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CTLQ1812CF-221K

CTLQ1812CF-221K

Central Technologies

1812 (4532 Metric)
PDF

Description

FIXED IND 220UH 110MA 4 OHM SMD

Specifications

Inductance
220 µH
Current Rating
110 mA
DC Resistance (DCR)
4Ohm Max
Dimensions
0.177 L x 0.126 W (4.50mm x 3.20mm)

Parameter Guide

Understand the key electrical and mechanical specifications for CTLQ1812CF-221K.

Inductance
220 µH

CTLQ1812CF-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
110 mA

CTLQ1812CF-221K is rated for 110 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)
4Ohm Max

CTLQ1812CF-221K lists a DC resistance of 4Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
1812 (4532 Metric)

CTLQ1812CF-221K uses a package or case of 1812 (4532 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: 7/5/2026
Inductance220 µH
Tolerance±10%
Current Rating110 mA
DC Resistance (DCR)4Ohm Max
Saturation Current-
Operating Temperature-40°C ~ 125°C
Dimensions0.177 L x 0.126 W (4.50mm x 3.20mm)
Case / Size1812 (4532 Metric)
Package / Case1812 (4532 Metric)
SupplierCentral Technologies
DescriptionFIXED IND 220UH 110MA 4 OHM SMD
SeriesCTLQ1812CF
Product StatusActive
Type / ConstructionWirewound
Core Material-
ShieldingUnshielded
Q @ Frequency-
Self Resonant Frequency4.5MHz
Ratings-
Inductance Test Frequency1 MHz
Mounting TypeSurface Mount
Supplier Device Package1812
Height - Seated (Max)0.110 (2.80mm)
Features-

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