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SMRF1812S-332KLF

Gowanda

1812 (4532 Metric)
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Description

FIXED IND 33UH 301MA 2.21 OHM

Specifications

Inductance
33 µH
Current Rating
301 mA
DC Resistance (DCR)
2.21Ohm Max
Dimensions
0.177" L x 0.126" W (4.50mm x 3.20mm)

Parameter Guide

Understand the key electrical and mechanical specifications for SMRF1812S-332KLF.

Inductance
33 µH

SMRF1812S-332KLF has an inductance value of 33 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
301 mA

SMRF1812S-332KLF is rated for 301 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)
2.21Ohm Max

SMRF1812S-332KLF lists a DC resistance of 2.21Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
1812 (4532 Metric)

SMRF1812S-332KLF 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: 6/26/2026
Inductance33 µH
Tolerance±10%
Current Rating301 mA
DC Resistance (DCR)2.21Ohm Max
Saturation Current181mA
Operating Temperature-55°C ~ 125°C
Dimensions0.177" L x 0.126" W (4.50mm x 3.20mm)
Case / Size1812 (4532 Metric)
Package / Case1812 (4532 Metric)
SupplierGowanda
DescriptionFIXED IND 33UH 301MA 2.21 OHM
SeriesSMRF1812S
Product StatusActive
Type / ConstructionMolded
Core MaterialFerrite
ShieldingShielded
Q @ Frequency50 @ 2.5MHz
Self Resonant Frequency12MHz
Ratings-
Inductance Test Frequency2.5 MHz
Mounting TypeSurface Mount
Supplier Device Package1812
Height - Seated (Max)0.138" (3.50mm)
Features-

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