UG1A THRU UG1D ULTRAFAST EFFICIENT PLASTIC RECTIFIER Reverse Voltage - 50 to 200 Volts Forward Current - 1.0 Ampere FEATURES DO-204AL 1.0 (25.4) MIN. 0.107 (2.7) 0.080 (2.0) DIA. 0.205 (5.2) 0.160 (4.1) ♦ 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 recovery time for high efficiency ♦ Soft recovery characteristics ♦ Excellent high temperature switching ♦ Glass passivated junction ♦ High temperature soldering guaranteed: 250°C/10 seconds, 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension MECHANICAL DATA 1.0 (25.4) MIN. 0.034 (0.86) 0.028 (0.71) DIA. Dimensions in inches and (millimeters) Case: JEDEC DO-204AL, molded plastic body over passivated chip Terminals: Axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.012 ounce, 0.34 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. SYMBOLS UG1A UG1B Maximum repetitive peak reverse voltage VRRM 50 100 150 200 Volts Maximum RMS voltage VRMS 35 70 105 140 Volts Maximum DC blocking voltage VDC 50 100 150 200 Volts Maximum average forward rectified current 0.375" (9.5mm) lead length at TL=75°C I(AV) 1.0 Amp Peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) at TL=75°C IFSM 40.0 Amps VF 0.95 Volts IR 5.0 200.0 µA Maximum instantaneous forward voltage at 1.0A Maximum DC reverse current at rated DC blocking voltage TA= 25°C TA=100°C Maximum reverse recovery time (NOTE 1) Maximum reverse recovery time (NOTE 2) Maximum recovered stored charge (NOTE 2) Typical junction capacitance (NOTE 3) Typical thermal resistance (NOTE 4) Operating and storage temperature range UG1D UNITS trr 15.0 ns TJ=25°C TJ=100°C trr 25.0 35.0 ns TJ=25°C TJ=100°C Qrr 8.0 12.0 nC CJ 7.0 pF RΘJA RΘJL 60.0 20.0 °C/W TJ, TSTG -55 to +150 °C NOTES: (1) Reverse recovery test conditions: IF=0.5A, IR =1.0A, Irr=0.25A (2) trr and Qrr measured at: IF=1.0A VR=30V, di/dt=50A/µs, Irr=10% IRM for measurement of trr (3) Measured at 1.0 MHZ and applied reverse voltage of 4.0 Volts (4) Thermal resistance from junction to ambient and from junction to lead at 0.375" (9.5mm) lead length 4/98 UG1C RATINGS AND CHARACTERISTIC CURVES UG1A THRU UG1D FIG. 1 - FORWARD CURRENT DERATING CURVES 100 RESISTIVE OR INDUCTIVE LOAD 0.375” (9.5mm) LEAD LENGTH TL, LEAD TEMPERATURE 1.25 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD RECTIFIED CURRENT, AMPERES 1.5 FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 1.0 0.75 0.5 TA, AMBIENT TEMPERATURE ON 0.25 P.C.B. MOUNTED 0.5 x 0.5” (12 x 12mm) COPPER PAD AREAS 0 0 25 50 75 100 125 150 10 1 175 TL=75°C 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 1 10 TEMPERATURE, °C FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG. 4 - TYPICAL REVERSE CHARACTERISTICS 100 TJ=100°C INSTANTANEOUS REVERSE CURRENT, MICROAMPERES INSTANTANEOUS FORWARD CURRENT, AMPERES 100 TJ=25°C 10 PULSE WIDTH=300µs 1% DUTY CYCLE 1 0.1 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 10 TJ=100°C 1 0.1 0.01 0 INSTANTANEOUS FORWARD VOLTAGE, VOLTS IF=1.0A VR=30V di/dt=20A/µs di/dt=50A/µs 30 di/dt=100A/µs di/dt=150A/µs di/dt=150A/µs di/dt=100A/µs 20 10 di/dt=50A/µs di/dt=20A/µs 25 60 80 50 75 100 125 150 JUNCTION TEMPERATURE, °C 100 TJ=25°C f=1.0 MHZ Vsig=50mVp-p trr Qrr 40 0 40 FIG. 6 - TYPICAL JUNCTION CAPACITANCE 50 0 20 100 175 JUNCTION CAPACITANCE, pF 60 TJ=25°C PERCENT OF RATED PEAK REVERSE VOLTAGE, % FIG. 5 - REVERSE SWITCHING CHARACTERISTICS STORED CHARGE/REVERSE RECOVERY TIME, nC/ns 100 NUMBER OF CYCLES AT 60 Hz 10 1 0.1 1 10 REVERSE VOLTAGE, VOLTS 100