80 Amp Schottky OR'ing Rectifier FST8515 F A P 1 2 3 1 2 Common Cathode E 3 L 1 2 3 A=Common Anode M 3 PINS eq sp at .200 G K Millimeter Dim. Inches N 2-PLCS C J 1 2 3 D=Doubler Minimum Maximum Minimum Maximum Notes A C E F G H J K L M N P 1.180 .027 .350 1.490 .695 .088 .240 .115 .460 .065 .151 .015 1.195 .037 .370 1.510 .715 .098 .260 .135 .480 .085 .161 .025 29.97 0.69 8.89 37.85 17.65 2.24 6.10 2.92 11.68 1.65 3.84 0.38 30.35 0.94 9.40 38.35 18.16 2.49 6.60 3.43 12.19 2.16 4.09 0.64 Dia. H Note: Baseplate Common with Pin 2 Schottky Barrier Rectifier Microsemi Catalog Number Industry Part Number Working Peak Reverse Voltage Repetitive Peak Reverse Voltage 0.28V Vf@40A per leg, 100°C FST8515* 85CNQ015, A 15V 15V Guard ring reverse protection Optimized for OR'ing applications 125°C Operation (Vr<5V) ROHS Compliant *Add the Suffix A for Common Anode, D for Doubler Electrical Characteristics Average forward current per pkg Average forward current per pkg Average forward current per leg Average forward current per leg Maximum surge current per leg Max repetitive peak reverse current Max peak forward voltage per leg Max peak forward voltage per leg Max peak reverse current per leg Max peak reverse current 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) 80 Amps I F(AV) 40 Amps I F(AV) 40 Amps I FSM 800 Amps I R(OV) 2 Amps VFM 0.35 Volts VFM 0.28 Volts I RM 750 mA I RM 1500 mA I RM 12 mA I RM 20 mA CJ 5600 pF TC TC TC TC = 84°C, VR = 5V = 78°C, VR = 15V = 84°C, VR = 5V = 78°C, VR = 15V 8.3 ms, half sine, T J = 100°C f = 1 KHZ, 25°C, 1µsec square wave I FM = 40A: T J = 25°C* I FM = 40A: T J = 100°C * VR = 5V, T J = 100°C* VRRM, T J = 100°C* VR = 5V, T J = 25°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 Base Torque Weight T STG TJ R 0JC R 0JC R 0CS -55°C to 150°C -55°C to 125°C 1.0°C/W Junction to case 0.5°C/W Junction to case Case to sink 0.3°C/W 10 inch pounds maximum 0.3 ounce (8.4 grams) typical www.microsemi.com January, 2010 - Rev. 3 FST8515 Figure 3 Typical Junction Capacitance - Per Leg 1000 100000 800 60000 600 40000 Junction Capacitance - pF Figure 1 Typical Forward Characteristics - Per Leg 400 200 100 80 20000 10000 6000 4000 2000 60 100 C 25 C 5.0 1.0 10 50 100 Figure 4 Forward Current Derating - Per Leg 20 10 8.0 6.0 4.0 2.0 1.0 0 0.2 0.4 0.6 0.8 1.0 1.2 120 110 100 90 80 70 60 0 1.4 Maximum Power Dissipation - Watts 1000 100 C 100 75 C 10 25 C 3 6 Reverse Voltage - Volts 9 24 180 36 DC 48 60 Figure 5 Maximum Forward Power Dissipation - Per Leg 10000 0 12 120 Average Forward Current - Amperes Figure 2 Typical Reverse Characteristics - Per Leg 1.0 90 50 Instantaneous Forward Voltage - Volts Typical Reverse Current - mAmperes 0.5 Reverse Voltage - Volts Maximum Allowable Case Temperature - C Instantaneous Forward Current - Amperes 40 1000 0.1 12 15 21 18 15 90 120 DC 180 12 9 6 3 0 0 12 24 36 48 Average Forward Current - Amperes www.microsemi.com January, 2010 - Rev. 3 60