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 29μH±15% @ 10kHz, 1Vrms ΔL ≤ 10% @31A ΔL ≤ 30% @61A ΔT ≤ 20ºC @ 29A ΔT ≤ 40ºC @ 44A 3.0mΩ 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 HWIA4427-044A-290H 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] 1.8 Ref [0.07] 8.0 Ref [0.31] 20.00 Ref [0.787] 40.0 Max [1.58] C L 25.00 Typ [0.984] 42.5 Typ [1.67] 27.00 Max [1.06] 0.50 Ref [0.020] MARKING 6.90 Ref [0.271] 25.00 Typ [0.984] 42.5 Ref [1.67] 6.35 Ref [0.250] MPS HWIA4427-044A-290H Date Code 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, 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''] F_025 Rev 2 0.096 Ref [0.038] Description SIZE Part Number A www.mpsind.com Tel: (310) 325-1043 Fax: (310) 325-1044 Helical Wound Inductor HWIA4427-044A-290H 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 HWIA4427-044A-290H WEIGHT: 190 gms SHEET: REV 2 OF 2 B