78FR39K-RC

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Bourns Inc.

FIXED IND 390NH 1A 100 MOHM TH

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78FR39K-RC

Active

Bourns Inc.

FIXED IND 390NH 1A 100 MOHM TH

Deep-Dive with AI

DocumentsDatasheet

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	78FR39K-RC

Current Rating (Amps)	1 A
DC Resistance (DCR)	100 mOhm
Frequency - Self Resonant	310 MHz
Inductance	390 nH
Inductance Frequency - Test	25 MHz
Material - Core	Ferrite
Mounting Type	Through Hole
Operating Temperature [Max]	105 ░C
Operating Temperature [Min]	-55 °C
Package / Case	Axial
Q @ Freq	40
Shielding	Unshielded
Size / Dimension [diameter]	2.79 mm
Size / Dimension [diameter]	0.11 in
Size / Dimension [x]	0.28 in
Size / Dimension [x]	7.11 mm
Tolerance	10 %
Type	Wirewound, Drum Core

78F Series

Part	Shielding	Frequency - Self Resonant	Inductance Frequency - Test	Q @ Freq	Package / Case	Material - Core	Mounting Type	Current Rating (Amps)	Size / Dimension [x]	Size / Dimension [diameter]	Size / Dimension [diameter]	Size / Dimension [x]	DC Resistance (DCR) [Max]	Inductance	Type	Tolerance	Operating Temperature [Max]	Operating Temperature [Min]	DC Resistance (DCR)
Bourns Inc. 78F330J-RC	Unshielded	10 MHz	2.5 MHz	2.5 MHz 50	Axial	Ferrite	Through Hole	0.255 A	0.28 in	2.79 mm	0.11 in	7.11 mm	1.5 Ohm	33 µH	Drum Core Wirewound	5 %	105 ░C	-55 °C
Bourns Inc. 78F4R7J	Unshielded	50 MHz	7.9 MHz	7.9 MHz 45	Axial	Ferrite	Through Hole	0.23 A	0.28 in	2.79 mm	0.11 in	7.11 mm		4.7 ÁH	Drum Core Wirewound	5 %	105 ░C	-55 °C	350 mOhm
Bourns Inc. 78F1R8K	Unshielded	125 MHz	7.9 MHz	7.9 MHz 50	Axial	Ferrite	Through Hole	455 mA	0.28 in	2.79 mm	0.11 in	7.11 mm	250 mOhm	1.8 µH	Drum Core Wirewound	10 %	105 ░C	-55 °C
Bourns Inc. 78F102J-RC	Unshielded	1.2 MHz	790 kHz	60 790 kHz	Axial	Ferrite	Through Hole	60 mA	0.28 in	2.79 mm	0.11 in	7.11 mm	31.4 Ohm	1 mH	Drum Core Wirewound	5 %	105 ░C	-55 °C
Bourns Inc. 78F151J-RC	Unshielded	4.75 MHz	790 kHz	60 790 kHz	Axial	Ferrite	Through Hole	150 mA	0.28 in	2.79 mm	0.11 in	7.11 mm	5.4 Ohm	150 µH	Drum Core Wirewound	5 %	105 ░C	-55 °C
Bourns Inc. 78FR39K-RC	Unshielded	310 MHz	25 MHz	40	Axial	Ferrite	Through Hole	1 A	0.28 in	2.79 mm	0.11 in	7.11 mm		390 nH	Drum Core Wirewound	10 %	105 ░C	-55 °C	100 mOhm
Bourns Inc. 78F121J-RC	Unshielded	5.4 MHz	790 kHz	60 790 kHz	Axial	Ferrite	Through Hole	160 mA	0.28 in	2.79 mm	0.11 in	7.11 mm	4.7 Ohm		Drum Core Wirewound	5 %	105 ░C	-55 °C
Bourns Inc. 78F150J	Unshielded	16 MHz	2.5 MHz	2.5 MHz 50	Axial	Ferrite	Through Hole	150 mA	0.28 in	2.79 mm	0.11 in	7.11 mm	880 mOhm	15 µH	Drum Core Wirewound	5 %	105 ░C	-55 °C
Bourns Inc. 78F120J-RC	Unshielded	16 MHz	2.5 MHz	2.5 MHz 45	Axial	Ferrite	Through Hole	350 mA	0.28 in	2.79 mm	0.11 in	7.11 mm	800 mOhm	12 µH	Drum Core Wirewound	5 %	105 ░C	-55 °C
Bourns Inc. 78F680J	Unshielded	6.5 MHz	2.5 MHz	2.5 MHz 60	Axial	Ferrite	Through Hole	137 mA	0.28 in	2.79 mm	0.11 in	7.11 mm	2.9 Ohm	68 µH	Drum Core Wirewound	5 %	105 ░C	-55 °C

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Bulk	10000	$ 0.10

Description

General part information

78F Series

390 nH Unshielded Drum Core, Wirewound Inductor 1 A 100mOhm Max Axial

Documents

Technical documentation and resources