UG2A THRU UG2D SUPER FAST RECTIFIERS Reverse Voltage – 50 to 200 Volts Forward Current – 2.0 Amperes Features • • • • Super fast switching for high efficiency Low reverse leakage High forward surge current capability High temperature soldering guaranteed: 250℃/10 seconds, 0.375”(9.5mm) lead length, 5 lbs (2.3kg) tension Mechanical Data • Case: Molded plastic, JEDEC DO-15 • Lead: Plated axial leads, solderable per MIL-STD-750, method 2026 guaranteed • Polarity: color band denotes cathode end • Mounting position: Any • Weight: 0.014 ounce, 0.4 gram Maximum Ratings and Electrical Characteristics Rating at 25oC ambient temperature unless otherwise specified. Single-phase, half wave, 60Hz, resistive or inductive load, for current capacitive load current derate by 20%. Symbols UG2A UG2B UG2C UG2D Maximum recurrent peak reverse voltage VRRM 50 100 150 200 V Maximum RMS voltage VRMS 35 70 105 140 V Maximum DC blocking voltage VDC 50 100 150 200 V Maximum average forward rectified O current .375”(9.5mm) lead length at TA = 55 C I(AV) 2.0 A Peak forward surge current , 8.3ms single half sine-wave superimposed on rated load (JEDEC method) IFSM 80.0 A VF 0.95 V IR IR 5.0 50.0 uA uA Maximum reverse recovery time (Note 1) Trr 35 nS Typical junction capacitance (Note 2) CJ 15.0 pF RθJA 15.0 Operating temperature range TJ -65 to +150 O C Storage temperature range TS -65 to +150 O C Maximum instantaneous forward voltage @ 2.0A Maximum DC reverse current at rated DC blocking voltage O @ TA = 25 C O @ TA = 100 C Typical thermal resistance (Note3) Units O C/W Note: 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 Volts D.C. 3. Thermal Resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted. SEMTECH ELECTRONICS LTD. ® (Subsidiary of Semtech International Holdings Limited, acompany listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 22/07/2004 UG2A THRU UG2D FIG.1-FORWARD CURRENT DERATING CURVE FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 80 PEAK FORWARD SURGE CURRENT,AMPERES AVERAGE FORWARD RECTIFIED CURRENT.AMPERES 2.0 1.6 1.2 0.8 Single Phase Half Wave 60Hz Resistive or inductive Load 0.4 0 0 25 50 75 100 125 150 175 64 48 32 16 0 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 1 10 AMBIENT TEMPERATURE, °C 100 NUMBER OF CYCLES AT 60Hz FIG.4-TYPICAL REVERSE CHARACTERISTICS 1.000 10 100 TJ=25°C PULSE WIDTH=300 us 1%DUTY CYCLE 1 0.1 0.01 0.4 0 1.2 0.8 1.6 1.8 INSTANTANEOUS FORWARD VOLTAGE, VOLTS INSTANTANEOUS REVERSE CURRENT,MICROAMPERES INSTANTANEOUS FORWARD CURRENT,AMPERES 20 FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 10 TJ=100°C 1 0.1 TJ=25°C 0.01 20 0 40 60 80 100 PERCENT OF PEAK REVERSE VOLTAGE,% FIG.5-TYPICAL JUNCTION CAPACITANCE FIG.6-TYPICAL TRANSIENT THERMAL IMPEDANCE 200 10 1 0.1 1.0 10 REVERSE VOLTAGE,VOLTS 100 TRANSIENT THERMAL IMPEDANCE, °C/W 100 JUNCTION CAPACITANCE,PF 100 TJ=25°C 10 1 0.1 0.01 0.1 1 10 100 t,PULSE DURATION,sec. SEMTECH ELECTRONICS LTD. ® (Subsidiary of Semtech International Holdings Limited, acompany listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 22/07/2004