Rev B Description Released for Production ELECTRICAL SPECIFICATIONS @ 25°C L: Isat: Irms: DCR: Hipot: Insulation Class: RoHS Compliant: SCHEMATIC By MIG Date 17-Mar-16 DIMENSIONS Recommended PCB Layout 1.4μH±15% @ 10kHz, 1Vrms ΔL ≤ 10% @349A ΔL ≤ 30% @685A ΔT ≤ 20ºC @ 80A ΔT ≤ 40ºC @122A 0.4mΩ Max 500Vdc, 1mA, 5s, wdg to core Class H 180ºC Yes 45.0 Max [1.77] 45.0 Max [1.77] 40.0 Max [1.58] MPS HWIA4427-122A-1R4H Date Code 35.0 Ref [1.38] Dummy Pin for Mounting Only Do not connect to ground or other electrical circuits 1.20 [0.047] C L 8.00 [0.315] 20.00 Ref [0.787] 3.5 Ref [0.14] 40.0 Max [1.58] C L 25.00 Typ [0.984] 42.5 Typ [1.67] 8.5 Ref [0.34] 27.00 Max [1.06] 0.50 Ref [0.020] MARKING 7.42 Ref [0.292] MPS HWIA4427-122A-1R4H Date Code 25.00 Typ [0.984] 42.5 Ref [1.67] 6.35 Ref [0.250] 2.45 Ref [0.096] 20.00 Ref [0.787] 7.20 [0.283] Dimensions: mm/[inch] MPS INDUSTRIES, INC. Notice of Proprietary Property These drawings and specifications are the property of MPS and shall not be, Description reproduced, copied or used as the basis of manufacture of sale of apparatus without express written authorization Dimensions DRAWN BY: MIG 17-Mar-16 SIZE Part Number Unless otherwise specified CHECKED BY: KC 18-Mar-16 .XX ± 0.254mm [.010"] .XXX ± 0,13mm [.005''] A www.mpsind.com Tel: (310) 325-1043 Fax: (310) 325-1044 Helical Wound Inductor HWIA4427-122A-1R4H WEIGHT: 190 gms SHEET: REV 1 OF 2 B Rev B Released for Production Description By MIG Date 17-Mar-16 DC Bias Data: MPS INDUSTRIES, INC. Notice of Proprietary Property These drawings and specifications are the property of MPS and shall not be, reproduced, copied or used as the basis of manufacture of sale of apparatus without express written authorization Dimensions DRAWN BY: MIG 17-Mar-16 Unless otherwise specified CHECKED BY: KC 18-Mar-16 .XX ± 0.254mm [.010"] .XXX ± 0,13mm [.005''] Description SIZE A Part Number www.mpsind.com Tel: (310) 325-1043 Fax: (310) 325-1044 Helical Wound Inductor HWIA4427-122A-1R4H WEIGHT: 190 gms SHEET: REV 2 OF 2 B