HWI34H Series High Current Helical Edge Wound (HEW) Flat Wire Inductor On MPS Industries, Inc.

High Current HEW™ Inductor in low-profile compact form
Inductance Range: 4.7 µH to 29 µH
Very low DCR
True 45-55 Amp handling capability on the wire (refer to Isat characteristic when doing your design to see which is more critical)
Core Material: Powdered cores with distributed air gap for soft saturation
Terminations: RoHS compliant, typically SAC305 or equivalent

HWI34H High Current Helical Edge Wound HEW Flat Wire Inductor

Item #	Inductance (±15%)	Nominal Direct Current (DC) Resistance	Maximum Direct Current (DC) Resistance	Isat (Typ) 10% drop	Isat (Typ) 20% drop	Isat (Typ) 30% drop	Irms (Typ) 20ºC rise	Irms (Typ) 40ºC rise	SRF (Typ)	Typical Capacitance
HWI3422-055A-110H	N/A 11 µH	N/A 1.50 mOhm	N/A 1.90 mOhm	N/A 39 A	N/A 57 A	N/A 75 A	N/A 36 A	N/A 55 A	N/A 23.0 MHz	N/A 4.3 pF
HWI3422-055A-7R3H	N/A 7.3 µH	N/A 1.50 mOhm	N/A 1.90 mOhm	N/A 71 A	N/A 101 A	N/A 126 A	N/A 36 A	N/A 55 A	N/A 26.0 MHz	N/A 5.1 pF
HWI3422-055A-4R7H	N/A 4.7 µH	N/A 1.50 mOhm	N/A 1.90 mOhm	N/A >120 A	N/A >150 A	N/A >180 A	N/A 36 A	N/A 55 A	N/A 36.0 MHz	N/A 4.0 pF
HWI3428-047A-200H	N/A 20.0 µH	N/A 2.10 mOhm	N/A 2.60 mOhm	N/A 30 A	N/A 42 A	N/A 52 A	N/A 31 A	N/A 47 A	N/A 18.0 MHz	N/A 3.0 pF
HWI3428-047A-130H	N/A 13 µH	N/A 2.10 mOhm	N/A 2.60 mOhm	N/A 58 A	N/A 78 A	N/A 100 A	N/A 31 A	N/A 47 A	N/A 25.0 MHz	N/A 3.1 pF
HWI3428-047A-8R8H	N/A 8.8 µH	N/A 2.10 mOhm	N/A 2.60 mOhm	N/A >86 A	N/A >120 A	N/A >160 A	N/A 31 A	N/A 47 A	N/A 35.0 MHz	N/A 2.4 pF
HWI3428-047A-240H	N/A 24 µH	N/A 2.20 mOhm	N/A 2.80 mOhm	N/A 29 A	N/A 42 A	N/A 52 A	N/A 31 A	N/A 47 A	N/A 14.0 MHz	N/A 5.4 pF
HWI3428-047A-160H	N/A 16 µH	N/A 2.20 mOhm	N/A 2.80 mOhm	N/A 48 A	N/A >60 A	N/A >82 A	N/A 31 A	N/A 47 A	N/A 22.0 MHz	N/A 3.3 pF
HWI3428-047A-100H	N/A 10 µH	N/A 2.20 mOhm	N/A 2.80 mOhm	N/A >86 A	N/A >120 A	N/A >160 A	N/A 31 A	N/A 47 A	N/A 25.0 MHz	N/A 4.1 pF
HWI3432-045A-290H	N/A 29 µH	N/A 2.60 mOhm	N/A 3.4 mOhm	N/A 26 A	N/A 38 A	N/A 48 A	N/A 30 A	N/A 45 A	N/A 16.0 MHz	N/A 3.9 pF
HWI3432-045A-190H	N/A 19 µH	N/A 2.60 mOhm	N/A 3.4 mOhm	N/A 48 A	N/A 69 A	N/A 86 A	N/A 30 A	N/A 45 A	N/A 17.0 MHz	N/A 4.6 pF
HWI3432-045A-120H	N/A 12 µH	N/A 2.60 mOhm	N/A 3.4 mOhm	N/A 86 A	N/A >120 A	N/A >160 A	N/A 30 A	N/A 45 A	N/A 25.0 MHz	N/A 3.4 pF

