MPS Industries, Inc.
  • HWI34H High Current Helical Edge Wound HEW Flat Wire Inductor
  • 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
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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

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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
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
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-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
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
HWI3432-045A-120H N/A 12 µH N/A 2.60 mOhm N/A 3.40 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
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-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
HWI3432-045A-190H N/A 19 µH N/A 2.60 mOhm N/A 3.40 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
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-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
HWI3432-045A-290H N/A 29 µH N/A 2.60 mOhm N/A 3.40 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
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