SD 41. SD4145 Notes: 1. 10-32 UNF3A threads 2. Full threads within 2 1/2 | t threads / 3. Standard Polarity: Stud is Cathode. Reverse Polarity Stud is Anode Dim. Inches Millimeter Minimum Maximum Minimum Maximum Notes A a a --- 1 B .424 437 10.77 11.10 Cc --- .505 --- 12.82 D ~-.600 .800 15.24 20.32 E 1.429 453 10.72 11.50 F075 175 1.91 4.44 G --- .405 oe 10.29 H 163 189 4.15 4.80 2 J 310 --- 7.87 M --~ .350 8.89 Dia. N .020 .065 510 1.65 P= .960 100 1.53 2.54 Dia. DO203AA (D04) Microsemi Working Peak Repetitive Peak Catalog Number Reverse Voltage Reverse Voltage SD41* 35V 35V $D4145* 45V 45V *Add Suffix R For Reverse Polarity Schottky Barrier Rectifier Guard Ring Protection @ Low Forward Voltage eVRRM 35 & 45 Volts @ 30 Amperes @ Reverse Energy Tested Electrical Characteristics Average forward current Maximum surge current Max repetitive peak reverse current |FCAV) 30 Amps 'FSM 600 Amps IR(OV) 2 Amps Max peak forward voltage VFM .57 Volts Max peak forward voltage VFM .68 Volts Max peak reverse current IRM 25 mA Max peak reverse current IRM 1.5 mA Typical junction capacitance Cy 1350 pF To = 140C, Square wave, ReJC = 1.6C/W 8.3 ms, half sine Ty = 175C f = 1 KHz, 25C, 1 psec Square wave IFM = 30A: TJ = 175C* IFM = 30A: Td = 25C* VRRM, TJ = 125C* VRRM, Td = 25C VR = 5.0V, Tu = 25C *Pulse test: Pulse width 300 sec, Duty cycle 2% Thermal and Mechanical Characteristics Storage temp range TSTG Operating junction temp range TJ Max thermal resistance R @JC Typical thermal resistance (greased) Recs Mounting torque Weight 55C to 175C 55C to 175C 1.6C/W Junction to case 0.5C/W Case to sink 12-15 inch pounds 0.2 ounces (6.0 grams) typical LAWRENCE OWicrosem/ 6 Lake Street Lawrence, MA 01841 PH: (978) 620-2600 FAX: ( 978) 689-0803 www.microsemi.com 05-30-07 Rev. 2 SD 41, Figure 1 Typical Forward Characteristics 1000 800 600 400 200 100 80 60 40 20 10 8.0 6.0 4.0 2.0 Instantaneous Forward Current Amperes 1.0 0 2 4 6 8 1.0 Instantaneous Forward Voltage Volts Figure 2 Typical Reverse Characteristics 100 10 1.0 0.1 01 Typical Reverse Current mA -001 0 10 20 Reverse Voltage Volts 30 SD4145 Figure 3 Typical Junction Capacitance 10000 6000 4000 2000 1000 600 400 200 Junction Capacitance pF 100 0.1 0.5 Reverse Voltage Volts 1.0 5.0 10 50 100 Figure 4 Forward Current Derating $ 180 170 160 > 150 Stn. 140 130 120 Maximum Allowable Case Temperature ' 110 eo}g0%po7 |1809|__ [pc 1.4 0 5 10 15 20 25 30 35 40 45 50 Average Forward Current Amperes 1.2 Figure 5 Maximum Forward Power Dissipation 2 35 3 | 30 2 B 9 {Jo wx n a 1209 p 15 ps nm 10 ALE E GW 5 o = 0 40 50 0 5 10 15 20 25 30 35 40 45 50 Average Forward Current Amperes 05-30-07 Rev. 2