My favorites
ER1641-473KS

ER1641-473KS

Delevan

Axial
PDF

Description

FIXED IND 47UH 195MA 2.11 OHM TH

Specifications

Inductance
47 µH
Current Rating
195 mA
DC Resistance (DCR)
2.11Ohm Max
Dimensions
0.162" Dia x 0.410" L (4.11mm x 10.41mm)

Parameter Guide

Understand the key electrical and mechanical specifications for ER1641-473KS.

Inductance
47 µH

ER1641-473KS has an inductance value of 47 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
195 mA

ER1641-473KS is rated for 195 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)
2.11Ohm Max

ER1641-473KS lists a DC resistance of 2.11Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
Axial

ER1641-473KS uses a package or case of Axial. Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.

Quick Tools

Use these calculators to help with your inductor design

Explore Related Datasheet Paths

Continue from ER1641-473KS to manufacturer, series, and broader datasheet collections.

Similar-specification candidates · Engineering review required

Screened against recorded construction, core, mounting, dimensions and current/DCR. Land pattern, test conditions and circuit compatibility still require validation.

Missing evidence or no candidates passed screening. A replacement cannot be determined; request a review of the original datasheets.

Product Attributes

Datasheet record
Source documentLast updated: 6/15/2026
Inductance47 µH
Tolerance±10%
Current Rating195 mA
DC Resistance (DCR)2.11Ohm Max
Operating Temperature-55°C ~ 105°C
Dimensions0.162" Dia x 0.410" L (4.11mm x 10.41mm)
Case / SizeAxial
Package / CaseAxial
SupplierDelevan
DescriptionFIXED IND 47UH 195MA 2.11 OHM TH
SeriesMilitary, MIL-PRF-39010/03, ER1641
Product StatusActive
Core MaterialFerrite
ShieldingUnshielded
Q @ Frequency50 @ 2.5MHz
Self Resonant Frequency27MHz
Inductance Test Frequency2.5 MHz
Mounting TypeThrough Hole
Featureshttps://www.digikey.com/en/products/detail/delevan/ER1641-473KS/3479962

Preview

Open PDF