SRF1280-4R7Y

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Bourns Inc.

DUAL-WINDING POWER INDUCTOR, 4.7UH/8.25A ROHS COMPLIANT: YES

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SRF1280-4R7Y

Active

Bourns Inc.

DUAL-WINDING POWER INDUCTOR, 4.7UH/8.25A ROHS COMPLIANT: YES

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Description Specifications Series Pricing CAD Documents

Description

General part information

SRF1280 Series

Shielded 2 Coil Inductor Array 18.8 µH Inductance - Connected in Series 4.7 µH Inductance - Connected in Parallel 13.5mOhm Max DC Resistance (DCR) - Parallel 8.25 A Nonstandard

Technical Specifications

Parameters and characteristics for this part

Specification	SRF1280-4R7Y

Current Rating - Parallel	8.25 A
Current Rating - Series	4.13 A
Current Saturation - Parallel	16.5 A
Current Saturation - Series	8.24 A
DC Resistance (DCR) - Parallel (Max)	13.5 mOhm
DC Resistance (DCR) - Series (Max)	50 mOhm
Height	0.315 in
Inductance - Connected In Parallel	4.7 µH
Inductance - Connected In Series	18.8 µH
Mounting Type	Surface Mount
Number of Coils	2
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Package / Case	Nonstandard
Shielding	Shielded
Size / Dimension Length	0.492 in
Size / Dimension Width	0.492 in
Tolerance	30 %

SRF1280 Series

Part	Shielding	Tolerance	Current Rating - Parallel	Package / Case	Number of Coils	Inductance - Connected In Series	Mounting Type	Height	Operating Temperature (Max)	Operating Temperature (Min)	Inductance - Connected In Parallel	Current Rating - Series	Size / Dimension Width	Size / Dimension Length	Current Saturation - Parallel	Current Saturation - Series	DC Resistance (DCR) - Parallel (Max)	DC Resistance (DCR) - Series (Max)
Bourns Inc. SRF1280-8R2Y	Shielded	30 %	6.32 A	Nonstandard	2	32.8 µH	Surface Mount	0.315 in	125 °C	-40 °C	8.2 µH	3.16 A	0.492 in	0.492 in	12.2 A	6.09 A	19.1 mOhm	71.4 mOhm
Bourns Inc. SRF1280-3R3Y	Shielded	30 %	10.4 A	Nonstandard	2	13.2 µH	Surface Mount	0.315 in	125 °C	-40 °C	3.3 µH	5.23 A	0.492 in	0.492 in	21.5 A	10.8 A	11 mOhm	40 mOhm
Bourns Inc. SRF1280-6R8Y	Shielded	30 %	7.34 A	Nonstandard	2	27.2 µH	Surface Mount	0.315 in	125 °C	-40 °C	6.8 µH	3.67 A	0.492 in	0.492 in	13.3 A	6.67 A	18.3 mOhm	65.6 mOhm
Bourns Inc. SRF1280-680M	Shielded	20 %	2.44 A	Nonstandard	2	272 µH	Surface Mount	0.315 in	125 °C	-40 °C	68 µH	1.22 A	0.492 in	0.492 in	4.44 A	2.22 A	123 mOhm	469 mOhm
Bourns Inc. SRF1280-1R0Y	Shielded	30 %	15.5 A	Nonstandard	2	4 µH	Surface Mount	0.315 in	125 °C	-40 °C	1 µH	7.74 A	0.492 in	0.492 in	40 A	20 A	6.7 mOhm	26 mOhm
Bourns Inc. SRF1280-330M	Shielded	20 %	3.23 A	Nonstandard	2	132 µH	Surface Mount	0.315 in	125 °C	-40 °C	33 µH	1.61 A	0.492 in	0.492 in	6.22 A	3.11 A	66.4 mOhm	265 mOhm
Bourns Inc. SRF1280-100M	Shielded	20 %	6.04 A	Nonstandard	2	40 µH	Surface Mount	0.315 in	125 °C	-40 °C	10 µH	3.02 A	0.492 in	0.492 in	11.2 A	5.6 A	24.1 mOhm	92.1 mOhm
Bourns Inc. SRF1280-101M	Shielded	20 %	1.96 A	Nonstandard	2	400 µH	Surface Mount	0.315 in	125 °C	-40 °C	100 µH	980 mA	0.492 in	0.492 in	3.64 A	1.82 A	175 mOhm	701 mOhm
Bourns Inc. SRF1280-4R7Y	Shielded	30 %	8.25 A	Nonstandard	2	18.8 µH	Surface Mount	0.315 in	125 °C	-40 °C	4.7 µH	4.13 A	0.492 in	0.492 in	16.5 A	8.24 A	13.5 mOhm	50 mOhm
Bourns Inc. SRF1280-821M	Shielded	20 %	0.65 A	Nonstandard	2	3.28 mH	Surface Mount	0.315 in	125 °C	-40 °C	820 µH	325 mA	0.492 in	0.492 in	1.27 A	633 mA	1.632 Ohm	5.896 Ohm

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

Product Change Notice EN

Datasheet

Enhanced Product Overview EN

SRF1280-4R7Y | Datasheet