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RL110-821K

Bourns Inc.

Radial, Vertical Cylinder, 4 Leads (Open)
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Description

FIXED IND 820UH 590MA 1.3 OHM TH

Specifications

Inductance
820 µH
Current Rating
590 mA
DC Resistance (DCR)
1.3Ohm Max
Dimensions
0.394" Dia (10.00mm)

Parameter Guide

Understand the key electrical and mechanical specifications for RL110-821K.

Inductance
820 µH

RL110-821K has an inductance value of 820 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
590 mA

RL110-821K is rated for 590 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)
1.3Ohm Max

RL110-821K lists a DC resistance of 1.3Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
Radial, Vertical Cylinder, 4 Leads (Open)

RL110-821K uses a package or case of Radial, Vertical Cylinder, 4 Leads (Open). 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
Inductance820 µH
Tolerance±10%
Current Rating590 mA
DC Resistance (DCR)1.3Ohm Max
Operating Temperature-30°C ~ 100°C
Dimensions0.394" Dia (10.00mm)
Case / SizeRadial, Vertical Cylinder, 4 Leads (Open)
Package / CaseRadial, Vertical Cylinder, 4 Leads (Open)
SupplierBourns Inc.
DescriptionFIXED IND 820UH 590MA 1.3 OHM TH
SeriesRL110
Product StatusObsolete
Type / ConstructionDrum Core, Wirewound
Core MaterialFerrite
ShieldingUnshielded
Self Resonant Frequency2MHz
Inductance Test Frequency1 kHz
Mounting TypeThrough Hole
Height - Seated (Max)0.394" (10.00mm)

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