key specifications

Inductance: 4.7 µH
Saturation Current: 15 A
DCR (Typ): 17 mΩ
Operating Temp: -40°C to +125°C

Compliance & Environment

RoHS: Compliant
REACH: Compliant
MSL: -
ECCN: -
HTSUS: -

Application

Power ManagementIndustrial

Datasheet

57b06dfee49b8b2b037d260d03598bf7.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SMMS1040-4R7M: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

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PCB Footprint

Land pattern for PCB layout

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3D Model

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KiCad Library

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a molded, magnetically shielded surface-mount power inductor with an inductance of 4.7 µH, designed for high-current power management circuits.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Alternative components

Design and risk insights

Questions & answers

What is the SMMS1040-4R7M?+×

What are the key electrical specifications?+×

What applications is this inductor suitable for?+×

What should be considered during PCB design?+×

What is the pinout of SMMS1040-4R7M?+×