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SM3-391K

Gowanda

1210 (3225 Metric)
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Description

FIXED IND 3.9UH 372MA 1.5 OHM

Specifications

Inductance
3.9 µH
Current Rating
372 mA
DC Resistance (DCR)
1.5Ohm Max
Dimensions
0.126" L x 0.098" W (3.20mm x 2.49mm)

Parameter Guide

Understand the key electrical and mechanical specifications for SM3-391K.

Inductance
3.9 µH

SM3-391K 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
372 mA

SM3-391K is rated for 372 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.

DC Resistance (DCR)
1.5Ohm Max

SM3-391K lists a DC resistance of 1.5Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
1210 (3225 Metric)

SM3-391K uses a package or case of 1210 (3225 Metric). 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: 6/26/2026
Inductance3.9 µH
Tolerance±10%
Current Rating372 mA
DC Resistance (DCR)1.5Ohm Max
Operating Temperature-55°C ~ 125°C
Dimensions0.126" L x 0.098" W (3.20mm x 2.49mm)
Case / Size1210 (3225 Metric)
Package / Case1210 (3225 Metric)
SupplierGowanda
DescriptionFIXED IND 3.9UH 372MA 1.5 OHM
SeriesSM3
Product StatusActive
Type / ConstructionMolded
Core MaterialIron Powder
ShieldingUnshielded
Self Resonant Frequency47MHz
Inductance Test Frequency4 MHz
Mounting TypeSurface Mount
Supplier Device Package1210
Height - Seated (Max)0.102" (2.60mm)

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