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B82111E0000C021

B82111E0000C021

TDK

Axial
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Description

FIXED IND 12UH 4A 40 MOHM TH

Specifications

Inductance
12 µH
Current Rating
4 A
DC Resistance (DCR)
40mOhm
Dimensions
0.276" Dia x 1.024" L (7.00mm x 26.00mm)

Parameter Guide

Understand the key electrical and mechanical specifications for B82111E0000C021.

Inductance
12 µH

B82111E0000C021 has an inductance value of 12 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 A

B82111E0000C021 is rated for 4 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)
40mOhm

B82111E0000C021 lists a DC resistance of 40mOhm. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
Axial

B82111E0000C021 uses a package or case of Axial. Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.

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Similar-specification candidates · Engineering review required

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Product Attributes

Datasheet record
Source documentLast updated: 6/18/2026
Inductance12 µH
Tolerance±20%
Current Rating4 A
DC Resistance (DCR)40mOhm
Operating Temperature-55°C ~ 125°C
Dimensions0.276" Dia x 1.024" L (7.00mm x 26.00mm)
Case / SizeAxial
Package / CaseAxial
SupplierTDK
DescriptionFIXED IND 12UH 4A 40 MOHM TH
SeriesB82111E
Product StatusObsolete
Type / ConstructionDrum Core, Wirewound
Core MaterialFerrite
ShieldingUnshielded
Self Resonant Frequency140MHz
Inductance Test Frequency100 kHz
Mounting TypeThrough Hole

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