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PM40-221K

Bourns Inc.

1812 (4532 Metric)
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Description

FIXED IND 220UH 100MA 10 OHM SMD

Specifications

Inductance
220 µH
Current Rating
100 mA
DC Resistance (DCR)
10Ohm Max
Dimensions
0.177" L x 0.126" W (4.50mm x 3.20mm)

Parameter Guide

Understand the key electrical and mechanical specifications for PM40-221K.

Inductance
220 µH

PM40-221K 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
100 mA

PM40-221K is rated for 100 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)
10Ohm Max

PM40-221K lists a DC resistance of 10Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
1812 (4532 Metric)

PM40-221K 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: 6/11/2026
Inductance220 µH
Tolerance±10%
Current Rating100 mA
DC Resistance (DCR)10Ohm Max
Operating Temperature-55°C ~ 125°C
Dimensions0.177" L x 0.126" W (4.50mm x 3.20mm)
Case / Size1812 (4532 Metric)
Package / Case1812 (4532 Metric)
SupplierBourns Inc.
DescriptionFIXED IND 220UH 100MA 10 OHM SMD
SeriesPM40
Product StatusObsolete
Type / ConstructionMolded
Core MaterialFerrite
ShieldingUnshielded
Q @ Frequency40 @ 796kHz
Self Resonant Frequency4MHz
Inductance Test Frequency796 kHz
Mounting TypeSurface Mount
Supplier Device Package1812
Height - Seated (Max)0.126" (3.20mm)

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