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SDR0403-820KL

SDR0403-820KL

Bourns Inc.

Nonstandard
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Description

FIXED IND 82UH 420MA 1.27 OHM

Specifications

Inductance
82 µH
Current Rating
420 mA
DC Resistance (DCR)
1.27Ohm Max
Dimensions
0.177" L x 0.157" W (4.50mm x 4.00mm)

Parameter Guide

Understand the key electrical and mechanical specifications for SDR0403-820KL.

Inductance
82 µH

SDR0403-820KL has an inductance value of 82 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
420 mA

SDR0403-820KL 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)
1.27Ohm Max

SDR0403-820KL lists a DC resistance of 1.27Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
Nonstandard

SDR0403-820KL uses a package or case of Nonstandard. 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: 5/6/2026
Inductance82 µH
Tolerance±10%
Current Rating420 mA
DC Resistance (DCR)1.27Ohm Max
Saturation Current580mA
Operating Temperature-40°C ~ 125°C
Dimensions0.177" L x 0.157" W (4.50mm x 4.00mm)
Case / SizeNonstandard
Package / CaseNonstandard
SupplierBourns Inc.
DescriptionFIXED IND 82UH 420MA 1.27 OHM
SeriesSDR0403
Product StatusActive
Type / ConstructionDrum Core, Wirewound
Core MaterialFerrite
ShieldingUnshielded
Q @ Frequency25 @ 2.52MHz
Self Resonant Frequency10MHz
Inductance Test Frequency1 kHz
Mounting TypeSurface Mount
Height - Seated (Max)0.138" (3.50mm)

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