NEW PRODUCT NEW PRODUCT NEW PRODUCT UGF18ACT THRU UGF18DCT ULTRAFAST EFFICIENT PLASTIC RECTIFIER Reverse Voltage - 50 to 200 Volts FEATURES ITO-220AB 0.188 (4.77) 0.172 (4.36) 0.405 (10.27) 0.383 (9.72) 0.110 (2.80) 0.100 (2.54) 0.131 (3.39) DIA. 0.122 (3.08) 0.140 (3.56) DIA. 0.130 (3.30) 0.600 (15.5) 0.580 (14.5) 0.670 (17.2) 0.646 (16.4) PIN 1 2 3 0.350 (8.89) 0.330 (8.38) 0.191 (4.85) 0.171 (4.35) 0.560 (14.22) 0.530 (13.46) Forward Current - 18.0 Amperes ♦ 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: 250°C, 0.25" (6.35mm) from case for 10 seconds 0.110 (2.80) 0.100 (2.54) 0.060 (1.52) MECHANICAL DATA 0.037 (0.94) 0.027 (0.69) 0.205 (5.20) 0.195 (4.95) 0.105 (2.67) 0.095 (2.41) 0.022 (0.55) 0.014 (0.36) PIN 1 PIN 2 PIN 3 Dimensions in inches and (millimeters) Case: JEDECITO-220AB molded plastic body Terminals: Plated leads solderable per MIL-STD-750, Method 2026 Polarity: As marked Mounting Position: Any Weight: 0.08 ounce, 2.24 grams Mounting Torque: 5 in. - lbs. max. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current at TC=105°C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) per leg at TC=105°C Maximum instantaneous forward voltage per leg at 9.0A 20A 5.0A, TJ=100°C Maximum DC reverse current TA=25°C at rated DC blocking voltage per leg TA=100°C Maximum reverse recovery time (NOTE 1) Maximum reverse recovery time TJ=25°C TJ=100°C (NOTE 2) Maximum recovered stored charge TJ=25°C TJ=100°C (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=9.0A, VR=30V, di/dt=50A/µs, 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 4/98 SYMBOLS UGF18ACT UGF18BCT UGF18CCT UGF18DCT UNITS VRRM VRMS VDC 50 35 50 100 70 100 150 105 150 200 140 200 Volts Volts Volts I(AV) 18.0 IFSM 175.0 VF IR trr trr Qrr 1.10 1.20 0.95 10.0 300.0 20.0 30.0 50.0 20.0 45.0 Amps Amps Volts µA ns ns nC CJ RΘJC 30.0 4.0 pF °C/W TJ, TSTG -65 to +150 °C RATINGS AND CHARACTERISTIC CURVES UGF18ACT THRU UGF18DCT FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PER LEG FIG. 1 -FORWARD CURRENT DERATING CURVE 1,000 RESISTIVE OR INDUCTIVE LOAD 20 16 12 8.0 4.0 0 0 25 50 75 100 125 150 175 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT, AMPERES 24 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) TC=105°C 100 10 CASE TEMPERATURE, °C 100 10 1 NUMBER OF CYCLES AT 60 HZ 100 TJ=25°C PULSE WIDTH=300µs 1% DUTY CYCLE 10 1 0.1 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE, VOLTS FIG. 5 - REVERSE SWITCHING CHARACTERISTICS PER LEG TJ=125°C 100 TJ=100°C 10 1 TJ=25°C 0.1 0.01 0 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE, % FIG. 6 - TYPICAL JUNCTION CAPACITANCE PER LEG di/dt=100A/µs IF=9.0A VR=30V 50 di/dt=20A/µs 40 di/dt=50A/µs di/dt=100A/µs di/dt=50A/µs di/dt=150A/µs 30 20 di/dt=20A/µs 10 trr Qrr 0 25 50 75 100 125 150 175 JUNCTION TEMPERATURE, °C JUNCTION CAPACITANCE, pF STORED CHARGE/REVERSE RECOVERY TIME, nC/ns 1,000 100 60 0 FIG. 4 - TYPICAL REVERSE CHARACTERISTICS PER LEG INSTANTANEOUS REVERSE LEAKAGE CURRENT, MICROAMPERES INSTANTANEOUS FORWARD CURRENT, AMPERES FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS PER LEG TJ=125°C f=1.0 MHz Vsig=50MVp-p 10 1 0.1 1 10 REVERSE VOLTAGE, VOLTS 100