FSTSQQS59 schottky PowerMod FSTSQQ50 = B Dim. Inches Millimeters | | Min. Max. Min. Max. Notes Baseplate i @ @ <> A=Common Anode A uae 2450 -- 62.03 B 1.350 1.400 34.29 35.56 JS C 0.700 0.800 17.78 20.32 E D --- 0.625 15.88 E 3.140 5.160 72. 76 80.26 F Baseplate 3.650 92.71 1/4-20UNC with Common Cathode G 0.280 0.300 7.140 7.670 Dia. 4 Captive Lockwasher | | D Baseplate qc iq D=Doubler I I f Notes: Baseplate: Nickel plated TO-244AB copper Microsemi Working Peak Repetitive Peak e 7 ; Catalog Number Reverse Voltage Reverse Voltage Schottky Barrier Rectifier @ Guard Ring Protection FST30035* 35V 35V FST30040* 40V 40V @ 300 Amperes/35 to 50 Volts FST30045* 45V 45V e@ 175C Junction Temperature FSTS0050* SOV SOV @ Reverse Energy Tested *Add Suffix A for Common Anode, D for Doubler Electrical Characteristics Average forward current per pkg CAV) 300 Amps To = 136C, Square wave, R@uc = 0.20C/W Average forward current per leg [F(AV) 150 Amps Tc = 136C, Square wave, Reuc = 0.40C/W Maximum surge current per leg [FSM 2000 Amps 8.3ms, half sine, J = 175C Maximum repetitive reverse current per leg VR(Ow) 2 Amps f = 1 KHZ, 25C Max peak forward voltage per leg 0.70 Volts IFM = 200A:TJ = 125C* Max peak forward voltage per leg EM 0.76 Volts IFM = 200A:TJ = 25C* Max peak reverse current per leg IRM 75 mA VRRM, ly = 125C* Max peak reverse current per leg IRM 4.0 mA VRRM, !J = 25C Typical junction capacitance per leg Cy 4600 pF VR = 5.0V,1C = 25C *Pulse test: Pulse width 300 usec, 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 Weight TSTG Tu ReJc ReJC Recs 55C to 175C 55C to 175C 0.40C/W Junction to case 0.20C/W Junction to case 0.08C/W Case to sink 5550 inch pounds 30-40 inch pounds 3.4 ounces (95 grams) typical COLORADO Microsemi 800 Hoyt Street Broomfield, CO. 80020 PH: (303) 469-2161 FAX: (303) 466-3775 www.microsemi.com 2-28-00 Rev. 1FS 1SQQ050 Figure 1 Typical Forward Characteristics Per Leg 1000 800 600 400 200 100 80 60 40 Instantaneous Forward Current Amperes 1.0 Figure Typical Reverse Characteristics Per Leg 1 100 10 1.0 0.1 Typical Reverse Current mA .01 0 02 04 0.6 2 0.8 Instantaneous Forward Voltage Volts 1.4 0 10 20 Reverse Voltage Volts 50 40 50 FS 1 SQ090 Figure 3 Typical Junction Capacitance Per Leg 100, 60, 40, 20, 10,000 6000 4000 2000 Junction Capacitance pF 1000 0.1 0.5 1.0 5.0 10 50 100 Reverse Voltage Volts Figure 4 Forward Current Derating Per Leg 175 165 155 S 145 SS 135 DS Yh A 125 115 Maximum Allowable Case Temperature C 60P |90}| f1207180] DC 0 50 100 150 200 250 105 Average Forward Current Amperes Figure 5 Maximum Forward Power Dissipation Per Leg 2 140 oS - 120 be S 100 - van 3 180 = 80 { 0) LA s NY = WY 40 E YZ 3 oY 20 4 x Oo = 0 0 50 100 150 200 250 Average Forward Current Amperes 2-28-00 Rev. 1