Inductors, Coils, Chokes

SRR4028-120Y

Active

Bourns Inc.

INDUCTOR POWER SHIELDED WIREWOUND 12UH 30% 100KHZ 11.26Q-FACTOR FERRITE 1.12A 0.125OHM DCR T/R

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Inductors, Coils, Chokes

SRR4028-120Y

Active

Bourns Inc.

INDUCTOR POWER SHIELDED WIREWOUND 12UH 30% 100KHZ 11.26Q-FACTOR FERRITE 1.12A 0.125OHM DCR T/R

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	SRR4028-120Y

Current - Saturation (Isat)	850 mA
Current Rating (Amps)	1.12 A
DC Resistance (DCR) [Max]	125 mOhm
Frequency - Self Resonant	25 MHz
Height - Seated (Max) [Max] [z]	0.118 "
Height - Seated (Max) [Max] [z]	3 mm
Inductance	12 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	11.26, 2.52 MHz
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	$ 0.56
		10	$ 0.48
		25	$ 0.44
		50	$ 0.40
		100	$ 0.35
		250	$ 0.33
	Digi-Reel®	1	$ 0.56
		10	$ 0.48
		25	$ 0.44
		50	$ 0.40
		100	$ 0.35
		250	$ 0.33
	N/A	1500	$ 0.63
	Tape & Reel (TR)	500	$ 0.29
		1000	$ 0.28
Newark	Each (Supplied on Cut Tape)	1	$ 0.66
		10	$ 0.49
		25	$ 0.45
		50	$ 0.41
		100	$ 0.39

Description

General part information

SRR4028 Series

12 µH Shielded Drum Core, Wirewound Inductor 1.12 A 125mOhm Max 1919 (4848 Metric)

Documents

Technical documentation and resources

Enhanced Product Overview EN

Datasheet