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LAL04KB121K

Taiyo Yuden

Axial
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Description

FIXED IND 120UH 185MA 3.7 OHM TH

Specifications

Inductance
120 µH
Current Rating
185 mA
DC Resistance (DCR)
3.7Ohm Max
Dimensions
0.157" Dia x 0.386" L (4.00mm x 9.80mm)

Parameter Guide

Understand the key electrical and mechanical specifications for LAL04KB121K.

Inductance
120 µH

LAL04KB121K has an inductance value of 120 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
185 mA

LAL04KB121K is rated for 185 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)
3.7Ohm Max

LAL04KB121K lists a DC resistance of 3.7Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
Axial

LAL04KB121K 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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Product Attributes

Datasheet record
Source documentLast updated: 6/17/2026
Inductance120 µH
Tolerance±10%
Current Rating185 mA
DC Resistance (DCR)3.7Ohm Max
Operating Temperature-25°C ~ 105°C
Dimensions0.157" Dia x 0.386" L (4.00mm x 9.80mm)
Case / SizeAxial
Package / CaseAxial
SupplierTaiyo Yuden
DescriptionFIXED IND 120UH 185MA 3.7 OHM TH
SeriesLA, L Type
Product StatusObsolete
ShieldingUnshielded
Q @ Frequency55 @ 796kHz
Self Resonant Frequency3.8MHz
Inductance Test Frequency796 kHz
Mounting TypeThrough Hole

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