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78F121J-RC

78F121J-RC

Bourns Inc.

Axial
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Description

FIXED IND 120UH 160MA 4.7 OHM TH

Specifications

Inductance
120 µH
Current Rating
160 mA
DC Resistance (DCR)
4.7Ohm Max
Dimensions
0.110" Dia x 0.280" L (2.79mm x 7.11mm)

Parameter Guide

Understand the key electrical and mechanical specifications for 78F121J-RC.

Inductance
120 µH

78F121J-RC has an inductance value of 120 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
160 mA

78F121J-RC is rated for 160 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)
4.7Ohm Max

78F121J-RC lists a DC resistance of 4.7Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
Axial

78F121J-RC uses a package or case of Axial. 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: 5/6/2026
Inductance120 µH
Tolerance±5%
Current Rating160 mA
DC Resistance (DCR)4.7Ohm Max
Operating Temperature-55°C ~ 105°C
Dimensions0.110" Dia x 0.280" L (2.79mm x 7.11mm)
Case / SizeAxial
Package / CaseAxial
SupplierBourns Inc.
DescriptionFIXED IND 120UH 160MA 4.7 OHM TH
Series78F
Product StatusActive
Type / ConstructionDrum Core, Wirewound
Core MaterialFerrite
ShieldingUnshielded
Q @ Frequency60 @ 790kHz
Self Resonant Frequency5.4MHz
Inductance Test Frequency790 kHz
Mounting TypeThrough Hole

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