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1945R-21G

Delevan

Axial
PDF

Description

FIXED IND 120UH 170MA 5 OHM TH

Specifications

Inductance
120 µH
Current Rating
170 mA
DC Resistance (DCR)
5Ohm
Dimensions
0.193" Dia x 0.447" L (4.90mm x 11.35mm)

Parameter Guide

Understand the key electrical and mechanical specifications for 1945R-21G.

Inductance
120 µH

1945R-21G 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
170 mA

1945R-21G is rated for 170 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)
5Ohm

1945R-21G lists a DC resistance of 5Ohm. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
Axial

1945R-21G 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: 6/15/2026
Inductance120 µH
Tolerance±2%
Current Rating170 mA
DC Resistance (DCR)5Ohm
Saturation Current-
Operating Temperature-55°C ~ 125°C
Dimensions0.193" Dia x 0.447" L (4.90mm x 11.35mm)
Case / SizeAxial
Package / CaseAxial
SupplierDelevan
DescriptionFIXED IND 120UH 170MA 5 OHM TH
Series1945R
Product StatusActive
Type / ConstructionMolded
Core MaterialIron
ShieldingUnshielded
Q @ Frequency65 @ 790kHz
Self Resonant Frequency5.76MHz
Ratings-
Inductance Test Frequency790 kHz
Mounting TypeThrough Hole
Supplier Device Package-
Height - Seated (Max)-
Featureshttps://www.digikey.com/en/products/detail/delevan/1945R-21G/4180670

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