SRF1280-4R7Y

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Bourns Inc.

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

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DocumentsTechnical Data Sheet EN Enhanced Product Overview EN +2

SRF1280-4R7Y

Active

Bourns Inc.

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

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DocumentsTechnical Data Sheet EN Enhanced Product Overview EN +2

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	SRF1280-4R7Y

Current Rating - Parallel	8.25 A
Current Rating - Series [custom]	4.13 A
Current Saturation - Parallel	16.5 A
Current Saturation - Series	8.24 A
DC Resistance (DCR) - Parallel	13.5 mOhm
DC Resistance (DCR) - Series [Max]	50 mOhm
Height [z]	8 mm
Height [z]	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 [x]	0.492 in
Size / Dimension [x]	12.5 mm
Size / Dimension [y]	0.492 "
Size / Dimension [y]	12.5 mm
Tolerance	30 %

SRF1280 Series

Part	Current Rating - Parallel	Operating Temperature [Max]	Operating Temperature [Min]	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [y]	DC Resistance (DCR) - Parallel	Tolerance	Inductance - Connected In Series	Height [z]	Height [z]	Current Saturation - Parallel [custom]	Current Rating - Series [custom]	Number of Coils	Inductance - Connected In Parallel	DC Resistance (DCR) - Series [Max]	Shielding	Package / Case	Mounting Type	Current Saturation - Series	DC Resistance (DCR) - Parallel [Max]	Current Saturation - Parallel	Current Rating - Series	Current Rating - Series [custom]	DC Resistance (DCR) - Series
Bourns Inc. SRF1280-8R2Y	6.32 A	125 °C	-40 °C	0.492 in	0.492 "	12.5 mm	12.5 mm	19.1 mOhm	30 %	32.8 µH	8 mm	0.315 in	12.2 A	3.16 A	2	8.2 µH	71.4 mOhm	Shielded	Nonstandard	Surface Mount	6.09 A
Bourns Inc. SRF1280-1R0Y	15.5 A	125 °C	-40 °C	0.492 in	0.492 "	12.5 mm	12.5 mm		30 %	4 µH	8 mm	0.315 in		7.74 A	2	1 µH	26 mOhm	Shielded	Nonstandard	Surface Mount	20 A	6.7 mOhm	40 A
Bourns Inc. SRF1280-100M	6.04 A	125 °C	-40 °C	0.492 in	0.492 "	12.5 mm	12.5 mm	24.1 mOhm	20 %	40 µH	8 mm	0.315 in	11.2 A		2	10 µH	92.1 mOhm	Shielded	Nonstandard	Surface Mount	5.6 A
Bourns Inc. SRF1280-101M	1.96 A	125 °C	-40 °C	0.492 in	0.492 "	12.5 mm	12.5 mm		20 %	400 µH	8 mm	0.315 in			2	100 µH	701 mOhm	Shielded	Nonstandard	Surface Mount	1.82 A	175 mOhm	3.64 A	980 mA
Bourns Inc. SRF1280-4R7Y	8.25 A	125 °C	-40 °C	0.492 in	0.492 "	12.5 mm	12.5 mm	13.5 mOhm	30 %	18.8 µH	8 mm	0.315 in		4.13 A	2	4.7 µH	50 mOhm	Shielded	Nonstandard	Surface Mount	8.24 A		16.5 A
Bourns Inc. SRF1280-821M	650 mA	125 °C	-40 °C	0.492 in	0.492 "	12.5 mm	12.5 mm	1.632 Ohm	20 %	3.28 mH	8 mm	0.315 in			2	820 µH		Shielded	Nonstandard	Surface Mount	633 mA		1.27 A		325 mA	5.896 Ohm
Bourns Inc. SRF1280-102M	610 mA	125 °C	-40 °C	0.492 in	0.492 "	12.5 mm	12.5 mm		20 %	4 mH	8 mm	0.315 in			2	1 mH		Shielded	Nonstandard	Surface Mount	571 mA	1.992 Ohm			307 mA	7.202 Ohm
Bourns Inc. SRF1280-R47Y	17.9 A	125 °C	-40 °C	0.492 in	0.492 "	12.5 mm	12.5 mm	5.5 mOhm	30 %	1.88 µH	8 mm	0.315 in	56 A	8.94 A	2	470 nH	21.6 mOhm	Shielded	Nonstandard	Surface Mount	28 A
Bourns Inc. SRF1280-220M	4 A	125 °C	-40 °C	0.492 in	0.492 "	12.5 mm	12.5 mm	50.3 mOhm	20 %	88 µH	8 mm	0.315 in			2		192 mOhm	Shielded	Nonstandard	Surface Mount	3.78 A		7.57 A	2 A

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	$ 1.76
		10	$ 1.37
		25	$ 1.24
		50	$ 1.15
		100	$ 1.06
	Digi-Reel®	1	$ 1.76
		10	$ 1.37
		25	$ 1.24
		50	$ 1.15
		100	$ 1.06
	Tape & Reel (TR)	400	$ 0.91
		800	$ 0.84
		1200	$ 0.80
		2000	$ 0.76
		2800	$ 0.74
Newark	Each (Supplied on Cut Tape)	1	$ 2.04
		10	$ 1.40
		25	$ 1.32
		50	$ 1.24
		100	$ 1.15

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

Documents

Technical documentation and resources

SRF1280-4R7Y

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SRF1280-4R7Y

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Technical Specifications

SRF1280 Series

Pricing

Description

SRF1280 Series

Documents

Technical Data Sheet EN

Enhanced Product Overview EN

Product Change Notice EN

Datasheet

SRF1280 Series