Schottky PowerMod FST17140 - FST17150 1 2 3 Common Cathode E C 1 Dim. Inches N 4 Places A 3 B L K R D H 1 2 3 A=Common Anode F G P J 1 2 3 D=Doubler M Notes: Baseplate: Nickel plated copper Pins: Nickel plated copper Microsemi Catalog Number FST17140* FST17145* FST17150* Working Peak Reverse Voltage 40V 45V 50V A B C D E F G H J K L M N P R Millimeters Min. Max. Min. Max. 1.995 0.300 0.495 0.182 0.990 2.390 1.490 0.120 --0.240 0.490 0.330 0.175 0.035 0.890 2.005 0.325 0.505 0.192 1.010 2.410 1.510 0.130 0.400 0.260 0.510 0.350 0.195 0.045 0.910 50.67 7.62 12.57 4.62 25.15 60.71 37.85 3.05 --6.10 12.45 8.38 4.45 0.89 22.61 50.93 8.26 12.83 4.88 Dia. 25.65 61.21 38.35 3.30 10.16 6.60 to Lead CL 12.95 8.90 Dia. 4.95 1.14 23.11 Notes Schottky Barrier Rectifier Repetitive Peak Reverse Voltage Guard Ring for Reverse Protection High Surge Capacity 40V 45V 50V V RRM - 40 to 50 Volts Reverse Energy Tested ROHS Compliant *Add Suffix A for Common Anode, D for Doubler Electrical Characteristics IF(AV) 170 Amps Average forward current per pkg IF(AV) 85 Amps Average forward current per leg IFSM Maximum surge current per leg 1200 Amps Max repetitive peak reverse current per leg IR(OV) 2 Amps VFM .58 Volts Max peak forward voltage per leg VFM .74 Volts Max peak forward voltage per leg IRM Max peak reverse current per leg 60 mA IRM Max peak reverse current per leg 2 mA CJ Typical junction capacitance per leg 2300 pF T C = 120°C, Square wave, R 0JC = 0.425°C/W T C = 115°C, Square wave, R 0JC = 0.85°C/W 8.3 ms, half sine T J = 175°C f = 1 KHz, 25°C, 1µsec Square wave I FM = 80A: T J = 175°C* I FM = 80A: T J = 25°C * VRRM, T J = 125°C * VRRM, T J = 25°C VR = 5.0V, T J = 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) Mounting torque Weight T STG TJ R OJC R OJC R OCS -55°C to 175°C -55°C to 175°C 0.85°C/W Junction to case 0.425°C/W Junction to case Case to sink 0.1°C/W 15-20 inch pounds 2.5 ounces (71 grams) typical www.microsemi.com January, 2010 - Rev. 2 FST17140 - FST17150 Figure 1 Typical Forward Characteristics - Per Leg Figure 3 Typical Junction Capacitance - Per Leg 1000 10000 800 6000 175 C 4000 25 C Junction Capacitance - pF 600 400 200 100 80 2000 1000 60 600 400 200 100 0.1 20 10 8.0 6.0 4.0 2.0 1.0 0 .2 .4 .6 .8 1.0 1.2 10 50 100 165 155 145 135 125 115 60 90 105 0 1.4 Maximum Power Dissipation - Watts 175 C 1.0 125 C 0.1 75 C .01 25 C 10 20 Reverse Voltage - Volts 30 30 45 60 75 90 105 120 135 150 Figure 5 Maximum Forward Power Dissipation - Per Leg 100 0 15 DC 120 180 Average Forward Current - Amperes Figure 2 Typical Reverse Characteristics - Per Leg Typical Reverse Current - mA 5.0 175 Instantaneous Forward Voltage - Volts .001 1.0 Figure 4 Forward Current Derating - Per Leg Maximum Allowable Case Temperature - C Instantaneous Forward Current - Amperes 40 10 0.5 Reverse Voltage - Volts 40 50 105 90 75 DC 180 60 45 60 120 90 30 15 0 0 15 30 45 60 75 90 105 120 135 150 Average Forward Current - Amperes www.microsemi.com January, 2010 - Rev. 2