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77F221J-TR-RC

77F221J-TR-RC

Bourns Inc.

Axial
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Description

FIXED IND 220UH 155MA 5 OHM TH

Specifications

Inductance
220 µH
Current Rating
155 mA
DC Resistance (DCR)
5Ohm Max
Dimensions
0.157" Dia x 0.410" L (3.99mm x 10.41mm)

Parameter Guide

Understand the key electrical and mechanical specifications for 77F221J-TR-RC.

Inductance
220 µH

77F221J-TR-RC has an inductance value of 220 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
155 mA

77F221J-TR-RC is rated for 155 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)
5Ohm Max

77F221J-TR-RC lists a DC resistance of 5Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
Axial

77F221J-TR-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
Inductance220 µH
Tolerance±5%
Current Rating155 mA
DC Resistance (DCR)5Ohm Max
Operating Temperature-55°C ~ 105°C
Dimensions0.157" Dia x 0.410" L (3.99mm x 10.41mm)
Case / SizeAxial
Package / CaseAxial
SupplierBourns Inc.
DescriptionFIXED IND 220UH 155MA 5 OHM TH
Series77F
Product StatusActive
Type / ConstructionDrum Core, Wirewound
Core MaterialFerrite
ShieldingUnshielded
Q @ Frequency60 @ 796kHz
Self Resonant Frequency2.8MHz
Inductance Test Frequency796 kHz
Mounting TypeThrough Hole

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