SDA345 Solid State Devices, Inc. 14701 Firestone Blvd * La Mirada, Ca 90638 Phone: (562) 404-4474 * Fax: (562) 404-1773 [email protected] * www.ssdi-power.com ULTRA FAST RECOVERY HIGH VOLTAGE ASSEMBLY Up To 18KV @ 250mA Designer’s Data Sheet 125KHz Operating Frequency Part Numbe r/Ordering Information 1/ SDA345 __ FEATURES: • • • • • └ Screening 2/ __ = Not Screened TX = TX Level TXV = TXV S = S Level • • • • Designed For Use With High Voltage Switching Power Supplies Discretes and Assemblies Screened to TX, TXV, or S Level High Reverse Transient Energy Capabilities Void Free, Hermetically Sealed, Metallurgically Bonded Discretes Single Junction Discretes Provide Superior Thermal Properties Than Designs Using Multi-junction Discretes Isolated Aluminum Heat Sink with Special Epoxy Encapsulation Provides Superior Power Dissipation All Internal Devices are Matched & Selected Unique Construction Techniques Guarantee 100% Corona Free Operation Consult Factory for Higher Voltages and Currents and Alternate Bridge Configurations MAXIMUM RATINGS PER LEG ELECTRICAL CHARACTERISTICS PER LEG Rating 1/ Symbol Value Unit Characteristic 1/ Peak Repetitive Reverse Voltage and DC Blocking Voltage VRM(rep) Vr 3,000 Volts RMS Reverse Voltage Vr 2,100 Volts Half Wave Rectified Forward Current Averaged Over Full Cycle 2/ IO 1 Amps IFM(rep) 6 Amps IFM(surge) 25 Amps Operating & Storage Temperature TJ, Tstg -55 to +125 Reverse Recovery Time 5/ trr 60 Peak Repetitive Forward Current Peak Surge Current 3/ 4/ Symbol Value Unit Max. Full Cycle Forward Voltage Drop, Averaged Over Full Cycle 6/ VF (AV) 2.85 Vdc Max. Instantaneous Forward Voltage Drop 7/ VF 5.7 Vdc Max. Full Cycle Leakage Current Averaged Over Full Cycle 8/ IR (AV) 100 μAdc Max. Reverse Leakage Current 9/ IR 5 μAdc Max. Junction Capacitance 10/ CJ 4 pf O C ns NOTES: 1/ Unless Otherwise Specified, All Electrical Characteristics @25ºC. 2/ Resistive Load, 50Hz, Sine Wave, TC=25OC. 3/ TC=55OC, 8.3ms Pulse, Allow Junction to Reach Equilibrium Between Pulses. 4/ TC=55OC, 8.3ms Pulse, Superimposed on Rated Current at Rated Voltage. 5/ Recovery Conditions: IF = 0.5 Amp, IR = 1.0 Amp rec. to .25 Amp, tested on each individual diode before assembly. NOTE: All specifications are subject to change without notification. SCD's for these devices should be reviewed by SSDI prior to release. 6/ IO (MAX), 60Hz, Square Wave, TC = 55OC. 7/ IF = 1 Adc, TC = 25OC, 300 μs Pulse. 8/ Rated VR, 60Hz, Square Wave, TC = 100OC. 9/ Rated VR, TC = 25OC. 10/ VR = 100V, TC = 25OC. DATA SHEET #: RA0072A DOC SDA345 Solid State Devices, Inc. 14701 Firestone Blvd * La Mirada, Ca 90638 Phone: (562) 404-4474 * Fax: (562) 404-1773 [email protected] * www.ssdi-power.com SDA345 OUTLINE and SCHEMATIC DRAWING: *For information on curves, contact the Factory Representative for Engineering Assistance.