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CTMC1812SF-681J

CTMC1812SF-681J

Central Technologies

1812 (4532 Metric)
PDF

Description

FIXED IND 680UH 50MA 30 OHM SMD

Specifications

Inductance
680 µH
Current Rating
50 mA
DC Resistance (DCR)
30Ohm Max
Dimensions
0.177 L x 0.126 W (4.50mm x 3.20mm)

Parameter Guide

Understand the key electrical and mechanical specifications for CTMC1812SF-681J.

Inductance
680 µH

CTMC1812SF-681J 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
50 mA

CTMC1812SF-681J is rated for 50 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)
30Ohm Max

CTMC1812SF-681J lists a DC resistance of 30Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
1812 (4532 Metric)

CTMC1812SF-681J uses a package or case of 1812 (4532 Metric). 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: 7/5/2026
Inductance680 µH
Tolerance±5%
Current Rating50 mA
DC Resistance (DCR)30Ohm Max
Saturation Current-
Operating Temperature-40°C ~ 125°C
Dimensions0.177 L x 0.126 W (4.50mm x 3.20mm)
Case / Size1812 (4532 Metric)
Package / Case1812 (4532 Metric)
SupplierCentral Technologies
DescriptionFIXED IND 680UH 50MA 30 OHM SMD
SeriesCTMC1812SF
Product StatusActive
Type / ConstructionDrum Core, Wirewound
Core MaterialFerrite
ShieldingUnshielded
Q @ Frequency30 @ 796kHz
Self Resonant Frequency3MHz
Ratings-
Inductance Test Frequency796 kHz
Mounting TypeSurface Mount
Supplier Device Package1812
Height - Seated (Max)0.134 (3.40mm)
Features-

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