ER1641-681JR

Delevan

Axial
PDF

Description

FIXED IND 680NH 420MA 450 MOHM

Specifications

Inductance
680 nH
Current Rating
420 mA
DC Resistance (DCR)
450mOhm Max
Dimensions
0.162" Dia x 0.410" L (4.11mm x 10.41mm)

Parameter Guide

Understand the key electrical and mechanical specifications for ER1641-681JR.

Inductance
680 nH

ER1641-681JR has an inductance value of 680 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
420 mA

ER1641-681JR is rated for 420 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)
450mOhm Max

ER1641-681JR lists a DC resistance of 450mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
Axial

ER1641-681JR 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 ER1641-681JR to manufacturer, series, and broader datasheet collections.

Alternative Solutions

Compare possible alternatives with similar specifications. Verify every electrical and mechanical requirement before use.

Product Attributes

Datasheet record
Source documentLast updated: 6/15/2026
Inductance680 nH
Tolerance±5%
Current Rating420 mA
DC Resistance (DCR)450mOhm 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 680NH 420MA 450 MOHM
SeriesER1641
Product StatusActive
Type / ConstructionMolded
Core MaterialPhenolic
ShieldingShielded
Q @ Frequency42 @ 25MHz
Self Resonant Frequency190MHz
Inductance Test Frequency25 MHz
Mounting TypeThrough Hole
Featureshttps://www.digikey.com/en/products/detail/delevan/ER1641-681JR/4204016

Preview

Open PDF