SDR0403-1R8ML

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Bourns Inc.

POWER INDUCTOR (SMD), 1.8 ΜH, 2.91 A, UNSHIELDED, 4.4 A, SDR0403 SERIES

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SDR0403-1R8ML

Active

Bourns Inc.

POWER INDUCTOR (SMD), 1.8 ΜH, 2.91 A, UNSHIELDED, 4.4 A, SDR0403 SERIES

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Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	SDR0403-1R8ML

Current - Saturation (Isat)	4.4 A
Current Rating (Amps)	2.91 A
DC Resistance (DCR)	42 mOhm
Frequency - Self Resonant	90 MHz
Height - Seated (Max) [Max] [z]	3.5 mm
Height - Seated (Max) [Max] [z]	0.138 in
Inductance	1.8 µH
Material - Core	Ferrite
Mounting Type	Surface Mount
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 °C
Package / Case	Nonstandard
Q @ Freq	28, 7.96 MHz
Shielding	Unshielded
Size / Dimension [x]	4.5 mm
Size / Dimension [x]	0.177 in
Size / Dimension [y]	4 mm
Size / Dimension [y]	0.157 in
Tolerance	20 %
Type	Wirewound, Drum Core

SDR0403 Series

Part	Tolerance	Material - Core	DC Resistance (DCR) [Max]	Package / Case	Mounting Type	Height - Seated (Max) [Max] [z]	Height - Seated (Max) [Max] [z]	Current Rating (Amps)	Current - Saturation (Isat)	Shielding	Operating Temperature [Max]	Operating Temperature [Min]	Size / Dimension [x]	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [y]	Frequency - Self Resonant	Type	Q @ Freq [custom]	Q @ Freq [custom]	DC Resistance (DCR)	Inductance	Q @ Freq
Bourns Inc. SDR0403-121KL	10 %	Ferrite	2.2 Ohm	Nonstandard	Surface Mount	3.5 mm	0.138 in	320 mA	440 mA	Unshielded	125 °C	-40 °C	4.5 mm	0.177 in	4 mm	0.157 in	8 MHz	Drum Core Wirewound	796 kHz	50
Bourns Inc. SDR0403-471KL	10 %	Ferrite		Nonstandard	Surface Mount	3.5 mm	0.138 in	130 mA	190 mA	Unshielded	125 °C	-40 °C	4.5 mm	0.177 in	4 mm	0.157 in	3 MHz	Drum Core Wirewound	796 kHz	50
Bourns Inc. SDR0403-6R8ML	20 %	Ferrite		Nonstandard	Surface Mount	3.5 mm	0.138 in	1.41 A	2.1 A	Unshielded	125 °C	-40 °C	4.5 mm	0.177 in	4 mm	0.157 in	40 MHz	Drum Core Wirewound			120 mOhm	6.8 µH	7.96 MHz 28
Bourns Inc. SDR0403-1R8ML	20 %	Ferrite		Nonstandard	Surface Mount	3.5 mm	0.138 in	2.91 A	4.4 A	Unshielded	125 °C	-40 °C	4.5 mm	0.177 in	4 mm	0.157 in	90 MHz	Drum Core Wirewound			42 mOhm	1.8 µH	7.96 MHz 28
Bourns Inc. SDR0403-180ML	20 %	Ferrite	340 mOhm	Nonstandard	Surface Mount	3.5 mm	0.138 in	0.84 A	1.3 A	Unshielded	125 °C	-40 °C	4.5 mm	0.177 in	4 mm	0.157 in	23 MHz	Drum Core Wirewound				18 µH	2.52 MHz 25
Bourns Inc. SDR0403-100ML	20 %	Ferrite		Nonstandard	Surface Mount	3.5 mm	0.138 in	1.15 A	1.7 A	Unshielded	125 °C	-40 °C	4.5 mm	0.177 in	4 mm	0.157 in	33 MHz	Drum Core Wirewound			180 mOhm	10 µH	2.52 MHz 28
Bourns Inc. SDR0403-560KL	10 %	Ferrite	940 mOhm	Nonstandard	Surface Mount	3.5 mm	0.138 in	0.5 A	740 mA	Unshielded	125 °C	-40 °C	4.5 mm	0.177 in	4 mm	0.157 in	12 MHz	Drum Core Wirewound				56 µH	2.52 MHz 20
Bourns Inc. SDR0403-300JL	5 %	Ferrite		Nonstandard	Surface Mount	3.5 mm	0.138 in			Unshielded	125 °C	-40 °C	4.5 mm	0.177 in	4 mm	0.157 in		Drum Core Wirewound
Bourns Inc. SDR0403-150ML	20 %	Ferrite	240 mOhm	Nonstandard	Surface Mount	3.5 mm	0.138 in	920 mA	1.4 A	Unshielded	125 °C	-40 °C	4.5 mm	0.177 in	4 mm	0.157 in	28 MHz	Drum Core Wirewound				15 µH	2.52 MHz 28
Bourns Inc. SDR0403-470KL	10 %	Ferrite	840 mOhm	Nonstandard	Surface Mount	3.5 mm	0.138 in	0.54 A	780 mA	Unshielded	125 °C	-40 °C	4.5 mm	0.177 in	4 mm	0.157 in	13 MHz	Drum Core Wirewound				47 µH	2.52 MHz 20

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	$ 0.54
		10	$ 0.46
		25	$ 0.42
		50	$ 0.39
		100	$ 0.34
		250	$ 0.32
		500	$ 0.28
		1000	$ 0.25
	Digi-Reel®	1	$ 0.54
		10	$ 0.46
		25	$ 0.42
		50	$ 0.39
		100	$ 0.34
		250	$ 0.32
		500	$ 0.28
		1000	$ 0.25
	Tape & Reel (TR)	2000	$ 0.25
		4000	$ 0.24
		6000	$ 0.23
		10000	$ 0.22
Newark	Each (Supplied on Full Reel)	1	$ 0.27
		5000	$ 0.26
		10000	$ 0.24
		20000	$ 0.23
		30000	$ 0.21
		50000	$ 0.20

Description

General part information

SDR0403 Series

1.8 µH Unshielded Drum Core, Wirewound Inductor 2.91 A 42mOhm Max Nonstandard

Documents

Technical documentation and resources

Enhanced Product Overview EN

Datasheet