Bourns-SDR1045-471K Inductor Surface Mount Inductor Power Unshielded Wirewound 470uH 10% 100KHz 12Q-Factor Ferrite 0.52A 2.25Ohm DCR T/R

Inductors, Coils, Chokes

SDR1045-4R5M

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Bourns Inc.

INDUCTOR POWER UNSHIELDED WIREWOUND 4.5UH 20% 100KHZ 25Q-FACTOR FERRITE 4.2A 0.033OHM DCR T/R

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Inductors, Coils, Chokes

SDR1045-4R5M

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Bourns Inc.

INDUCTOR POWER UNSHIELDED WIREWOUND 4.5UH 20% 100KHZ 25Q-FACTOR FERRITE 4.2A 0.033OHM DCR T/R

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	SDR1045-4R5M

Current - Saturation (Isat)	5.2 A
Current Rating (Amps)	4.2 A
DC Resistance (DCR)	33 mOhm
Frequency - Self Resonant	44.2 MHz
Height - Seated (Max)	4.8 mm
Height - Seated (Max) [Max]	0.189 "
Inductance	4.5 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	25, 7.96 MHz
Shielding	Unshielded
Size / Dimension [x]	0.394 in
Size / Dimension [x]	10 mm
Size / Dimension [y]	0.394 in
Size / Dimension [y]	10 mm
Tolerance	20 %
Type	Drum Core, Wirewound

SDR1045 Series

Part	Tolerance	Shielding	Material - Core	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [x]	Mounting Type	Current - Saturation (Isat)	Inductance Frequency - Test	Type	Q @ Freq	Frequency - Self Resonant	Current Rating (Amps)	Height - Seated (Max) [Max]	Height - Seated (Max)	Operating Temperature [Max]	Operating Temperature [Min]	Package / Case	Inductance	DC Resistance (DCR) [Max]	DC Resistance (DCR)
Bourns Inc. SDR1045-102K	10 %	Unshielded	Ferrite	0.394 in	0.394 in	10 mm	10 mm	Surface Mount	400 mA	100 kHz	Drum Core Wirewound	25 252 kHz	2.9 MHz	0.38 A	0.189 "	4.8 mm	125 °C	-40 C	Nonstandard	1 mH	4.7 Ohm
Bourns Inc. SDR1045-471K	10 %	Unshielded	Ferrite	0.394 in	0.394 in	10 mm	10 mm	Surface Mount	580 mA	100 kHz	Drum Core Wirewound	12 796 kHz	4.2 MHz	0.52 A	0.189 "	4.8 mm	125 °C	-40 C	Nonstandard	470 µH	2.25 Ohm
Bourns Inc. SDR1045-220M	20 %	Unshielded	Ferrite	0.394 in	0.394 in	10 mm	10 mm	Surface Mount	2.6 A	100 kHz	Drum Core Wirewound	22	19.4 MHz	2.2 A	0.189 "	4.8 mm	125 °C	-40 C	Nonstandard	22 µH		145 mOhm
Bourns Inc. SDR1045-4R5M	20 %	Unshielded	Ferrite	0.394 in	0.394 in	10 mm	10 mm	Surface Mount	5.2 A	100 kHz	Drum Core Wirewound	7.96 MHz 25	44.2 MHz	4.2 A	0.189 "	4.8 mm	125 °C	-40 C	Nonstandard	4.5 µH		33 mOhm
Bourns Inc. SDR1045-6R8M	20 %	Unshielded	Ferrite	0.394 in	0.394 in	10 mm	10 mm	Surface Mount	4.2 A	100 kHz	Drum Core Wirewound	7.96 MHz 22	35.8 MHz	3.5 A	0.189 "	4.8 mm	125 °C	-40 C	Nonstandard	6.8 µH		40 mOhm
Bourns Inc. SDR1045-680M	20 %	Unshielded	Ferrite	0.394 in	0.394 in	10 mm	10 mm	Surface Mount		100 kHz	Drum Core Wirewound	2.52 MHz 21	11.1 MHz	1.3 A	0.189 "	4.8 mm	125 °C	-40 C	Nonstandard	68 µH	360 mOhm
Bourns Inc. SDR1045-101K	10 %	Unshielded	Ferrite	0.394 in	0.394 in	10 mm	10 mm	Surface Mount	1.3 A	100 kHz	Drum Core Wirewound	14 796 kHz		1.1 A	0.189 "	4.8 mm	125 °C	-40 C	Nonstandard	100 µH		540 mOhm

Pricing

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

Distributor	Package	Quantity	$

Digikey	N/A	0	$ 0.49
	Tape & Reel (TR)	700	$ 0.46
Newark	Each (Supplied on Full Reel)	1	$ 0.48
		1000	$ 0.46
		2000	$ 0.42
		4000	$ 0.38
		6000	$ 0.36
		10000	$ 0.36

Description

General part information

SDR1045 Series

4.5 µH Unshielded Drum Core, Wirewound Inductor 4.2 A 33mOhm Max Nonstandard

Documents

Technical documentation and resources