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39S681C

muRata

SMD-3P,12.9x12.9mm
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Description

Power Inductor, 680nH, ±30%, Rated current: 19.5A, Saturation current: 20.4A, Case: SMD-3P,12.9x12.9mm

Specifications

Inductance
680nH
Current Rating
19.5A
DC Resistance (DCR)
1.9 mOhm Max

Parameter Guide

Understand the key electrical and mechanical specifications for 39S681C.

Inductance
680nH

39S681C has an inductance value of 680nH. 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
19.5A

39S681C is rated for 19.5A. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.

DC Resistance (DCR)
1.9 mOhm Max

39S681C lists a DC resistance of 1.9 mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
SMD-3P,12.9x12.9mm

39S681C uses a package or case of SMD-3P,12.9x12.9mm. 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
Inductance680nH
Tolerance±30%
Current Rating19.5A
DC Resistance (DCR)1.9 mOhm Max
Saturation Current20.4A
Case / SizeSMD-3P,12.9x12.9mm
Package / CaseSMD-3P,12.9x12.9mm
SuppliermuRata
DescriptionPower Inductor, 680nH, ±30%, Rated current: 19.5A, Saturation current: 20.4A, Case: SMD-3P,12.9x12.9mm
Type / ConstructionPower Inductor
Inductance Test Frequency100 kHz

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