Spice Model D90FF18R Electrical Characteristics and Maximum Ratings Part Number Working Reverse Voltage Average Rectified Current Reverse Current @ Vrwm Forward Voltage (Vrwm) (Io) (Ir) (Vf) 1 Cycle Repetitive Reverse Therm- Junction Surge Surge Recovery al Cap. Current Current Time Imped- @50VDC tp=8.3ms (3) ance @ 1kHZ (Ifsm) (Ifrm) (Trr) (Cj) θJ-L 55°C(1) 100°C(2) 25°C D90FF18R 100°C 25°C 25°C 25°C 25°C 25°C 25°C Volts Amps Amps µA µA Volts A Amps Amps ns °C/W pF 1800 1.0 0.75 1.0 25 4.0 0.15 20 4 30 0.8 20 .037(.94) .075(1.91) .090(2.29) Plating: 50µin silver over 50µin nickel. .090(2.29) .075(1.91) CATHName ANODE Parameter Value Units 5.0E-07 Amps IS Reverse leakage current N Emission coefficient 12 T Temperature 25 C RS Diode series resistance 0.3 Ohm TT Transit time 70 nS C J0 Zero-bias junction capacitance 78.80 pF VJ Bulk junction potential 0.73 Volts M Grading coefficient 0.5 EG Energy-band gap 1.11 X TI Temperature coefficient 3 KF Flicker-noise coefficient 0 AF Flicker-noise exponent 1 FC Coefficient for capacitance 0.5 BV Diode breakdown voltage 1800 Volts IBV Diode breakdown current 100 uAmps Volts Dimensions: In. (mm) * All temperatures are ambient unless otherwise noted. * Data subject to change without notice. Voltage Multipliers, Inc. 8711 W. Roosevelt Ave. Visalia, CA 93291 Tel (559) 651-1402 Fax (559) 651-0740 www.voltagemultipliers.com