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We offer a wide range of semishielded, shielded, unshielded and wirewound SMD power inductors from multiple manufacturers.

An SMD Inductor, or Surface Mount Device Inductor, has no wire leads on its ends. This type of inductor is mounted directly to the surface of a circuit board via a metal pad on each end of the device.

An SMD inductor commonly comprises a small coil shaped much like a spring, made of an electrically conductive wire. Some SMD inductors have a core of some type at the centre of the coil. Depending on the material chosen to serve as a core, often ferrite based, and the size and density of the core itself, the operational properties of the coil can be altered to fit specific needs.

How to choose a suitable device

As SMD power inductors are typically used for switching power supplies in portable applications like mobile phones, choosing a suitable device depends above all on its size. Circuit board space is at a premium, especially as ever more functionality, and an associated increase in current, is added to the phone.

Other key criteria include the device’s inductance value at the power supply switching frequency, its coil DC resistance, the additional saturation current, the additional RMS current, the equivalent series impedance (ESR) and the Q factor. The choice of shielded or unshielded inductor type is also important, and depends on the application.

Since chip inductor manufacturers rarely provide ESR and Q factor information, designers should ask them for it. The relationship between the inductance and the current given by the manufacturer is often limited to 25°C, so the relevant data within the desired operating temperature range should be obtained. The worst case is generally 85°C.

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Manufacturer Part No	Newark Part No.	Description / Manufacturer	Price for:	Price	Quantity	Inductance	RMS Current (Irms)	Inductor Construction	Saturation Current (Isat)	Product Range	Power Inductor Case	DC Resistance Max	Inductance Tolerance	Product Length	Product Width	Product Height
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78404054010	47AK7532 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 1UH, 5.7A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	1µH	5.7A	Semishielded	7.4A	WE-LQSA Series	5mm x 5mm x 4mm	0.014ohm	± 30%	5mm	5mm	4mm
78404054015	47AK7533 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 1.5UH, 5.22A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	1.5µH	5.22A	Semishielded	6A	WE-LQSA Series	5mm x 5mm x 4mm	0.018ohm	± 20%	5mm	5mm	4mm
78404054068	47AK7537 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 6.8UH, 3.01A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.70 10+ $1.61 25+ $1.47 50+ $1.34 100+ $1.22 250+ $1.04 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	6.8µH	3.01A	Semishielded	3.2A	WE-LQSA Series	5mm x 5mm x 4mm	0.052ohm	± 20%	5mm	5mm	4mm
78404054101	47AK7539 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 100UH, 0.82A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	100µH	820mA	Semishielded	820mA	WE-LQSA Series	5mm x 5mm x 4mm	0.72ohm	± 20%	5mm	5mm	4mm
78404054470	47AK7541 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 47UH, 1.19A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	47µH	1.19A	Semishielded	1.2A	WE-LQSA Series	5mm x 5mm x 4mm	0.348ohm	± 20%	5mm	5mm	4mm

78404064150	47AK7551 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 15UH, 2.4A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	15µH	2.4A	Semishielded	3A	WE-LQSA Series	6mm x 6mm x 4.6mm	0.088ohm	± 20%	6mm	6mm	4.6mm

78404064470	47AK7554 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 47UH, 1.4A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	47µH	1.4A	Semishielded	1.6A	WE-LQSA Series	6mm x 6mm x 4.6mm	0.252ohm	± 20%	6mm	6mm	4.6mm

78404064330	47AK7553 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 33UH, 1.7A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	33µH	1.7A	Semishielded	2A	WE-LQSA Series	6mm x 6mm x 4.6mm	0.168ohm	± 20%	6mm	6mm	4.6mm

78404064101	47AK7550 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 100UH, 0.9A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	100µH	900mA	Semishielded	1.2A	WE-LQSA Series	6mm x 6mm x 4.6mm	0.532ohm	± 20%	6mm	6mm	4.6mm

78404064068	47AK7548 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 6.8UH, 3.3A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	6.8µH	3.3A	Semishielded	4.3A	WE-LQSA Series	6mm x 6mm x 4.6mm	0.042ohm	± 20%	6mm	6mm	4.6mm

