My favorites
SLF7045T-681MR20-PF

SLF7045T-681MR20-PF

TDK

Nonstandard
PDF

Description

FIXED IND 680UH 270MA 1.776 OHM

Specifications

Inductance
680 µH
Current Rating
270 mA
DC Resistance (DCR)
1.776Ohm Max
Dimensions
0.276" L x 0.276" W (7.00mm x 7.00mm)

Parameter Guide

Understand the key electrical and mechanical specifications for SLF7045T-681MR20-PF.

Inductance
680 µH

SLF7045T-681MR20-PF has an inductance value of 680 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
270 mA

SLF7045T-681MR20-PF is rated for 270 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)
1.776Ohm Max

SLF7045T-681MR20-PF lists a DC resistance of 1.776Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
Nonstandard

SLF7045T-681MR20-PF uses a package or case of Nonstandard. 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 SLF7045T-681MR20-PF to manufacturer, series, and broader datasheet collections.

Product Attributes

Datasheet record
Source documentLast updated: 6/19/2026
Inductance680 µH
Tolerance±20%
Current Rating270 mA
DC Resistance (DCR)1.776Ohm Max
Saturation Current200mA
Operating Temperature-40°C ~ 105°C
Dimensions0.276" L x 0.276" W (7.00mm x 7.00mm)
Case / SizeNonstandard
Package / CaseNonstandard
SupplierTDK
DescriptionFIXED IND 680UH 270MA 1.776 OHM
SeriesSLF
Product StatusObsolete
Type / ConstructionDrum Core, Wirewound
Core MaterialFerrite
ShieldingShielded
Inductance Test Frequency100 kHz
Mounting TypeSurface Mount
Height - Seated (Max)0.189" (4.80mm)

Preview

Open PDF