Inductors, Coils, Chokes

SRR7045-391M

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Bourns Inc.

INDUCTOR POWER SHIELDED WIREWOUND 390UH 20% 1KHZ 50Q-FACTOR FERRITE 0.54A 1OHM DCR T/R

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Inductors, Coils, Chokes

SRR7045-391M

Active

Bourns Inc.

INDUCTOR POWER SHIELDED WIREWOUND 390UH 20% 1KHZ 50Q-FACTOR FERRITE 0.54A 1OHM DCR T/R

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	SRR7045-391M

Current - Saturation (Isat)	250 mA
Current Rating (Amps)	0.54 A
DC Resistance (DCR) [Max]	1.2 Ohm
Frequency - Self Resonant	5 MHz
Height - Seated (Max)	4.8 mm
Height - Seated (Max) [Max]	0.189 "
Inductance	390 µH
Inductance Frequency - Test	100 kHz
Material - Core	Ferrite
Mounting Type	Surface Mount
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 C
Package / Case	Nonstandard
Q @ Freq	796 kHz, 27
Shielding	Shielded
Size / Dimension [x]	0.276 "
Size / Dimension [x]	7 mm
Size / Dimension [y]	0.276 in
Size / Dimension [y]	7 mm
Tolerance	20 %
Type	Drum Core, Wirewound

SRR7045 Series

Part	Operating Temperature [Max]	Operating Temperature [Min]	Inductance Frequency - Test	Mounting Type	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [y]	Size / Dimension [x]	Package / Case	Frequency - Self Resonant	Current - Saturation (Isat)	Type	Tolerance	DC Resistance (DCR)	Material - Core	Height - Seated (Max) [Max]	Height - Seated (Max)	Q @ Freq	Shielding	Current Rating (Amps)	Inductance	DC Resistance (DCR) [Max]
Bourns Inc. SRR7045-121M	125 °C	-40 C	100 kHz	Surface Mount	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	7 MHz	550 mA	Drum Core Wirewound	20 %	420 mOhm	Ferrite	0.189 "	4.8 mm	30 796 kHz	Shielded	900 mA
Bourns Inc. SRR7045-6R3M	125 °C	-40 C	100 kHz	Surface Mount	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	30 MHz	3 A	Drum Core Wirewound	20 %	38 mOhm	Ferrite	0.189 "	4.8 mm	7.96 MHz 10	Shielded	2.45 A	6.3 µH
Bourns Inc. SRR7045-102M	125 °C	-40 C	100 kHz	Surface Mount	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	2.2 MHz 3 MHz	160 mA	Drum Core Wirewound	20 %		Ferrite	0.189 "	4.8 mm	90	Shielded	0.33 A	1 mH	2.4 Ohm
Bourns Inc. SRR7045-330M	125 °C	-40 C	100 kHz	Surface Mount	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	12 MHz	1 A	Drum Core Wirewound	20 %	115 mOhm	Ferrite	0.189 "	4.8 mm	2.52 MHz 25	Shielded	1.6 A	33 µH
Bourns Inc. SRR7045-391M	125 °C	-40 C	100 kHz	Surface Mount	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	5 MHz	250 mA	Drum Core Wirewound	20 %		Ferrite	0.189 "	4.8 mm	27 796 kHz	Shielded	0.54 A	390 µH	1.2 Ohm
Bourns Inc. SRR7045-390M	125 °C	-40 C	100 kHz	Surface Mount	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	13 MHz	950 mA	Drum Core Wirewound	20 %	130 mOhm	Ferrite	0.189 "	4.8 mm	2.52 MHz 26	Shielded	1.5 A	39 µH
Bourns Inc. SRR7045-271M	125 °C	-40 C	100 kHz	Surface Mount	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	5 MHz	300 mA	Drum Core Wirewound	20 %		Ferrite	0.189 "	4.8 mm	30 796 kHz	Shielded	0.62 A	270 µH	840 mOhm
Bourns Inc. SRR7045-101M	125 °C	-40 C	100 kHz	Surface Mount	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	8 MHz	0.6 A	Drum Core Wirewound	20 %		Ferrite	0.189 "	4.8 mm	40 796 kHz	Shielded	1 A	100 µH	300 mOhm
Bourns Inc. SRR7045-270M	125 °C	-40 C	100 kHz	Surface Mount	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	18 MHz	1.15 A	Drum Core Wirewound	20 %	110 mOhm	Ferrite	0.189 "	4.8 mm	2.52 MHz 25	Shielded	1.8 A	27 µH

Pricing

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

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 0.78
		10	$ 0.67
		25	$ 0.61
		50	$ 0.56
		100	$ 0.50
		250	$ 0.47
		500	$ 0.40
	Digi-Reel®	1	$ 0.78
		10	$ 0.67
		25	$ 0.61
		50	$ 0.56
		100	$ 0.50
		250	$ 0.47
		500	$ 0.40
	N/A	808	$ 0.65
	Tape & Reel (TR)	1000	$ 0.36
		3000	$ 0.35
		5000	$ 0.33
		10000	$ 0.32
		25000	$ 0.31
Newark	Each (Supplied on Full Reel)	1	$ 0.39
		5000	$ 0.38
		10000	$ 0.35
		20000	$ 0.33
		30000	$ 0.30
		50000	$ 0.29

Description

General part information

SRR7045 Series

390 µH Shielded Drum Core, Wirewound Inductor 540 mA 1.2Ohm Max Nonstandard

Documents

Technical documentation and resources