FST80SM1

FST80SM1-SM6 Series A1 K N 2-PLCS. E L M 3 PINS eq sp at .200 G J C H 1 1 Schottky Power Surface Mount A2 Dim. Inches 3 Millimeter Minimum Maximum Minimum Maximum Notes 2 F 1 2 3 1 2 3 Common Cathode SM3 & SM4 A3 1 2 3 A=Common Anode 3 SM1 & SM2 B D 2 A1 A2 A3 B C D E F G H J K L M N 1.490 1.020 .695 .110 .027 .100 .350 .015 .695 .088 .240 1.180 .230 .065 .151 1.510 1.040 .715 .120 .037 .110 .370 .025 .715 .098 .260 1.195 .250 .085 .161 37.85 26.12 17.65 2.79 0.69 2.54 8.89 0.38 17.65 2.24 6.10 29.97 5.84 1.65 3.84 38.35 26.42 18.16 3.04 0.94 2.79 9.40 0.64 18.16 2.49 6.60 30.35 6.35 2.16 4.09 B D SM5 & SM6 1 2 3 D=Doubler TYP. PIN CONFIGURATION FOR SM1, SM3, & SM5 TYP. PIN CONFIGURATION FOR SM2, SM4, & SM6 Dia. Note: Baseplate Common with Pin 2 Microsemi Catalog Catalog Number 12 FST8035SM _ _ FST8040SM _ _ FST8045SM _ _ FST8050SM _ _ Industry Part Number 81CNQ035ASL 81CNQ035ASM 81CNQ040ASL 81CNQ040ASM 81CNQ045ASL 81CNQ045ASM Working Peak Reverse Voltage 35V 40V 45V 50V Repetitive Peak Reverse Voltage 35V 40V 45V 50V Schottky Barrier Rectifier Guard Ring Protection 2 X 40 Amperes Avg. 175°C Junction Temperature Reverse Energy Tested VRRM - 35 to 50 Volts ROHS Compliant Note: 1 Specify (1-6) to identify package desired 2 Specify C-Common Cathode, A-Common Anode, D-Doubler Electrical Characteristics Average forward current per pkg Average forward current per leg Maximum surge current per leg Max repetitive peak reverse current per leg Max peak forward voltage per leg Max peak forward voltage per leg Max peak reverse current per leg Max peak reverse current per leg Typical junction capacitance per leg I F(AV) 80 Amps I F(AV) 40 Amps I FSM 800 Amps I R(OV) 2 Amps VFM 0.49 volts VFM 0.68 volts I RM 50 mA I RM 2.0 mA CJ 1900 pF TC = 145°C, Square wave, R 0JC = 0.5°C/W T C = 145°C, Square wave, R 0JC = 1.0°C/W 8.3 ms, half sine, T J = 175°C f = 1 KHZ, 25°C, 1µsec square wave I FM = 40A: T J = 175°C* I FM = 40A: T J = 25°C* VRRM, T C = 125°C* VRRM, T J = 25°C VR = 5.0V, T C = 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 Base Torque Weight T STG TJ R OJC R OJC R OCS -55°C to 175°C -55°C to 175°C 1.0°C/W Junction to case Junction to case 0.5°C/W Case to sink 0.3°C/W 10 inch pounds maximum (SM1, 2) SM1-2 0.3 ounce (8.4 grams) typical SM3-4 0.24 ounce (6.7 grams) typical SM5-6 0.18 ounce (5.2 grams) typical www.microsemi.com January, 2010 - Rev. 2 FST80SM1 - FST80SM6 Figure 1 Typical Forward Characteristics - Per Leg 1000 800 600 Junction Capacitance - pF 400 Figure 3 Typical Junction Capacitance - Per Leg 10000 6000 4000 2000 1000 600 400 200 100 0.1 200 100 80 60 40 Instantaneous Forward Current - Amperes 0.5 1.0 5.0 10 50 100 Reverse Voltage - Volts Figure 4 Forward Current Derating - Per Leg 180 170 160 150 140 130 120 110 0 0.5 10 15 60 20 90 25 30 120 35 180 40 45 DC 50 20 150 C 25 C 10 8.0 6.0 4.0 2.0 1.0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 Instantaneous Forward Voltage - Volts Maximum Allowable Case Temperature - C Maximum Power Dissipation - Watts Average Forward Current - Amperes Figure 5 Maximum Forward Power Dissipation - Per Leg 35 30 25 20 15 10 5.0 0 0 5.0 10 15 20 25 30 35 40 45 50 Average Forward Current - Amperes 60 90 120 DC 180 Figure 2 Typical Reverse Characteristics - Per Leg Typical Reverse Current - mAmperes 1000 175 C 100 10 1.0 0.1 .01 75 C 25 C 0 10 20 30 40 50 125 C Reverse Voltage - Volts www.microsemi.com January, 2010 - Rev. 2