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PM40-R18M

PM40-R18M

Bourns Inc.

1812 (4532 Metric)
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Description

FIXED IND 180NH 450MA 280 MOHM

Specifications

Inductance
180 nH
Current Rating
450 mA
DC Resistance (DCR)
280mOhm 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-R18M.

Inductance
180 nH

PM40-R18M has an inductance value of 180 nH. 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
450 mA

PM40-R18M is rated for 450 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)
280mOhm Max

PM40-R18M lists a DC resistance of 280mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
1812 (4532 Metric)

PM40-R18M 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
Inductance180 nH
Tolerance±20%
Current Rating450 mA
DC Resistance (DCR)280mOhm 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 180NH 450MA 280 MOHM
SeriesPM40
Product StatusObsolete
Type / ConstructionMolded
Core MaterialNon-Magnetic
ShieldingUnshielded
Q @ Frequency30 @ 25.2MHz
Self Resonant Frequency400MHz
Inductance Test Frequency25.2 MHz
Mounting TypeSurface Mount
Supplier Device Package1812
Height - Seated (Max)0.126" (3.20mm)

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