UF1A - UF1M 1.0 AMP. Glass Passivated High Efficient Rectifiers DO-41 / DO-204AL Features Plastic package has Underwriters Laboratory Flammability Classification 94V0 Ideally suited for use in very high frequency switching power supplies, inverters and as free wheeling diodes Glass passivated chip junction Excellent high temperature switching Ultrafast recovery time for high efficiency Soft recovery characteristics High temperature soldering guaranteed: 260 oC/10 seconds/.375”,(9.5mm) lead lengths at 5 lbs., (2.3kg) tension Mechanical Data Case: JEDEC DO-204AL molded plastic body over passivated chip Terminals: Pure tin plated, lead free, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode Mounting Position: Any Weight: 0.012 ounce, 0.34 gram Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25 oC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Type Number Symbol UF1A UF1B UF1D UF1G Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375 (9.5mm) Lead Length @T A = 55 oC Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 1.0A Maximum DC Reverse Current @ T A =25 o C at Rated DC Blocking Voltage @ T A =125 oC Maximum Reverse Recovery Time ( Note 1 ) Typical Junction Capacitance ( Note 2 ) Typical Thermal Resistance (Note 3) V RRM V RMS V DC 50 35 50 100 70 100 200 140 200 400 280 400 UF1J 600 420 600 UF1K UF1M 800 560 800 Units 1000 700 1000 V V V I(AV) 1.0 A IFSM 30 A VF 1.0 R θJA R θJL V 5.0 150 IR Trr Cj 1.7 50 uA uA nS pF 75 17 60 15 -55 to + 150 o C/W o Operating/Storage Temperature Range T J, T STG C 1. Reverse Recovery Test Conditions: I =0.5A, I =1.0A, I =0.25A Notes: F R RR 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C. 3. Thermal Resistance from junction to ambient and from Junction to Lead length .375” (9.5mm), Mounted on 0.2” x 0.2” (5mm x 5mm) Cu pads. Version: A06 RATINGS AND CHARACTERISTIC CURVES (UF1A THRU UF1M) FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE FIG.2- TYPICAL FORWARD CHARACTERISTICS RESISTIVE OR INDUCTIVE LOAD 0.375"(9.5mm) LEAD LENGTH UF1J-UF1M INSTANTANEOUS FORWARD CURRENT. (A) AVERAGE FORWARD CURRENT. (A) 5 1.0 0.5 0 10 20 40 60 80 100 120 140 160 o LEAD TEMPERATURE. ( C) FIG.3- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 1 o Tj=25 C PULSE WIDTH=300 s 1% DUTY CYCLE 0.1 UF1J-UF1M 0.01 TJ = 55 0C 8.3ms Single Half Sine Wave JEDEC Method 25 0.001 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 FORWARD VOLTAGE. (V) 20 15 FIG.5- TYPICAL REVERSE CHARACTERISTICS 10 200 5 TJ=125 0C 100 1 10 100 INSTANTANEOUS REVERSE CURRENT. (mA) 0 NUMBER OF CYCLES AT 60Hz 100 FIG.4- TYPICAL JUNCTION CAPACITANCE UF JUNCTION CAPACITANCE.(pF) PEAK FORWARD SURGE CURRENT. (A) 30 UF1 1J- UF 1M A-U F1G 10 O TJ=100 C 10 O TJ=125 C TJ=100OC 1 O TJ=25 C 0.1 Tj=25 0C f=1.0MHz Vsig=50mVp-p 1 0.1 1 10 UF1A-UF1G UF1J-UF1M 0.01 100 0 REVERSE VOLTAGE. (V) 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50W NONINDUCTIVE 10W NONINDUCTIVE trr +0.5A (-) DUT (+) 50Vdc (approx) (-) PULSE GENERATOR (NOTE 2) 1W NON INDUCTIVE OSCILLOSCOPE (NOTE 1) NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms 0 -0.25A (+) -1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm Version: A06