FST8145SM3

FST81SM1-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 FST8135SM _ _ FST8140SM _ _ FST8145SM _ _ Industry Part Number 80CNQ035ASL 80CNQ035ASM 80CNQ040ASL 80CNQ040ASM 80CNQ045ASL 80CNQ045ASM Working Peak Reverse Voltage 35V 40V 45V Repetitive Peak Reverse Voltage 35V 40V 45V Schottky Barrier Rectifier Guard Ring Protection Common Cathode Center Tap Low Forward Voltage 2 X 40 Amperes Avg. 150°C Junction Temperature Reverse Energy Tested 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 0.47 volts VFM 0.53 volts I RM 500 mA I RM 3.0 mA CJ 2100 pF TC = 110°C, Square wave, R 0JC = 0.5°C/W TC = 110°C, Square wave, R 0JC = 1.0°C/W 8.3 ms, half sine, T J = 150°C f = 1 KHZ, 25°C, 1µsec square wave I FM = 40A: T J = 150°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 150°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. 4 FST81SM1 - SM6 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 150 140 130 120 110 100 90 80 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 90 180 120 DC Figure 2 Typical Reverse Characteristics - Per Leg Typical Reverse Current - Amperes 1000 150 C 100 10 1.0 0.1 .01 0 10 20 30 40 50 Reverse Voltage - Volts 25 C 125 C 75 C www.microsemi.com January, 2010 - Rev. 4