Specification	SRR4028-270Y

Current - Saturation (Isat)	0.6 A
Current Rating (Amps)	0.89 A
DC Resistance (DCR)	200 mOhm
Frequency - Self Resonant	18 MHz
Height - Seated (Max) [Max] [z]	0.118 "
Height - Seated (Max) [Max] [z]	3 mm
Inductance	27 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	1919 (4848 Metric)
Q @ Freq	2.52 MHz, 10.76
Shielding	Shielded
Size / Dimension [x]	4.8 mm
Size / Dimension [x]	0.189 "
Size / Dimension [y]	4.8 mm
Size / Dimension [y]	0.189 in
Tolerance	30 %
Type	Drum Core, Wirewound

SRR4028 Series

Part	Mounting Type	Frequency - Self Resonant	Tolerance	Inductance Frequency - Test	Material - Core	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [x]	Operating Temperature [Max]	Operating Temperature [Min]	Package / Case	Current - Saturation (Isat)	Shielding	Type	Q @ Freq	DC Resistance (DCR) [Max]	Current Rating (Amps)	Height - Seated (Max) [Max] [z]	Height - Seated (Max) [Max] [z]	Inductance	Q @ Freq [custom]	Q @ Freq [custom]	DC Resistance (DCR)
Bourns Inc. SRR4028-120Y	Surface Mount	25 MHz	30 %	100 kHz	Ferrite	4.8 mm	4.8 mm	0.189 in	0.189 "	125 °C	-40 C	1919 (4848 Metric)	850 mA	Shielded	Drum Core Wirewound	2.52 MHz 11.26	125 mOhm	1.12 A	0.118 "	3 mm	12 µH
Bourns Inc. SRR4028-181Y	Surface Mount	7 MHz	30 %	100 kHz	Ferrite	4.8 mm	4.8 mm	0.189 in	0.189 "	125 °C	-40 C	1919 (4848 Metric)		Shielded	Drum Core Wirewound		1 Ohm	390 mA	0.118 "	3 mm	180 µH	13.86	796 kHz
Bourns Inc. SRR4028-680Y	Surface Mount	11 MHz	30 %	100 kHz	Ferrite	4.8 mm	4.8 mm	0.189 in	0.189 "	125 °C	-40 C	1919 (4848 Metric)	360 mA	Shielded	Drum Core Wirewound	2.52 MHz 8.42	400 mOhm	0.63 A	0.118 "	3 mm	68 µH
Bourns Inc. SRR4028-152Y	Surface Mount				Ferrite	4.8 mm	4.8 mm	0.189 in	0.189 "	125 °C	-40 C	1919 (4848 Metric)		Shielded	Drum Core Wirewound				0.118 "	3 mm
Bourns Inc. SRR4028-3R3Y	Surface Mount	76 MHz	30 %	100 kHz	Ferrite	4.8 mm	4.8 mm	0.189 in	0.189 "	125 °C	-40 C	1919 (4848 Metric)	1.65 A	Shielded	Drum Core Wirewound		35 mOhm	2.15 A	0.118 "	3 mm	3.3 µH
Bourns Inc. SRR4028-2R2Y	Surface Mount	111 MHz	30 %	100 kHz	Ferrite	4.8 mm	4.8 mm	0.189 in	0.189 "	125 °C	-40 C	1919 (4848 Metric)	2.05 A	Shielded	Drum Core Wirewound	7.96 MHz 9.24		2.5 A	0.118 "	3 mm	2.2 µH			28 mOhm
Bourns Inc. SRR4028-470Y	Surface Mount	13 MHz	30 %	100 kHz	Ferrite	4.8 mm	4.8 mm	0.189 in	0.189 "	125 °C	-40 C	1919 (4848 Metric)	480 mA	Shielded	Drum Core Wirewound		280 mOhm	750 mA	0.118 "	3 mm	47 µH	10.88	2.52 MHz
Bourns Inc. SRR4028-390Y	Surface Mount	14 MHz	30 %	100 kHz	Ferrite	4.8 mm	4.8 mm	0.189 in	0.189 "	125 °C	-40 C	1919 (4848 Metric)	500 mA	Shielded	Drum Core Wirewound	2.52 MHz 9.74	250 mOhm	800 mA	0.118 "	3 mm	39 µH
Bourns Inc. SRR4028-6R8Y	Surface Mount	77 MHz	30 %	100 kHz	Ferrite	4.8 mm	4.8 mm	0.189 in	0.189 "	125 °C	-40 C	1919 (4848 Metric)	1.15 A	Shielded	Drum Core Wirewound	7.96 MHz 9.624	90 mOhm	1.3 A	0.118 "	3 mm	6.8 µH
Bourns Inc. SRR4028-270Y	Surface Mount	18 MHz	30 %	100 kHz	Ferrite	4.8 mm	4.8 mm	0.189 in	0.189 "	125 °C	-40 C	1919 (4848 Metric)	0.6 A	Shielded	Drum Core Wirewound	2.52 MHz 10.76		0.89 A	0.118 "	3 mm	27 µH			200 mOhm

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	$ 0.79
		10	$ 0.68
		25	$ 0.62
		50	$ 0.57
		100	$ 0.50
		250	$ 0.47
	Digi-Reel®	1	$ 0.79
		10	$ 0.68
		25	$ 0.62
		50	$ 0.57
		100	$ 0.50
		250	$ 0.47
	N/A	727	$ 0.63
	Tape & Reel (TR)	500	$ 0.41
		1000	$ 0.36
		2500	$ 0.35
		5000	$ 0.34
		12500	$ 0.33
		25000	$ 0.32
Newark	Each (Supplied on Cut Tape)	25	$ 0.43

Description

General part information

SRR4028 Series

27 µH Shielded Drum Core, Wirewound Inductor 890 mA 200mOhm Max 1919 (4848 Metric)

Documents

Technical documentation and resources

Technical Data Sheet EN

Datasheet

Product Change Notice EN

Datasheet