Spice Model D40U18R 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 D40U18R 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 0.050 0.025 .25 10 8.0 0.10 1.0 0.2 70 10 35 .036(.91) .025(.63) .040(1.02) .025(.63) .040(1.02) ANODE CATH- Name Plating: 50µin silver over 50µin nickel. Parameter Value Units 1.0E-07 Amps IS Reverse leakage current N Emission coefficient T Temperature 25 C RS Diode series resistance 1.6 Ohm TT Transit time 70 nS C J0 Zero-bias junction capacitance 4.77 pF VJ Bulk junction potential 1.23 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 2200 Volts IBV Diode breakdown current 100 uAmps 17.6 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