Rev B ELECTRICAL SPECIFICATIONS @ 25°C L: Isat: Irms: DCR: Hipot: Insulation Class: RoHS Compliant: SCHEMATIC Description Released for Production DIMENSIONS 45μH±15% @ 10kHz, 1Vrms ΔL ≤ 10% @25A ΔL ≤ 30% @48A ΔT ≤ 20ºC @ 25A ΔT ≤ 40ºC @ 38A 4.2mΩ Max 500Vdc, 1mA, 5s, wdg to core Class H 180ºC Yes By MIG Recommended PCB Layout 44.5 Max [1.75] 44.5 Max [1.75] 40.0 Max [1.58] Date 17-Mar-16 MPS HWI4427-038A-450H Date Code 35.0 Ref C L [1.38] 40.0 Max [1.58] 20.00 Ref [0.787] 1.5 Ref [0.06] 8.0 Ref [0.31] C L 25.00 Typ [0.984] C L 27.0 Max [1.06] MARKING 6.90 [0.272] 25.00 Typ [0.984] 6.35 Ref [0.250] 0.76 Ref [0.030] MPS HWI4427-038A-450H Date Code F_025 Rev 2 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''] 20.00 Typ [0.787] Description SIZE Part Number A www.mpsind.com Tel: (310) 325-1043 Fax: (310) 325-1044 Helical Wound Inductor HWI4427-038A-450H 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 HWI4427-038A-450H WEIGHT: 190 gms SHEET: REV 2 OF 2 1