High Voltage Diodes - Formed Lead 0.8A - 2.0A • 30ns - 50ns • Hermetic ELECTRICAL CHARACTERISTICS AND MAXIMUM RATINGS Part Number Working Reverse Voltage Average Rectified Current Reverse Current @ Vrwm Forward Voltage (Vrwm) (Io) (Ir) (Vf) 55°C(1) 100°C(2) 25°C 100°C 25°C Volts Amps Amps µA µA Volts Z20FF3LL Z50FF3LL 2000 5000 2.0 0.8 1.2 0.4 1.0 1.0 25 25 Z20FF5LL Z50FF5LL 2000 5000 2.0 0.8 1.2 0.4 1.0 1.0 25 25 1 Cycle Repetitive Reverse Surge Surge Recovery Current Current Time tp=8.3ms (3) (Ifsm) (Ifrm) (Trr) Thermal Impd. θJ-C Junction C ap. @50VDC @1kHz (Cj) 25°C 25°C 25°C 25°C 25°C Amps Amps Amps ns °C / W pF 6.0 12.5 0.75 0.36 65 22 10 4 30 30 5.0 5.0 20 16 6.0 12.5 0.75 0.36 65 22 10 4 50 50 5.0 5.0 20 16 (1)TC=55°C (2)TC=100°C (3)If=0.5A, Ir=1.0A, Irr=0.25A *Op. Temp.= -65°C to +175°C Stg. Temp.= -65°C to +200°C Part A B Z20FF3LL Z20FF5LL .350(8.89) MAX. .220 .320(8.13) MIN. (5.59) Z50FF3LL Z50FF5LL .390(9.91) MAX. .260 .350(8.89) MIN. (6.60) Dimensions: In. (mm) All temperatures are ambient unless otherwise noted. Voltage Multipliers Inc. 8711 W. Roosevelt Ave. Visalia, CA 93291 USA VOLTAGE MULTIPLIERS INC. 16 Data subject to change without notice. Tel: 559.651.1402 Fax: 559.651.0740 www.voltagemultipliers.com www.highvoltagepowersupplies.com Z20FF3LL/5LL Z50FF3LL/5LL TYPICAL FORWARD VOLTAGE VS. FORWARD CURRENT AT 25°C POWER DERATING 25 25.0 20 Forward Voltage (V) Maximum Power Dissipation (W) 30.0 20.0 15.0 10.0 Z50FF3LL 15 2 10 Z20FF3LL 5 5.0 0.0 0 0 25 50 75 100 125 Lead Temperature (°C) 150 175 0 REVERSE CURRENT VS. TEMPERATURE AT Vrwm 1000 1 2 3 Forward Current (A) 4 5 TYPICAL FORWARD VOLTAGE VS. FORWARD CURRENT AT 25°C 25 Forward Voltage (V) Reverse Current (µA) 20 100 10 Z50FF5LL 15 10 Z20FF5LL 5 1 0 25 50 75 100 Temperature (°C) 125 0 150 TYPICAL REVERSE RECOVERY TIME VS. TEMPERATURE 160 4 5 60.0 Junction Capacitance (pF) Reverse Recovery Time (ns) 2 3 Forward Current (A) TYPICAL JUNCTION CAPACITANCE VS. REVERSE VOLTAGE AT 25°C 70.0 140 1 120 100 80 60 40 50.0 40.0 Z20FF3/5LL Z50FF3/5LL 30.0 20.0 10.0 20 0 0.0 25 50 75 100 Temperature (°C) 125 150 17 0 20 40 60 Reverse Bias Voltage (V) 80 100