78404084470	47AK7558 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 47UH, 2.23A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.72 10+ $1.58 25+ $1.51 50+ $1.43 100+ $1.31	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	47µH	2.23A	Semishielded	2.18A	WE-LQSA Series	8mm x 8mm x 4.2mm	0.168ohm	± 20%	8mm	8mm	4.2mm

78404084150	47AK7556 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 15UH, 3.75A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.72 10+ $1.58 25+ $1.51 50+ $1.43 100+ $1.31	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	15µH	3.75A	Semishielded	3.9A	WE-LQSA Series	8mm x 8mm x 4.2mm	0.06ohm	± 20%	8mm	8mm	4.2mm

78404064010	47AK7543 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 1UH, 6.7A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	1µH	6.7A	Semishielded	11.5A	WE-LQSA Series	6mm x 6mm x 4.6mm	0.011ohm	± 30%	6mm	6mm	4.6mm

78404064022	47AK7545 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 2.2UH, 5.3A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	2.2µH	5.3A	Semishielded	8.1A	WE-LQSA Series	6mm x 6mm x 4.6mm	0.017ohm	± 20%	6mm	6mm	4.6mm

78404054680	47AK7542 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 68UH, 0.97A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	68µH	970mA	Semishielded	990mA	WE-LQSA Series	5mm x 5mm x 4mm	0.516ohm	± 20%	5mm	5mm	4mm

78404054022	47AK7534 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 2.2UH, 4.54A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	2.2µH	4.54A	Semishielded	5.3A	WE-LQSA Series	5mm x 5mm x 4mm	0.023ohm	± 20%	5mm	5mm	4mm

78404054100	47AK7538 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 10UH, 2.45A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	10µH	2.45A	Semishielded	2.5A	WE-LQSA Series	5mm x 5mm x 4mm	0.082ohm	± 20%	5mm	5mm	4mm

78404064015	47AK7544 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 1.5UH, 6.1A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	1.5µH	6.1A	Semishielded	9.7A	WE-LQSA Series	6mm x 6mm x 4.6mm	0.013ohm	± 20%	6mm	6mm	4.6mm

78404064047	47AK7547 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 4.7UH, 3.7A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	4.7µH	3.7A	Semishielded	5.5A	WE-LQSA Series	6mm x 6mm x 4.6mm	0.034ohm	± 20%	6mm	6mm	4.6mm

78404064680	47AK7555 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 68UH, 1.1A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	68µH	1.1A	Semishielded	1.4A	WE-LQSA Series	6mm x 6mm x 4.6mm	0.367ohm	± 20%	6mm	6mm	4.6mm

78404054150	47AK7540 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 15UH, 2.01A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	15µH	2.01A	Semishielded	2.2A	WE-LQSA Series	5mm x 5mm x 4mm	0.108ohm	± 20%	5mm	5mm	4mm

78404084220	47AK7557 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 22UH, 3.2A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.72 10+ $1.58 25+ $1.51 50+ $1.43 100+ $1.31	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	22µH	3.2A	Semishielded	3.2A	WE-LQSA Series	8mm x 8mm x 4.2mm	0.085ohm	± 20%	8mm	8mm	4.2mm

78404084680	47AK7559 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 68UH, 1.8A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.72 10+ $1.58 25+ $1.51 50+ $1.43 100+ $1.31	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	68µH	1.8A	Semishielded	1.82A	WE-LQSA Series	8mm x 8mm x 4.2mm	0.245ohm	± 20%	8mm	8mm	4.2mm

78404054047	47AK7536 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 4.7UH, 3.64A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	4.7µH	3.64A	Semishielded	3.8A	WE-LQSA Series	5mm x 5mm x 4mm	0.036ohm	± 20%	5mm	5mm	4mm

78404064220	47AK7552 Data Sheet + RoHS Date/Lot Code	POWER INDUCTOR, SMD, 22UH, 1.9A ROHS COMPLIANT: YES WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.54 10+ $1.41 25+ $1.35 50+ $1.28 100+ $1.17	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	22µH	1.9A	Semishielded	2.5A	WE-LQSA Series	6mm x 6mm x 4.6mm	0.12ohm	± 20%	6mm	6mm	4.6mm

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