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CTS4F-121K

CTS4F-121K

Central Technologies

Axial
PDF

Description

FIXED IND 120UH 311MA 2.4 OHM TH

Specifications

Inductance
120 µH
Current Rating
311 mA
DC Resistance (DCR)
2.4Ohm Max
Dimensions
0.160 Dia x 0.449 L (4.06mm x 11.40mm)

Parameter Guide

Understand the key electrical and mechanical specifications for CTS4F-121K.

Inductance
120 µH

CTS4F-121K 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
311 mA

CTS4F-121K is rated for 311 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)
2.4Ohm Max

CTS4F-121K lists a DC resistance of 2.4Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
Axial

CTS4F-121K uses a package or case of Axial. Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.

Quick Tools

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Product Attributes

Datasheet record
Source documentLast updated: 7/5/2026
Inductance120 µH
Tolerance±10%
Current Rating311 mA
DC Resistance (DCR)2.4Ohm Max
Saturation Current95mA
Operating Temperature-55°C ~ 125°C
Dimensions0.160 Dia x 0.449 L (4.06mm x 11.40mm)
Case / SizeAxial
Package / CaseAxial
SupplierCentral Technologies
DescriptionFIXED IND 120UH 311MA 2.4 OHM TH
SeriesCTS4F
Product StatusActive
Type / ConstructionMolded
Core Material-
ShieldingShielded
Q @ Frequency65 @ 790kHz
Self Resonant Frequency11MHz
Ratings-
Inductance Test Frequency1 kHz
Mounting TypeThrough Hole
Supplier Device PackageAxial
Height - Seated (Max)-
Features-

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