SWPA8040S3R9NT

SWPA8040S3R9NT

Sunlord

Nonstandard
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Description

FIXED IND 3.9UH 4.35A 22 MOHM

Specifications

Inductance
3.9 µH
Current Rating
4.35 A
DC Resistance (DCR)
22mOhm Max
Dimensions
0.315" L x 0.315" W (8.00mm x 8.00mm)

Parameter Guide

Understand the key electrical and mechanical specifications for SWPA8040S3R9NT.

Inductance
3.9 µH

SWPA8040S3R9NT has an inductance value of 3.9 µH. This value indicates how much magnetic energy the component can store and is one of the first parameters to compare when selecting an inductor.

Current Rating
4.35 A

SWPA8040S3R9NT is rated for 4.35 A. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.

DC Resistance (DCR)
22mOhm Max

SWPA8040S3R9NT lists a DC resistance of 22mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
Nonstandard

SWPA8040S3R9NT uses a package or case of Nonstandard. Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.

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Product Attributes

Datasheet record
Source documentLast updated: 6/15/2026
Inductance3.9 µH
Tolerance±30%
Current Rating4.35 A
DC Resistance (DCR)22mOhm Max
Saturation Current5.75A
Operating Temperature-40°C ~ 125°C
Dimensions0.315" L x 0.315" W (8.00mm x 8.00mm)
Case / SizeNonstandard
Package / CaseNonstandard
SupplierSunlord
DescriptionFIXED IND 3.9UH 4.35A 22 MOHM
SeriesSWPA
Product StatusActive
Type / ConstructionDrum Core, Wirewound
Core MaterialFerrite
ShieldingShielded
Self Resonant Frequency26MHz
Inductance Test Frequency100 kHz
Mounting TypeSurface Mount
Height - Seated (Max)0.165" (4.20mm)

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