RA0072_15 SSDI | Alldatasheet
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Technical content
Solid State Devices, Inc.
14701 Firestone Blvd * La Mirada, Ca 90638
Phone: (562) 404-4474 * Fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com Designer’s Data Sheet Part Numbe r/Ordering Information 1/ SDA345 __ └ Screening 2/ __ = Not Screened TX = TX Level TXV = TXV S = S Level SDA345 ULTRA FAST RECOVERY HIGH VOLTAGE ASSEMBLY Up To 18KV @ 250mA 125KHz Operating Frequency FEATURES:
- 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 NOTES: 1/ Unless Otherwise Specified, All Electrical Characteristics @25ºC. 6/ IO (MAX), 60Hz, Square Wave, TC = 55OC. 2/ Resistive Load, 50Hz, Sine Wave, TC=25OC . 7/ IF = 1 Adc, TC = 25OC, 300 μs Pulse. 3/ TC=55OC, 8.3ms Pulse, Allow Junction to Reach Equilibrium Between Pulses. 8/ Rated VR, 60Hz, Square Wave, TC = 100OC. 4/ TC=55OC, 8.3ms Pulse, Superimposed on Rated Current at Rated Voltage. 9/ Rated VR, TC = 25OC. tested on each individual diode before assembly. MAXIMUM RATINGS PER LEG
ELECTRICAL CHARACTERISTICS
Rating 1/ Symbol Value Unit Characteristic 1/ Symbol Value Unit Peak Repetitive Reverse Voltage and DC Blocking Voltage VRM(rep) Vr 3,000 Volts Max. Full Cycle Forward Voltage Drop, Averaged Over Full Cycle 6/ VF (AV) 2.85 Vdc RMS Reverse Voltage Vr 2,100 Volts Max. Instantaneous Forward Voltage Drop 7/ VF 5.7 Vdc Half Wave Rectified Forward Current Averaged Over Full Cycle 2/ IO 1 Amps Peak Repetitive Forward Current 3/ IFM(rep) 6 Amps Max. Full Cycle Leakage Current Averaged Over Full Cycle 8/ IR (AV) 100 μAdc Peak Surge Current 4/ IFM(surge) 25 Amps Max. Reverse Leakage Current 9/ I R 5 μAdc Operating & Storage Temperature TJ, Tstg -55 to +125 OC Max. Junction Capacitance 10/ CJ 4 pf Reverse Recovery Time 5/ trr 60 ns NOTE: All specifications are subject to change without notification. SCD's for these devices should be reviewed by SSDI prior to release. DATA SHEET #: RA0072A DOC
SDA345 OUTLINE and SCHEMATIC DRAWING: *For information on curves, contact the Factory Representative for Engineering Assistance. Solid State Devices, Inc. Phone: (562) 404-4474 * Fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com SDA345