Induction Heater Parts List

Resistors R1, R4 = 510 Ω ¼ Watt +/- 5% Carbon FilmR2 = 10 K Ω Single Turn Potentiometer 0.5 Watt (set for resonant frequency with low input voltage) R3 = 2.2 K Ω ¼ Watt +/- 5% Carbon FilmR5, R6=3.3 Ohm 1 Watt +/- 5% Carbon FilmR7 = 47 Ω 1/2 Watt +/- 5% Carbon Film Capacitors C1, C2 = CSP150 200KVAR Capacitors 1.33 µF, 850 V 450 A C3 = 1 nF 50V Polystyrene C4, C8, C9 = 100 µF @ 25 V Radial Electrolytics C10 = 10 nF 1.5 kV Polystyrene C5 = 1 µF @ 25 V Radial Electrolytic C6, C7 = Polyester Parallel Capacitor Assemblies 1 µF @ 400 V Axial Lead (x7), 7 µF @ 400V equivalent Inductors and Transformers T1 = Current Transformer; RS-399-7339 1:500; AS-104 T2 = Low Voltage Transformer; 120 VAC pri 12.6 VAC @ 1.2 A sec RS Cat #: 273-1352A L1 = Work Coil; 4T 3/8” Copper Tubing with fittings for water feed. L2 = Matching Inductor; 7T Bifilar; 10-12 AWG; 80 mm air core spool (approx 33 uH watch for heating) L3 = RFC Line Choke Semiconductors U1 = CD40106 Hex Inverting Schmitt Trigger; 14 Pin DIP Circuit Uses 1 logic gate six on the die. U2 = IR2184; IGBT Half Bridge Driver IC; 8 Pin DIP U3 = 7815; +15V, 1A Voltage Regulator BR1 = GBPC2504; 25A 400V Bridge Rectifier BR2 = 2W04; 2A, 400V Bridge Rectifier D1, D2 = 1N4148; Small Signal Switching Diode D3 = 1N4937; 600V, 1A; Fast Switching Diode D4, D5, D6, D7 = 1N4744A; 15 V, 1 Watt Zener Diode Q1, Q2 = HGTG20N60A40, IGBT 600V, 70A N-Channel MOSFET Miscellaneous Perfboard 4” x 6” or Equivalent Housing Submersible Water Pump and tubing/reservoir Solder PCB Standoffs Assorted Wire (14 AWG, 12 AWG, 10 AWG, Red, Green, Blue , Brown)Electrical Tape Crimp Leads and Hardware AC Cord Rated @ 220 VAC 35 A SW1= DPDT Rocker Switch 220VAC 35A Test Equipment, Solder Iron, Isolation Transformer, Variac, Etc.