Magnetics Make Possible Toroid Style Gate Drive Transformers Model HM41 Series Features Operating Temperature Range -25°C to +85°C Insulation Resistance, Minimum 100MΩ Temperature Rise, Maximum 40°C Current Rating 0.3 Amps RoHS Compliant Schematic Schematic 2 Schematic 1 (HM41-2XXXXLF) (HM41-1XXXXLF) Specifications @ 25°C Part Number DC Resistance Turns ±0 N1:N2:N3 Inductance 10kHz, 50mV P(1-6) mH Min. Leakage(1) Inductance P(3-4) μH Max. P(1-6) Ω Max. P(3-4) Ω Max. 8:8:12 10:10 10:10:10 12:12:10 14:14:10 10:15 15:15:10 20:20:10 20:20:20 0.14 0.22 0.22 0.31 0.42 0.22 0.47 0.83 0.83 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.060 0.072 0.072 0.077 0.090 0.072 0.100 0.138 0.156 0.097 0.074 0.074 0.074 0.074 0.100 0.074 0.074 0.156 HM41-10812LF HM41-21010LF HM41-11010LF HM41-11210LF HM41-11410LF HM41-21015LF HM41-11510LF HM41-12010LF HM41-12020LF ET P(1-6) V-μS Max. 52 65 65 78 91 65 98 130 130 Isolation(2) N3-N1/N2 Vrms N1-N2 Vrms 4200 4200 4200 4200 4200 4200 4200 500 4200 500 500 500 4200 500 500 500 Schematic 1 2 1 1 1 2 1 1 1 Packaging Vacuum Tray Standard: Model Capacity Per Tray (Units) Capacity Per Tray (Units) HM41-1XXXXLF 90 360 HM41-2XXXXLF 90 360 General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. www.ttelectronicsmagnetics.com © TT Electronics plc Rev. 01 Toroid Style Gate Drive Transformers Make Possible Model HM41 Series Outline Dimensions (Inch/mm) Front View Side View Recommended Solder Pad Layout Bottom View Ordering Information HM41 1 1010 LF Model Series Lead-Free Schematic Figure Number Turns Ratio General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. www.ttelectronicsmagnetics.com © TT Electronics plc Rev. 01