Schottky PowerMod FST30035 - FST30050 A Dim. Inches B C G Baseplate A=Common Anode E F Baseplate Common Cathode 1/4-20UNC with Captive Lockwasher A B C D E F G Millimeters Min. Max. Min. Max. Notes --1.350 0.700 --3.140 --0.280 2.450 1.400 0.800 0.625 3.160 3.650 0.300 --34.29 17.78 --79.76 --7.140 62.23 35.56 20.32 15.88 80.26 92.71 7.670 Dia. Baseplate D=Doubler D Notes: Baseplate: Nickel plated copper Microsemi Catalog Number Working Peak Reverse Voltage Repetitive Peak Reverse Voltage FST30035* FST30040* FST30045* FST30050* 35V 40V 45V 50V 35V 40V 45V 50V TO-244AB Schottky Barrier Rectifier Guard Ring Protection 300 Amperes/35 to 50 Volts 175 C Junction Temperature Reverse Energy Tested ROHS Compliant *Add Suffix A for Common Anode, D for Doubler Electrical Characteristics I F(AV) 300 Amps Average forward current per pkg I F(AV) 150 Amps Average forward current per leg I FSM 2000 Amps Maximum surge current per leg Maximum repetitive reverse current per leg I R(OV) 2 Amps VFM 0.70 Volts Max peak forward voltage per leg VFM 0.76 Volts Max peak forward voltage per leg I RM 75 mA Max peak reverse current per leg I RM Max peak reverse current per leg 4.0 mA CJ Typical junction capacitance per leg 4600 pF TC = 136°C, Square wave, R 0JC = 0.20°C/W TC = 136°C, Square wave, R 0JC = 0.40°C/W 8.3ms, half sine,T J = 175°C f = 1 KHZ, 25°C I FM = 200A:T J = 125°C* I FM = 200A:T J = 25°C* VRRM, TJ = 125°C* VRRM, TJ = 25°C VR = 5.0V,TC = 25°C *Pulse test: Pulse width 300µsec, Duty cycle 2% Thermal and Mechanical Characteristics Storage temp range Operating junction temp range Max thermal resistance per leg Max thermal resistance per pkg Typical thermal resistance (greased) Terminal Torque Mounting Base Torque Weight T STG TJ ROJC ROJC ROCS -55°C to 175°C -55°C to 175°C 0.40°C/W Junction to case 0.20°C/W Junction to case 0.08°C/W Case to sink 35-50 inch pounds 30-40 inch pounds 3.4 ounces (95 grams) typical www.microsemi.com January, 2010 - Rev. 4 FST30035 - FST30050 Figure 3 Typical Junction Capacitance - Per Leg Figure 1 Typical Forward Characteristics - Per Leg 100,000 800 60,000 600 40,000 Junction Capacitance - pF 1000 400 200 25 C 175 C 100 80 60 20,000 10,000 6000 4000 2000 1000 0.1 1.0 5.0 10 50 100 Figure 4 Maximum Allowable Case Temperature - C Instantaneous Forward Current - Amperes 40 20 10 8.0 6.0 4.0 2.0 1.0 0 0.2 0.4 0.6 0.8 1.0 1.2 Forward Current Derating - Per Leg 175 165 155 145 135 125 115 105 1.4 Instantaneous Forward Voltage - Volts Maximum Power Dissipation - Watts 100 175 C 10 125 C 1.0 .01 75 C 25 C 0 10 20 Reverse Voltage - Volts 30 50 90 120 180 DC 150 200 100 250 Figure 5 Maximum Forward Power Dissipation - Per Leg 1000 0.1 60 0 Average Forward Current - Amperes Figure 2 Typical Reverse Characteristics - Per Leg Typical Reverse Current - mA 0.5 Reverse Voltage - Volts 40 50 140 DC 120 100 80 90 120 180 60 60 40 20 0 0 50 100 150 200 250 Average Forward Current - Amperes www.microsemi.com January, 2010 - Rev. 4