Item #

Inductance (±15%)

Nominal Direct Current (DC) Resistance

Maximum Direct Current (DC) Resistance

Isat (Typ) 10% drop

Isat (Typ) 20% drop

Isat (Typ) 30% drop

Irms (Typ) 20ºC rise

Irms (Typ) 40ºC rise

SRF (Typ)

Typical Capacitance

HWI3422-055A-110H

N/A 11 µH

N/A 1.50 mOhm

N/A 1.90 mOhm

N/A 39 A

N/A 57 A

N/A 75 A

N/A 36 A

N/A 55 A

N/A 23.0 MHz

N/A 4.3 pF

HWI3422-055A-7R3H

N/A 7.3 µH

N/A 1.50 mOhm

N/A 1.90 mOhm

N/A 71 A

N/A 101 A

N/A 126 A

N/A 36 A

N/A 55 A

N/A 26.0 MHz

N/A 5.1 pF

HWI3422-055A-4R7H

N/A 4.7 µH

N/A 1.50 mOhm

N/A 1.90 mOhm

N/A >120 A

N/A >150 A

N/A >180 A

N/A 36 A

N/A 55 A

N/A 36.0 MHz

N/A 4.0 pF

HWI3428-047A-200H

N/A 20.0 µH

N/A 2.10 mOhm

N/A 2.60 mOhm

N/A 30 A

N/A 42 A

N/A 52 A

N/A 31 A

N/A 47 A

N/A 18.0 MHz

N/A 3.0 pF

HWI3428-047A-130H

N/A 13 µH

N/A 2.10 mOhm

N/A 2.60 mOhm

N/A 58 A

N/A 78 A

N/A 100 A

N/A 31 A

N/A 47 A

N/A 25.0 MHz

N/A 3.1 pF

HWI3428-047A-8R8H

N/A 8.8 µH

N/A 2.10 mOhm

N/A 2.60 mOhm

N/A >86 A

N/A >120 A

N/A >160 A

N/A 31 A

N/A 47 A

N/A 35.0 MHz

N/A 2.4 pF

HWI3428-047A-240H

N/A 24 µH

N/A 2.20 mOhm

N/A 2.80 mOhm

N/A 29 A

N/A 42 A

N/A 52 A

N/A 31 A

N/A 47 A

N/A 14.0 MHz

N/A 5.4 pF

HWI3428-047A-160H

N/A 16 µH

N/A 2.20 mOhm

N/A 2.80 mOhm

N/A 48 A

N/A >60 A

N/A >82 A

N/A 31 A

N/A 47 A

N/A 22.0 MHz

N/A 3.3 pF

HWI3428-047A-100H

N/A 10 µH

N/A 2.20 mOhm

N/A 2.80 mOhm

N/A >86 A

N/A >120 A

N/A >160 A

N/A 31 A

N/A 47 A

N/A 25.0 MHz

N/A 4.1 pF

HWI3432-045A-290H

N/A 29 µH

N/A 2.60 mOhm

N/A 3.4 mOhm

N/A 26 A

N/A 38 A

N/A 48 A

N/A 30 A

N/A 45 A

N/A 16.0 MHz

N/A 3.9 pF

HWI3432-045A-190H

N/A 19 µH

N/A 2.60 mOhm

N/A 3.4 mOhm

N/A 48 A

N/A 69 A

N/A 86 A

N/A 30 A

N/A 45 A

N/A 17.0 MHz

N/A 4.6 pF

HWI3432-045A-120H

N/A 12 µH

N/A 2.60 mOhm

N/A 3.4 mOhm

N/A 86 A

N/A >120 A

N/A >160 A

N/A 30 A

N/A 45 A

N/A 25.0 MHz

N/A 3.4 pF