Inductors, Coils, Chokes

SRR1280-271V4K

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Bourns Inc.

FIXED IND 270UH 1.2A 450MOHM SMD

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Inductors, Coils, Chokes

SRR1280-271V4K

Active

Bourns Inc.

FIXED IND 270UH 1.2A 450MOHM SMD

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Technical Specifications

Parameters and characteristics for this part

Specification	SRR1280-271V4K

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

SRR1280 Series

Part	Q @ Freq	Tolerance	Mounting Type	Current Rating (Amps)	Height - Seated (Max) [Max]	Height - Seated (Max) [Max]	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [y]	Size / Dimension [x]	Frequency - Self Resonant	Operating Temperature [Max]	Operating Temperature [Min]	Material - Core	Package / Case	Shielding	Inductance	DC Resistance (DCR) [Max]	Current - Saturation (Isat)	Inductance Frequency - Test	Type	Q @ Freq [custom]	Q @ Freq [custom]	DC Resistance (DCR)	Q @ Freq [custom]
Bourns Inc. SRR1280-4R7Y	7.96 MHz 22	30 %	Surface Mount	8.2 A	8 mm	0.315 in	12.5 mm	0.492 "	12.5 mm	0.492 "	30 MHz	125 °C	-40 C	Ferrite	Nonstandard	Shielded	4.7 ÁH	15.5 mOhm	8.8 A	100 kHz	Drum Core Wirewound
Bourns Inc. SRR1280-390M		20 %	Surface Mount	3.2 A	8 mm	0.315 in	12.5 mm	0.492 "	12.5 mm	0.492 "	8.5 MHz	125 °C	-40 C	Ferrite	Nonstandard	Shielded	39 µH		3.1 A	100 kHz	Drum Core Wirewound	2.52 MHz	24	70 mOhm
Bourns Inc. SRR1280-820M		20 %	Surface Mount	2.3 A	8 mm	0.315 in	12.5 mm	0.492 "	12.5 mm	0.492 "	5 MHz	125 °C	-40 C	Ferrite	Nonstandard	Shielded	82 µH		2.2 A	100 kHz	Drum Core Wirewound		20	130 mOhm	796 kHz
Bourns Inc. SRR1280-270M	2.52 MHz 26	20 %	Surface Mount	3.9 A	8 mm	0.315 in	12.5 mm	0.492 "	12.5 mm	0.492 "	10 MHz	125 °C	-40 C	Ferrite	Nonstandard	Shielded	27 µH		3.7 A	100 kHz	Drum Core Wirewound
Bourns Inc. SRR1280-101M	18 796 kHz	20 %	Surface Mount	2.1 A	8 mm	0.315 in	12.5 mm	0.492 "	12.5 mm	0.492 "	4.5 MHz	125 °C	-40 C	Ferrite	Nonstandard	Shielded	100 µH		2 A	100 kHz	Drum Core Wirewound			150 mOhm
Bourns Inc. SRR1280-2R4Y		30 %	Surface Mount	9.2 A	8 mm	0.315 in	12.5 mm	0.492 "	12.5 mm	0.492 "	45 MHz	125 °C	-40 C	Ferrite	Nonstandard	Shielded	2.4 µH	10 mOhm	10.5 A	100 kHz	Drum Core Wirewound	7.96 MHz	20
Bourns Inc. SRR1280-180M		20 %	Surface Mount	4.8 A	8 mm	0.315 in	12.5 mm	0.492 "	12.5 mm	0.492 "	12 MHz	125 °C	-40 C	Ferrite	Nonstandard	Shielded	18 µH	35 mOhm	4.6 A	100 kHz	Drum Core Wirewound	2.52 MHz	24
Bourns Inc. SRR1280-151Y		30 %	Surface Mount	1.85 A	8 mm	0.315 in	12.5 mm	0.492 "	12.5 mm	0.492 "	4.1 MHz	125 °C	-40 C	Ferrite	Nonstandard	Shielded	150 µH	270 mOhm	1.9 A	100 kHz	Drum Core Wirewound	796 kHz	24
Bourns Inc. SRR1280-7R6Y	7.96 MHz 15	30 %	Surface Mount	5.9 A	8 mm	0.315 in	12.5 mm	0.492 "	12.5 mm	0.492 "	21 MHz	125 °C	-40 C	Ferrite	Nonstandard	Shielded	7.6 µH	20 mOhm	6.5 A	100 kHz	Drum Core Wirewound
Bourns Inc. SRR1280-271V4K		10 %	Surface Mount	1.2 A	8 mm	0.315 in	12.5 mm	0.492 "	12.5 mm	0.492 "	3.1 MHz	125 °C	-40 C	Ferrite	Nonstandard	Shielded	270 µH		1.6 A	100 kHz	Drum Core Wirewound		20	450 mOhm	796 kHz

Pricing

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

Distributor	Package	Quantity	$

Description

General part information

SRR1280 Series

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

Documents

Technical documentation and resources

Datasheet

SRR1280 Series

Datasheet