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CTH7F-221K

CTH7F-221K

Central Technologies

Axial
PDF

Description

FIXED IND 220UH 510MA 430 MOHM

Specifications

Inductance
220 µH
Current Rating
510 mA
DC Resistance (DCR)
430mOhm Max
Dimensions
0.290 Dia x 0.602 L (7.37mm x 15.30mm)

Parameter Guide

Understand the key electrical and mechanical specifications for CTH7F-221K.

Inductance
220 µH

CTH7F-221K has an inductance value of 220 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
510 mA

CTH7F-221K is rated for 510 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)
430mOhm Max

CTH7F-221K lists a DC resistance of 430mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
Axial

CTH7F-221K 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: 7/5/2026
Inductance220 µH
Tolerance±10%
Current Rating510 mA
DC Resistance (DCR)430mOhm Max
Saturation Current860mA
Operating Temperature-55°C ~ 125°C
Dimensions0.290 Dia x 0.602 L (7.37mm x 15.30mm)
Case / SizeAxial
Package / CaseAxial
SupplierCentral Technologies
DescriptionFIXED IND 220UH 510MA 430 MOHM
SeriesCTH7F
Product StatusActive
Type / Construction-
Core Material-
ShieldingUnshielded
Q @ Frequency-
Self Resonant Frequency3MHz
Ratings-
Inductance Test Frequency1 kHz
Mounting TypeThrough Hole
Supplier Device PackageAxial
Height - Seated (Max)-
Features-

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