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1231AS-H-1R2N=P3

muRata

SMD,3.9x3.7mm
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Description

Power Inductor, 1.2uH, ±30%, Saturation current: 2.4A, Case: SMD,3.9x3.7mm

Specifications

Inductance
1.2uH
Current Rating
2.4 A
DC Resistance (DCR)
36mΩ

Parameter Guide

Understand the key electrical and mechanical specifications for 1231AS-H-1R2N=P3.

Inductance
1.2uH

1231AS-H-1R2N=P3 has an inductance value of 1.2uH. 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
2.4 A

1231AS-H-1R2N=P3 is rated for 2.4 A. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.

DC Resistance (DCR)
36mΩ

1231AS-H-1R2N=P3 lists a DC resistance of 36mΩ. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
SMD,3.9x3.7mm

1231AS-H-1R2N=P3 uses a package or case of SMD,3.9x3.7mm. 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: 10/8/2026
Inductance1.2uH
Tolerance±30%
Current Rating2.4 A
DC Resistance (DCR)36mΩ
Saturation Current2.4A
Case / SizeSMD,3.9x3.7mm
Package / CaseSMD,3.9x3.7mm
SuppliermuRata
DescriptionPower Inductor, 1.2uH, ±30%, Saturation current: 2.4A, Case: SMD,3.9x3.7mm
Type / ConstructionPower Inductor
Inductance Test Frequency100 kHz

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