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| UG18ACT THRU UG18DCT ULTRAFAST EFFICIENT PLASTIC RECTIFIER Reverse Voltage - 50 to 200 Volts TO-220AB 0.415 (10.54) MAX. 0.370 (9.40) 0.360 (9.14) 0.154 (3.91) 0.185 (4.70) 0.175 (4.44) DIA. 0.148 (3.74) 0.055 (1.39) 0.045 (1.14) Forward Current - 18.0 Amperes FEATURES Plastic package has Underwriters Laboratories Flammability Classification 94V-0 Ideally suited for use in very high frequency switching power supplies, inverters and as a free wheeling diode Ultrafast 25 nanosecond reverse recovery times Soft recovery characteristics Excellent high temperature switching Glass passivated junctions High temperature soldering guaranteed: 250C, 0.16" (4.06mm) case for 10 seconds 0.113 (2.87) 0.103 (2.62) 0.145 (3.68) 0.135 (3.43) 0.560 (14.22) 0.530 (13.46) 0.410 (10.41) 0.390 (9.91) PIN 2 0.635 (16.13) 0.625 (15.87) 1 0.160 (4.06) 0.140 (3.56) 0.560 (14.22) 0.530 (13.46) 3 0.350 (8.89) 0.330 (8.38) 1.148 (29.16) 1.118 (28.40) 0.110 (2.79) 0.100 (2.54) 0.105 (2.67) 0.095 (2.41) 0.037 (0.94) 0.027 (0.68) 0.105 (2.67) 0.095 (2.41) 0.205 (5.20) 0.195 (4.95) 0.022 (0.56) 0.014 (0.35) MECHANICAL DATA PIN 1 PIN 3 PIN 2 CASE Dimensions in inches and (millimeters) Case: JEDEC TO-220AB molded plastic body over passivated chips Terminals: Plated leads solderable per MIL-STD-750, Method 2026 Polarity: As marked Mounting Position: Any Mounting Torque: 5 in. - lbs. max. Weight: 0.08 ounce, 2.24 grams MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25C ambient temperature unless otherwise specified. SYMBOLS UG18ACT UG18BCT UG18CCT UG18DCT UNITS Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current at TC=105C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) per leg at TC=105C Maximum instantaneous forward voltage per leg at 9.0A 20A 5.0A, TJ=100C Maximum DC reverse current TA=25C at rated DC blocking voltage per leg TA=100C Maximum reverse recovery time per leg (NOTE 1) Maximum reverse recovery time per leg TJ=25C TJ=100C (NOTE 2) Maximum recovered stored charge per leg TJ=25C TJ=100C (NOTE 2) Typical junction capacitance per leg (NOTE 3) Typical thermal resistance per leg (NOTE 4) Operating junction and storage temperature range NOTES: (1) Reverse recovery test conditions: IF=0.5A, IR=1.0A, Irr=0.25A (2) trr and Qrr measured at: IF=9.0A, VR=30V, di/dt=50A/s, Irr=10% IRM (3) Measured at 1.0 MHZ and applied reverse voltage of 4.0 Volts (4) Thermal resistance from junction to case per leg VRRM VRMS VDC I(AV) IFSM 50 35 50 100 70 100 18.0 175.0 1.10 1.20 0.95 10.0 300.0 20.0 30.0 50.0 20.0 45.0 30.0 4.0 150 105 150 200 140 200 Volts Volts Volts Amps Amps VF IR trr trr Qrr CJ RJC TJ, TSTG Volts A ns ns nC pF C/W C -65 to +150 4/98 RATINGS AND CHARACTERISTIC CURVES UG18ACT THRU UG18DCT FIG. 1 -FORWARD CURRENT DERATING CURVE FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PER LEG 24 AVERAGE FORWARD CURRENT, AMPERES RESISTIVE OR INDUCTIVE LOAD 1,000 PEAK FORWARD SURGE CURRENT, AMPERES 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) TC=105C 20 16 12 8.0 4.0 0 100 0 25 50 75 100 125 150 175 10 CASE TEMPERATURE, C 1 10 NUMBER OF CYCLES AT 60 HZ 100 INSTANTANEOUS REVERSE LEAKAGE CURRENT, MICROAMPERES FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS PER LEG INSTANTANEOUS FORWARD CURRENT, AMPERES FIG. 4 - TYPICAL REVERSE CHARACTERISTICS PER LEG 100 1,000 TJ=125C 10 TJ=25C PULSE WIDTH=300s 1% DUTY CYCLE 100 10 TJ=100C 1 1 TJ=25C 0.1 0.1 0.01 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 20 40 60 80 100 INSTANTANEOUS FORWARD VOLTAGE, VOLTS PERCENT OF RATED PEAK REVERSE VOLTAGE, % FIG. 5 - REVERSE SWITCHING CHARACTERISTICS PER LEG FIG. 6 - TYPICAL JUNCTION CAPACITANCE PER LEG 60 STORED CHARGE/REVERSE RECOVERY TIME, nC/ns 100 IF=9.0A VR=30V 50 40 30 20 di/dt=20A/s di/dt=50A/s di/dt=100A/s di/dt=50A/s di/dt=150A/s JUNCTION CAPACITANCE, pF di/dt=100A/s TJ=125C f=1.0 MHz Vsig=50MVp-p 10 di/dt=20A/s 10 trr Qrr 0 0 25 50 75 100 125 150 175 1 0.1 1 10 100 JUNCTION TEMPERATURE, C REVERSE VOLTAGE, VOLTS |
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