SRR1280-271K

Active

Bourns Inc.

SURFACE MOUNT POWER INDUCTOR, SRR1280 SERIES, 270 H, 10%, SHIELDED, 0.45 OHM, 1.2 A ROHS COMPLIANT: YES

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SRR1280-271K

Active

Bourns Inc.

SURFACE MOUNT POWER INDUCTOR, SRR1280 SERIES, 270 H, 10%, SHIELDED, 0.45 OHM, 1.2 A ROHS COMPLIANT: YES

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DocumentsEnhanced Product Overview EN Technical Data Sheet EN +1

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	SRR1280-271K

Current - Saturation (Isat)	1.6 A
Current Rating (Amps)	1.2 A
DC Resistance (DCR) [Max]	450 mOhm
Frequency - Self Resonant	3.1 MHz
Height - Seated (Max) [Max] [z]	8 mm
Height - Seated (Max) [Max] [z]	0.315 in
Inductance	270 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	796 kHz, 20
Shielding	Shielded
Size / Dimension [x]	0.492 in
Size / Dimension [x]	12.5 mm
Size / Dimension [y]	0.492 "
Size / Dimension [y]	12.5 mm
Tolerance	10 %
Type	Wirewound, Drum Core

SRR1280 Series

Part	Inductance Frequency - Test	Type	Current - Saturation (Isat)	Tolerance	Package / Case	Height - Seated (Max) [Max] [z]	Height - Seated (Max) [Max] [z]	Current Rating (Amps)	Operating Temperature [Max]	Operating Temperature [Min]	Inductance	DC Resistance (DCR)	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [y]	Frequency - Self Resonant	Mounting Type	Q @ Freq	Shielding	Material - Core	DC Resistance (DCR) [Max]
Bourns Inc. SRR1280-4R7Y	100 kHz	Drum Core Wirewound	8.8 A	30 %	Nonstandard	8 mm	0.315 in	8.2 A	125 °C	-40 °C	4.7 ÁH	15.5 mOhm	0.492 in	0.492 "	12.5 mm	12.5 mm	30 MHz	Surface Mount	7.96 MHz 22	Shielded	Ferrite
Bourns Inc. SRR1280-390M	100 kHz	Drum Core Wirewound	3.1 A	20 %	Nonstandard	8 mm	0.315 in	3.2 A	125 °C	-40 °C	39 µH		0.492 in	0.492 "	12.5 mm	12.5 mm	8.5 MHz	Surface Mount	2.52 MHz 24	Shielded	Ferrite	70 mOhm
Bourns Inc. SRR1280-820M	100 kHz	Drum Core Wirewound	2.2 A	20 %	Nonstandard	8 mm	0.315 in		125 °C	-40 °C	82 µH		0.492 in	0.492 "	12.5 mm	12.5 mm	5 MHz	Surface Mount	20 796 kHz	Shielded	Ferrite	130 mOhm
Bourns Inc. SRR1280-270M	100 kHz	Drum Core Wirewound	3.7 A	20 %	Nonstandard	8 mm	0.315 in	3.9 A	125 °C	-40 °C	27 µH		0.492 in	0.492 "	12.5 mm	12.5 mm	10 MHz	Surface Mount	2.52 MHz 26	Shielded	Ferrite
Bourns Inc. SRR1280-101M	100 kHz	Drum Core Wirewound	2 A	20 %	Nonstandard	8 mm	0.315 in	2.1 A	125 °C	-40 °C	100 µH		0.492 in	0.492 "	12.5 mm	12.5 mm	4.5 MHz	Surface Mount	18 796 kHz	Shielded	Ferrite	150 mOhm
Bourns Inc. SRR1280-180M	100 kHz	Drum Core Wirewound	4.6 A	20 %	Nonstandard	8 mm	0.315 in	4.8 A	125 °C	-40 °C	18 µH		0.492 in	0.492 "	12.5 mm	12.5 mm	12 MHz	Surface Mount	2.52 MHz 24	Shielded	Ferrite	35 mOhm
Bourns Inc. SRR1280-7R6Y	100 kHz	Drum Core Wirewound	6.5 A	30 %	Nonstandard	8 mm	0.315 in	5.9 A	125 °C	-40 °C	7.6 µH	20 mOhm	0.492 in	0.492 "	12.5 mm	12.5 mm	21 MHz	Surface Mount	7.96 MHz 15	Shielded	Ferrite
Bourns Inc. SRR1280-271V4K	100 kHz	Drum Core Wirewound	1.6 A	10 %	Nonstandard	8 mm	0.315 in	1.2 A	125 °C	-40 °C	270 µH		0.492 in	0.492 "	12.5 mm	12.5 mm	3.1 MHz	Surface Mount	20 796 kHz	Shielded	Ferrite	450 mOhm
Bourns Inc. SRR1280-271K	100 kHz	Drum Core Wirewound	1.6 A	10 %	Nonstandard	8 mm	0.315 in	1.2 A	125 °C	-40 °C	270 µH		0.492 in	0.492 "	12.5 mm	12.5 mm	3.1 MHz	Surface Mount	20 796 kHz	Shielded	Ferrite	450 mOhm
Bourns Inc. SRR1280-6R1Y	100 kHz	Drum Core Wirewound	7.8 A	30 %	Nonstandard	8 mm	0.315 in	6.6 A	125 °C	-40 °C	6.1 µH	18 mOhm	0.492 in	0.492 "	12.5 mm	12.5 mm	23 MHz	Surface Mount	7.96 MHz 20	Shielded	Ferrite

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	$ 1.18
		10	$ 1.00
		25	$ 0.91
		50	$ 0.85
		100	$ 0.71
	Digi-Reel®	1	$ 1.18
		10	$ 1.00
		25	$ 0.91
		50	$ 0.85
		100	$ 0.71
	Tape & Reel (TR)	400	$ 0.65
		800	$ 0.58
		1200	$ 0.56
		2800	$ 0.55
		10000	$ 0.51
Newark	Each (Supplied on Cut Tape)	1	$ 0.95
		10	$ 0.70

Description

General part information

SRR1280 Series

270 µH Shielded Drum Core, Wirewound Inductor 1.2 A 450mOhm Max Nonstandard

Documents

Technical documentation and resources

Enhanced Product Overview EN

Datasheet

Technical Data Sheet EN

Datasheet