Inductors, Coils, Chokes

SDR7045-470K

Active

Bourns Inc.

SURFACE MOUNT POWER INDUCTOR, SDR7045 SERIES, 47 H, 10%, UNSHIELDED, 0.23 OHM, 1 A

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DocumentsTechnical Data Sheet EN Datasheet

Inductors, Coils, Chokes

SDR7045-470K

Active

Bourns Inc.

SURFACE MOUNT POWER INDUCTOR, SDR7045 SERIES, 47 H, 10%, UNSHIELDED, 0.23 OHM, 1 A

Deep-Dive with AI

DocumentsTechnical Data Sheet EN Datasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	SDR7045-470K

Current - Saturation (Isat)	1.1 A
Current Rating (Amps)	1 A
DC Resistance (DCR) [Max]	230 mOhm
Frequency - Self Resonant	11 MHz
Height - Seated (Max)	4.8 mm
Height - Seated (Max) [Max]	0.189 "
Inductance	47 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	21, 2.52 MHz
Shielding	Unshielded
Size / Dimension [x]	0.276 "
Size / Dimension [x]	7 mm
Size / Dimension [y]	0.276 in
Size / Dimension [y]	7 mm
Tolerance	10 %
Type	Drum Core, Wirewound

SDR7045 Series

Part	DC Resistance (DCR) [Max]	Height - Seated (Max) [Max]	Height - Seated (Max)	Frequency - Self Resonant	Current - Saturation (Isat)	Tolerance	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [y]	Size / Dimension [x]	Package / Case	Operating Temperature [Max]	Operating Temperature [Min]	Current Rating (Amps)	Type	Mounting Type	Inductance Frequency - Test	Inductance	Shielding	Q @ Freq	Material - Core	Q @ Freq [custom]	Q @ Freq [custom]	Q @ Freq [custom]	DC Resistance (DCR)
Bourns Inc. SDR7045-680K	280 mOhm	0.189 "	4.8 mm	11 MHz	920 mA	10 %	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	125 °C	-40 C	900 mA	Drum Core Wirewound	Surface Mount	100 kHz	68 µH	Unshielded	2.52 MHz 17	Ferrite
Bourns Inc. SDR7045-101K	430 mOhm	0.189 "	4.8 mm	10 MHz	720 mA	10 %	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	125 °C	-40 C	750 mA	Drum Core Wirewound	Surface Mount	100 kHz	100 µH	Unshielded	17 796 kHz	Ferrite
Bourns Inc. SDR7045-470K	230 mOhm	0.189 "	4.8 mm	11 MHz	1.1 A	10 %	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	125 °C	-40 C	1 A	Drum Core Wirewound	Surface Mount	100 kHz	47 µH	Unshielded	2.52 MHz 21	Ferrite
Bourns Inc. SDR7045-4R7M	42 mOhm	0.189 "	4.8 mm	38 MHz	3.4 A	20 %	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	125 °C	-40 C	2.6 A	Drum Core Wirewound	Surface Mount	100 kHz	4.7 ÁH	Unshielded		Ferrite	23	7.96 MHz
Bourns Inc. SDR7045-471K	1.85 Ohm	0.189 "	4.8 mm	4 MHz	300 mA	10 %	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	125 °C	-40 C	0.34 A	Drum Core Wirewound	Surface Mount	100 kHz	470 µH	Unshielded		Ferrite	20		796 kHz
Bourns Inc. SDR7045-330M		0.189 "	4.8 mm	18 MHz	1.32 A	20 %	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	125 °C	-40 C	1.22 A	Drum Core Wirewound	Surface Mount	100 kHz	33 µH	Unshielded	2.52 MHz 20	Ferrite				150 mOhm
Bourns Inc. SDR7045-2R2M		0.189 "	4.8 mm	79 MHz	4 A	20 %	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	125 °C	-40 C	3.3 A	Drum Core Wirewound	Surface Mount	100 kHz	2.2 µH	Unshielded	7.96 MHz 24	Ferrite				32 mOhm
Bourns Inc. SDR7045-1R2M		0.189 "	4.8 mm	90 MHz	5 A	20 %	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	125 °C	-40 C	3.8 A	Drum Core Wirewound	Surface Mount	100 kHz	1.2 µH	Unshielded	7.96 MHz 25	Ferrite
Bourns Inc. SDR7045-331K	1.24 Ohm	0.189 "	4.8 mm	6 MHz	400 mA	10 %	0.276 "	0.276 in	7 mm	7 mm	Nonstandard	125 °C	-40 C	0.42 A	Drum Core Wirewound	Surface Mount	100 kHz	330 µH	Unshielded		Ferrite	20		796 kHz

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	$ 0.86
		10	$ 0.74
		25	$ 0.68
		50	$ 0.62
		100	$ 0.55
		250	$ 0.52
		500	$ 0.44
	Digi-Reel®	1	$ 0.86
		10	$ 0.74
		25	$ 0.68
		50	$ 0.62
		100	$ 0.55
		250	$ 0.52
		500	$ 0.44
	N/A	173	$ 0.68
	Tape & Reel (TR)	1000	$ 0.39
		3000	$ 0.38
		5000	$ 0.37
		10000	$ 0.36
		25000	$ 0.34
Newark	Each (Supplied on Full Reel)	1	$ 0.43
		5000	$ 0.42
		10000	$ 0.39
		20000	$ 0.36
		30000	$ 0.34
		50000	$ 0.32

Description

General part information

SDR7045 Series

47 µH Unshielded Drum Core, Wirewound Inductor 1 A 230mOhm Max Nonstandard

Documents

Technical documentation and resources

Technical Data Sheet EN

Datasheet