UF800 THRU UF808 ULTRAFAST SWITCHING RECTIFIER VOLTAGE - 50 to 800 Volts CURRENT - 8.0 Amperes FEATURES l Plastic package has Underwriters Laboratory Flammability Classification 94V-O Utilizing Flame Retardant Epoxy Molding Compound l Exceeds environmental standards of MIL-S-19500/228 l Low power loss, high efficiency l Low forward voltage, high current capability l High surge capacity l Ultra Fast recovery times high voltage TO-220AC MECHANICAL DATA Case: TO-220AC molded plastic Terminals: Lead solderable per MIL-STD-202, Method 208 Polarity: As marked Mounting Position: Any Weight: 0.08 ounce, 2.24 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ¢J ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20% TYPE NUMBER UF800 UF801 UF802 UF803 UF804 UF806 UF808 Maximum Recurrent Peak Reverse Voltage 50 100 200 300 400 600 800 Maximum RMS Voltage 35 70 140 210 280 420 560 Maximum DC Blocking Voltage 50 100 200 300 400 600 800 Maximum Average Forward Rectified 8.0 Current .375”(9.5mm) lead length @ TC=100 ¢J Peak Forward Surge Current, 8.3ms single half sine 125 wave superimposed on rated load(JECEC method) Maximum Instantaneous Forward Voltage at 8.0A 1.0 1.3 1.7 10. 0 Maximum DC Reverse Current @TA=25 ¢J 500 at Rated DC Blocking Voltage @TA=125 ¢J Maximum Reverse Recovery Time(Note 1) 50 100 Typical Junction capacitance (Note 2) 80 50 15 Typical Junction Resistance (Note 2) R £KJA Operating and Storage Temperature Range TJ,TSTG -55 to +150 NOTES: 1. Reverse Recovery Test Conditions: IF=0.5A, IR=1A, Irr=0.25A 2. Measured at 1 MHz and applied reverse voltage of 4.0 VDC 3. Thermal resistance from junction to ambient and from junction to lead length 0.375"(9.5mm) P.C.B. mounted UNITS V V V A A V £g A £g A ns PF ¢J /W ¢J RATING AND CHARACTERISTIC CURVES UF800 THRU UF808 trr +0.5A 0 -0.25 -1.0 NOTE:1.Rise Time = 7ns max. Input Impedance = 1 megohm. 22pF 2.Rise Time = 10ns max. 1cm SET TIME BASE FOR 50 ns/cm Source Impedance = 50 Ohms Fig. 1-REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 12 8 4 0 0 50 100 150 CASE TEMPERATURE, ¢J PEAK FORWARD CURRENT AMPERES Fig. 1-TYPICAL FORWARD CURRENT DERATING CURVE TJ = 125 ¢J 100 10 TJ = 25 ¢J 1.0 125 0.1 100 TJ = 125 ¢J 8.3ms SINGLE HALF SINCEWAVE JEDEC METHOD 75 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE 50 Fig. 2-TYPICAL REVERSE CHARACTERISTICS 25 80 40 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz Fig. 3-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 210 CAPACITANCE, (pF) INSTANTANEOUS REVERSE CURRENT, MICROAMPERES 1000 16 200 160 120 80 UF800 40 UF808 20 INSTANTANEOUS FORWARD CURRENT, (A) PEAK FORWARD CURRENT, AMPERES 20 UF800 10 3.0 UF808 1.0 0.3 0.1 0.03 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.8 0 1 2 5 20 50 100 200 500 FORWARD VOLTAGE, VOLTS REVERSE VOLTAGE, VOLTS Fig. 4-TYPICAL JUNCTION CAPACITANCE Fig. 5-TYPICAL FORWARD CURRENT