UF1A THRU UF1M 1.0 AMP. Glass Passivated Ultrafast Plastic Rectifiers Voltage Range 50 to 1000 Volts Current 1.0 Ampere DO-204AL (DO-41) Features Plastic package has Underwriters Laboratory Flammability Classification 94V-O 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: o 260 C/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: Plated axial leads, solderable per MILSTD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.012 ounce, 0.34 gram Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25℃ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol UF1A UF1B Type Number VRRM Maximum Recurrent Peak Reverse Voltage 50 100 VRMS Maximum RMS Voltage 35 70 VDC Maximum DC Blocking Voltage 50 100 Maximum Average Forward Rectified Current .375 (9.5mm) Lead Length @TA = 55℃ 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 @ TA=25℃ at Rated DC Blocking Voltage @ TA=100℃ Maximum Reverse Recovery Time ( Note 1 ) Typical Junction Capacitance ( Note 2 ) UF1D UF1G UF1J UF1K UF1M Units 200 140 200 400 280 400 600 420 600 800 1000 560 700 800 1000 V V V I(AV) 1.0 A IFSM 30 A VF 1.0 1.7 IR Trr Cj 50 75 17.0 60.0 15.0 -55 to + 150 V uA uA 10.0 50.0 nS pF R θJA ℃/W R θJL Operating/Storage Temperature Range TJ, TSTG ℃ Notes: 1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A 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” x0.2” (5mm x 5mm) Cu pads. Typical Thermal Resistance (Note 3) - 366 - RATINGS AND CHARACTERISTIC CURVES (UF1A THRU UF1M) FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE FIG.2- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT. (A) AVERAGE FORWARD CURRENT. (A) 30 1.0 RESISTIVE OR INDUCTIVE LOAD 0.375"(9.5mm) LEAD LENGTH 0.5 0 20 15 10 5 0 10 20 40 60 80 100 120 140 TJ = 55 0C 8.3ms Single Half Sine Wave JEDEC Method 25 160 1 10 o LEAD TEMPERATURE. ( C) 100 NUMBER OF CYCLES AT 60Hz FIG.4- TYPICAL REVERSE CHARACTERISTICS FIG.3- TYPICAL FORWARD CHARACTERISTICS 200 5 TJ=125 0C 100 INSTANTANEOUS REVERSE CURRENT. (mA) UF1J-UF1M INSTANTANEOUS FORWARD CURRENT. (A) 1 o Tj=25 C PULSE WIDTH=300 s 1% DUTY CYCLE 0.1 UF1J-UF1M 0.01 TJ=100OC 10 TJ=125OC O TJ=100 C 1 O TJ=25 C 0.1 UF1A-UF1G UF1J-UF1M 0.001 0.4 0.01 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0 2.0 FIG.5- TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE.(pF) 100 Tj=25 0C f=1.0MHz Vsig=50mVp-p 10 1 0.1 1 20 40 60 80 100 120 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) FORWARD VOLTAGE. (V) 10 100 REVERSE VOLTAGE. (V) - 367 - 140