Inductors, Coils, Chokes

78F3R9J-RC

Active

Bourns Inc.

RF CHOKE BOBBIN CORE 3.9UH 5% 7.9MHZ 45Q-FACTOR FERRITE 0.555A 0.32OHM DCR AXL BAG

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Inductors, Coils, Chokes

78F3R9J-RC

Active

Bourns Inc.

RF CHOKE BOBBIN CORE 3.9UH 5% 7.9MHZ 45Q-FACTOR FERRITE 0.555A 0.32OHM DCR AXL BAG

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Technical Specifications

Parameters and characteristics for this part

Specification	78F3R9J-RC

Current Rating (Amps)	555 mA
Frequency - Self Resonant	50 MHz
Inductance	3.9 µH
Inductance Frequency - Test	7.9 MHz
Material - Core	Ferrite
Mounting Type	Through Hole
Operating Temperature [Max]	105 ░C
Operating Temperature [Min]	-55 C
Package / Case	Axial
Q @ Freq [custom]	45
Q @ Freq [custom]	7.9 MHz
Shielding	Unshielded
Size / Dimension [diameter]	2.79 mm
Size / Dimension [diameter]	0.11 in
Size / Dimension [x]	7.11 mm
Size / Dimension [x]	0.28 in
Tolerance	5 %
Type	Drum Core, Wirewound

78F Series

Part	Q @ Freq	Material - Core	Current Rating (Amps)	Frequency - Self Resonant	Package / Case	DC Resistance (DCR) [Max]	Inductance	Size / Dimension [diameter]	Size / Dimension [x]	Size / Dimension [x]	Size / Dimension [diameter]	Type	Shielding	Mounting Type	Tolerance	Operating Temperature [Min]	Operating Temperature [Max]	Inductance Frequency - Test	Q @ Freq [custom]	Q @ Freq [custom]	DC Resistance (DCR)
Bourns Inc. 78F330J-RC	2.5 MHz 50	Ferrite	0.255 A	10 MHz	Axial	1.5 Ohm	33 µH	2.79 mm	7.11 mm	0.28 in	0.11 in	Drum Core Wirewound	Unshielded	Through Hole	5 %	-55 C	105 ░C	2.5 MHz
Bourns Inc. 78F4R7J		Ferrite	0.23 A	50 MHz	Axial	350 mOhm	4.7 ÁH	2.79 mm	7.11 mm	0.28 in	0.11 in	Drum Core Wirewound	Unshielded	Through Hole	5 %	-55 C	105 ░C	7.9 MHz	45	7.9 MHz
Bourns Inc. 78F1R8K	7.9 MHz 50	Ferrite	455 mA	125 MHz	Axial	250 mOhm	1.8 µH	2.79 mm	7.11 mm	0.28 in	0.11 in	Drum Core Wirewound	Unshielded	Through Hole	10 %	-55 C	105 ░C	7.9 MHz
Bourns Inc. 78F820J-RC	60	Ferrite	175 mA	6 MHz	Axial	3.6 Ohm	82 µH	2.79 mm	7.11 mm	0.28 in	0.11 in	Drum Core Wirewound	Unshielded	Through Hole	5 %	-55 C	105 ░C	2.5 MHz		2.5 MHz
Bourns Inc. 78F102J-RC	60 790 kHz	Ferrite	60 mA	1.2 MHz	Axial	31.4 Ohm	1 mH	2.79 mm	7.11 mm	0.28 in	0.11 in	Drum Core Wirewound	Unshielded	Through Hole	5 %	-55 C	105 ░C	790 kHz
Bourns Inc. 78F151J-RC	60 790 kHz	Ferrite	150 mA	4.75 MHz	Axial	5.4 Ohm	150 µH	2.79 mm	7.11 mm	0.28 in	0.11 in	Drum Core Wirewound	Unshielded	Through Hole	5 %	-55 C	105 ░C	790 kHz
Bourns Inc. 78FR39K-RC		Ferrite	1 A	310 MHz	Axial		390 nH	2.79 mm	7.11 mm	0.28 in	0.11 in	Drum Core Wirewound	Unshielded	Through Hole	10 %	-55 C	105 ░C	25 MHz	40	25 MHz	100 mOhm
Bourns Inc. 78F121J-RC	60 790 kHz	Ferrite	160 mA	5.4 MHz	Axial	4.7 Ohm		2.79 mm	7.11 mm	0.28 in	0.11 in	Drum Core Wirewound	Unshielded	Through Hole	5 %	-55 C	105 ░C	790 kHz
Bourns Inc. 78F3R9J-RC		Ferrite	555 mA	50 MHz	Axial		3.9 µH	2.79 mm	7.11 mm	0.28 in	0.11 in	Drum Core Wirewound	Unshielded	Through Hole	5 %	-55 C	105 ░C	7.9 MHz	45	7.9 MHz
Bourns Inc. 78F1R0K-RC		Ferrite	815 mA	180 MHz	Axial		1 µH	2.79 mm	7.11 mm	0.28 in	0.11 in	Drum Core Wirewound	Unshielded	Through Hole	10 %	-55 C	105 ░C	25 MHz	40	25 MHz	150 mOhm