Schottky PowerMod CPT50235 - CPT50245 A Dim. Inches R G Baseplate A=Common Anode B Q N W Baseplate Common Cathode F U U C Baseplate D=Doubler H V Microsemi Catalog Number Industry Part Number CPT50235* 440CNQ030 444CNQ035 MBR50035CT 444CNQ040 MBR50040CT 444CNQ045 MBR50045CT CPT50240* CPT50245* E Notes: Baseplate: Nickel plated copper Min. A B C E F G H N Q R U V W Repetitive Peak Working Peak Reverse Voltage Reverse Voltage 35V 35V 40V 40V 45V 45V Max. --3.630 0.800 0.700 0.640 0.615 0.130 0.120 0.510 0.490 1.375 BSC 0.030 0.007 ----0.290 0.275 3.150 BSC 0.600 --0.312 0.340 0.180 0.195 Millimeters Min. Max. --92.20 17.78 20.32 15.53 16.26 3.30 3.05 12.45 12.95 34.92 BSC 0.76 0.18 ----6.99 7.37 80.01 BSC 15.24 --7.92 8.64 4.57 4.95 Notes 1/4-20 Dia. Dia. Schottky Barrier Rectifier Guard Ring Protection 500 Amperes/35 to 45 Volts 150°C Junction Temperature Reverse Energy Tested ROHS Compliant *Add Suffix A for Common Anode, D for Doubler Electrical Characteristics I F(AV) 500 Amps Average forward current per pkg I F(AV) 250 Amps Average forward current per leg I FSM 5000 Amps Maximum surge current per leg Maximum repetitive reverse current per leg I R(OV) 2 Amps VFM 0.55 Volts Max peak forward voltage per leg VFM 0.49 Volts Max peak forward voltage per leg I RM 4.0 A Max peak reverse current per leg I RM Max peak reverse current per leg 12.0 mA CJ Typical junction capacitance per leg 10500 pF T C = 79°C, square wave, R0JC = 0.12°C/W T C = 79°C, square wave, R0JC = 0.24°C/W 8.3ms, half sine, TJ = 150°C f = 1 KHZ, 25°C, 1µsec square wave I FM = 250A:T J = 25°C* I FM = 250A:T J = 150°C* VRRM, TJ = 125°C* VRRM, TJ = 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) Terminal Torque Mounting Base Torque (outside holes) Mounting Base Torque (center hole) center hole must be torqued first Weight T STG TJ R OJC R OJC R OCS -55°C to 150°C -55°C to 150°C 0.24°C/W Junction to case 0.12°C/W Junction to case 0.08°C/W Case to sink 35-50 inch pounds 30-40 inch pounds 8-10 inch pounds 2.8 ounces (78 grams) typical www.microsemi.com January, 2010 - Rev. 6 CPT50235 - CPT50245 Figure 3 Typical Junction Capacitance - Per Leg Figure 1 Typical Forward Characteristics - Per Leg 100,000 8000 60,000 6000 40,000 Junction Capacitance - pF 10,000 4000 2000 1000 800 600 20,000 10,000 6000 4000 2000 1000 0.1 1.0 5.0 10 50 100 Figure 4 150 C 200 25 C Maximum Allowable Case Temperature - C Instantaneous Forward Current - Amperes 400 100 80 60 40 20 10 0 0.2 0.4 0.6 0.8 1.0 1.2 Forward Current Derating - Per Leg 175 160 145 130 115 100 85 70 1.4 Instantaneous Forward Voltage - Volts Maximum Power Dissipation - Watts 100 10 150 C 125 C 75 C 1.0 0.1 25 C 0 10 20 Reverse Voltage - Volts 30 120 180 100 200 DC 300 400 500 Figure 5 Maximum Forward Power Dissipation - Per Leg 10000 1000 60 90 0 Average Forward Current - Amperes Figure 2 Typical Reverse Characteristics - Per Leg Typical Reverse Current - mA 0.5 Reverse Voltage - Volts 40 50 210 DC 180 150 120 180 90 120 60 90 60 30 0 0 100 200 300 400 500 Average Forward Current - Amperes www.microsemi.com January, 2010 - Rev. 6