Description
www.DataSheet4U.com UG8AT THRU UG8DT ULTRAFAST EFFICIENT PLASTIC RECTIFIER Reverse Voltage - 50 to 200 Volts TO-220AC 0.185 (4.70) 0.415 (10.54) MAX. 0.370 (9.40) 0.360 (9.14) 0.154 (3.91) DIA. 0.148 (3.74) 0.055 (1.39) 0.045 (1.14) 0.175 (4.44) Forward Current - 8.0 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 reverse recovery time for high efficiency ♦ Soft recovery characteristics ♦ Excellent high temperature switching ♦ Glass passivated chip junction ♦ High temperature soldering guaranteed: 250°C, 0.16” (4.06) from 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 1 0.160 (4.06) 0.140 (3.56) 0.560 (14.22) 0.530 (13.46) 2 0.635 (16.13) 0.625 (15.87) 0.350 (8.89) 0.330 (8.38) 1.148 (29.16) 1.118 (28.40) 0.110 (2.79) 0.100 (2.54) MECHANICAL DATA 0.105 (2.67) 0.095 (2.41) 0.037 (0.94) 0.027 (0.68) 0.022 (0.56) 0.014 (0.36) PIN 1 0.205 (5.20) 0.195 (4.95) PIN 2 CASE Dimensions in inches and (millimeters) Case: JEDEC TO-220AC molded plastic body over passivated chip Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: As marked Mounting Position: Any Mounting Torque: 5in. - lbs. max. Weight: 0.064 ounce, 1.81 grams MAXIMUM RATINGS AND CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. SYMBOLS UG8AT UG8BT UG8CT UG8DT UNITS Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current at TC=100°C Peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) at TC=100°C Maximum instantaneous forward voltage at 8.0 20A 5.0A, TJ=150°C Maximum DC reverse current at rated DC blocking voltage Maximum reverse recovery time (NOTE 1) Maximum reverse recovery time (NOTE 2) VRRM VRMS VDC I(AV) IFSM 50 35 50 100 70 100 8.0 150 105 150 200 140 200 Volts Volts Volts Amps Amps 150.0 1.00 1.20 0.95 10.0 300.0 20.0 30.0 50.0 20.0 45.0 45.0 4.0 -55 to+150 VF IR trr Volts µA ns ns nC pF °C/W °C TA=25°C TA=100°C TJ=25°C TJ=100°C TJ=25°C TJ=100°C trr Qrr CJ RΘJC TJ, TSTG Maximum recovered stored charge (NOTE 2) Typical junction capacitance (NOTE 3) Typical thermal resistance (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=8.0A, VR=30V, di/dt=50A/µs, Irr=10% IRM for meaurement of trr (3) Measured at 1.0 MHZ and applied reverse voltage of 4.0 Volts (4) Thermal resistance from junction to case 10/23/98 RATINGS AND CHARACTERISTIC CURVES UG8AT THRU UG8DT FIG. 1 - FORWARD CURRENT DERATING CURVE FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT AVERAGE FORWARD RECTIFIED CURRENT, AMPERES 12 10 8.0 6.0 4.0 2.0 0 0 25 50 RESISTIVE OR INDUCTIVE LOAD 1,000 PEAK FORWARD SURGE CURRENT, AMPERES TC=100°C 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 100 75 100 125 150 175 10 1 10 NUMBER OF CYCLES AT 60 Hz CASE TEMPERATURE, °C 100 100 INSTANTANEOUS FORWARD CURRENT, AMPERES INSTANTANEOUS REVERSE LEAKAGE CURRENT, MICROAMPERES FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG. 4 - TYPICAL REVERSE CHARACTERISTICS 1,000 TJ=125°C 10 TJ=25°C PULSE WIDTH=300µs 1% DUTY CYCLE 100 TJ=100°C 10 1 1 TJ=25°C 0.1 0.1 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0.01 0 20 40 60 80 100 INSTANTANEOUS FORWARD VOLTAGE, VOLTS PERCENT OF RATED PEAK REVERSE VOLTAGE, % RECOVERED STORED CHARGE/REVERSE RECOVERY TIME nC/ns FIG. 5 - REVERSE SWITCHING CHARACTERISTICS FIG. 6 - TYPICAL JUNCTION CAPACITANCE 60 50 IF=4.0A VR=30V di/dt= 150A/µs 100 di/dt=100A/µs di/dt=20A/µs 40 30 20 JUNCTION CAPACITANCE, pF TJ=25°C f=1.0 MHZ Vsig=50mVp-p di/dt=50A/µs di/dt=100A/µs di/dt=50A/µs di/dt=150A/µs 10 1 di/dt=20A/µs 10 trr Qrr 0 0 25 50 75 100 125 150 175 0.1 0.01 0.1 1 10 100 JUNCTION TEMPERATURE, °C REVERSE VOLTAGE, VOLTS

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UG8DT

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