2830 S. Fairview St.
Santa Ana, CA 92704
1N6818
PH: (714) 979-8220
FAX: (714) 966-5256
(MSASC75H45F)
Features
1N6818R
Tungsten/Platinum schottky barrier for very low VF
Oxide passivated structure for very low leakage currents
Guard ring protection for increased reverse energy capability (MSASC75H45FR)
Epitaxial structure minimizes forward voltage drop
PRELIMINARY
Hermetically sealed, low profile ceramic surface mount power package
45 Volts
Low package inductance
Very low thermal resistance
75 Amps
Available as standard polarity (strap is anode: 1N6818) and reverse
polarity (strap is cathode: 1N6818R)
LOW VOLTAGE
DROP SCHOTTKY
Maximum Ratings @ 25C (unless otherwise specified)
DIODE
DESCRIPTION SYMBOL MAX. UNIT
Peak Repetitive Reverse Voltage V 45 Volts
RRM
Working Peak Reverse Voltage V 45 Volts
RWM
DC Blocking Voltage V 45 Volts
R
I 75 Amps
Average Rectified Forward Current, Tc 125C F(ave)
dI /dT 4
derating, forward current, Tc 125C Amps/C
F
Nonrepetitive Peak Surge Current, tp= 8.3 ms, half-sinewave I 500 Amps
FSM
Peak Repetitive Reverse Surge Current, tp= 1s, f= 1kHz I 2 Amp
RRM
Junction Temperature Range T -55 to +150
j C
Storage Temperature Range T -55 to +150
C
stg
Thermal Resistance, Junction to Case: 1N6818 0.50 C/W
JC
1N6818R 0.65
Mechanical Outline
ThinKey 4
Datasheet# MSC1029A1N6818 (MSASC75H45F)
1N6818R (MSASC75H45FR)
Electrical Parameters
DESCRIPTION SYMBOL CONDITIONS MIN TYP. MAX UNIT
Reverse (Leakage) IR 0.75 7.5 mA
VR= 45 Vdc, Tc= 25C
25
IR 65 - mA
VR= 12 Vdc, Tc= 125C
125-1
Current IR 125 - mA
VR= 36 Vdc, Tc= 125C
125-2
IR 175 300 mA
VR= 45 Vdc, Tc= 125C
125
Forward Voltage VF1 290 - mV
IF= 2 A, Tc= 25C
pulse test, VF2 350 400 mV
IF= 10 A, Tc= 25C
VF3 415 480 mV
pw= 300 s IF= 25 A, Tc= 25C
VF4 500 - mV
d/c 2% IF= 50 A, Tc= 25C
VF5 575 650 mV
IF= 75 A, Tc= 25C
VF6 650 - mV
IF= 100 A, Tc= 25C
VF7 390 - mV
IF= 2 A, Tc= -55C
VF8 440 500 MV
IF= 10 A, Tc= -55C
VF9 480 550 MV
IF= 25 A, Tc= -55C
VF10 IF= 50 A, Tc= -55C 535 - MV
VF11 IF= 75 A, Tc= -55C 580 660 mV
VF12 IF= 2 A, Tc= 125C 165 - MV
VF13 IF= 10 A, Tc= 125C 250 310 MV
VF14 IF= 25 A, Tc= 125C 350 420 MV
VF15 IF= 50 A, Tc= 125C 475 - MV
VF16 IF= 75 A, Tc= 125C 565 650 mV
VFa 200 - mV
IF= 100 mA, Tc= 25C
VFb 60 - mV
IF= 100 mA, Tc= 125C
VFc 325 - mV
IF= 100 mA, Tc= -55C
Junction Capacitance Cj1 VR= 10 Vdc 1850 - pF
Cj2 VR= 5 Vdc 2500 3000 pF
Breakdown Voltage BVR 58 V
IR= 5 mA, Tc= 25C
45 50 V
IR= 5 mA, Tc= -55C
0.7
0.6
0.5
-55C
0.4
+25C
0.3
+125C
0.2
0.1
0
1 10 100 1000
IF(A)
VF(V)