2830 S. Fairview St. Santa Ana, CA 92704 PH: (714) 979-8220 FAX: (714) 966-5256 1N6818 (MSASC75H45F) PRELIMINARY Features * * * * * * Tungsten/Platinum schottky barrier for very low VF Oxide passivated structure for very low leakage currents Guard ring protection for increased reverse energy capability Epitaxial structure minimizes forward voltage drop Hermetically sealed, low profile ceramic surface mount power package Low package inductance * Very low thermal resistance * Available as standard polarity (strap is anode: 1N6818) and reverse polarity (strap is cathode: 1N6818R) (MSASC75H45FR) Maximum Ratings @ 25C (unless otherwise specified) DESCRIPTION Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Average Rectified Forward Current, Tc 125C derating, forward current, Tc 125C Nonrepetitive Peak Surge Current, tp= 8.3 ms, half-sinewave Peak Repetitive Reverse Surge Current, tp= 1s, f= 1kHz Junction Temperature Range Storage Temperature Range Thermal Resistance, Junction to Case: 1N6818 1N6818R 1N6818R 45 Volts 75 Amps LOW VOLTAGE DROP SCHOTTKY DIODE SYMBOL MAX. UNIT VRRM VRWM VR IF(ave) dIF/dT IFSM IRRM Tj Tstg JC 45 45 45 75 4 500 2 -55 to +150 -55 to +150 0.50 0.65 Volts Volts Volts Amps Amps/C Amps Amp C C C/W Mechanical Outline ThinKeyTM 4 Datasheet# MSC1029A 1N6818 (MSASC75H45F) 1N6818R (MSASC75H45FR) Electrical Parameters DESCRIPTION Reverse (Leakage) SYMBOL IR25 IR125-1 IR125-2 IR125 VF1 VF2 VF3 VF4 VF5 VF6 VF7 VF8 VF9 VF10 VF11 VF12 VF13 VF14 VF15 VF16 VFa VFb VFc Cj1 Cj2 BVR Current Forward Voltage pulse test, pw= 300 s d/c 2% Junction Capacitance VF(V) Breakdown Voltage CONDITIONS VR= 45 Vdc, Tc= 25C VR= 12 Vdc, Tc= 125C VR= 36 Vdc, Tc= 125C VR= 45 Vdc, Tc= 125C IF= 2 A, Tc= 25C IF= 10 A, Tc= 25C IF= 25 A, Tc= 25C IF= 50 A, Tc= 25C IF= 75 A, Tc= 25C IF= 100 A, Tc= 25C IF= 2 A, Tc= -55C IF= 10 A, Tc= -55C IF= 25 A, Tc= -55C IF= 50 A, Tc= -55C IF= 75 A, Tc= -55C IF= 2 A, Tc= 125C IF= 10 A, Tc= 125C IF= 25 A, Tc= 125C IF= 50 A, Tc= 125C IF= 75 A, Tc= 125C IF= 100 mA, Tc= 25C IF= 100 mA, Tc= 125C IF= 100 mA, Tc= -55C VR= 10 Vdc VR= 5 Vdc IR= 5 mA, Tc= 25C IR= 5 mA, Tc= -55C 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 MIN 45 TYP. 0.75 65 125 175 290 350 415 500 575 650 390 440 480 535 580 165 250 350 475 565 200 60 325 1850 2500 58 50 -55C +25C +125C 1 10 100 IF(A) 1000 MAX 7.5 300 400 480 650 500 550 660 310 420 650 3000 UNIT mA mA mA mA mV mV mV mV mV mV mV MV MV MV mV MV MV MV MV mV mV mV mV pF pF V V