SMH308C 3.0 AMP SURFACE MOUNT HIGH EFFICIENCY RECTIFIERS VOLTAGE RANGE 1000 Volts CURRENT 3.0 Amperes FEATURES * Ideal for surface mount applications * Easy pick and place * Built-in strain relief * Low forward voltage drop DO-214AB(SMC) .245(6.22) .220(5.59) .124(3.15) .108(2.75) MECHANICAL DATA * Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant * Metallurgically bonded construction * Polarity: Color band denotes cathode end * Mounting position: Any * Weight: 0.21 grams .280(7.11) .260(6.60) .012(0.31) .006(0.15) .103(2.62) .079(2.00) .008 MAX. (.203) .320(8.13) .305(7.75) .050(1.27) .030(0.76) Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 25 C ambient temperature uniess otherwies specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. TYPE NUMBER SMH308C UNITS 1000 700 1000 V V V .375"(9.5mm) Lead Length at Ta=50 C Peak Forward Surge Current, 8.3 ms single half sine-wave 3.0 A superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 3.0A Maximum DC Reverse Current Ta=25 C 150 1.85 10 A V A 200 70 75 -65 +150 A nS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at Rated DC Blocking Voltage Ta=100 C Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range TJ, TSTG NOTES: 1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1MHz and applied reverse voltage of 4.0V D.C. pF C RATING AND CHARACTERISTIC CURVES (SMH308C) FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE FIG.1-TYPICAL FORWARD CHARACTERISTICS AVERAGE FORWARD CURRENT,(A) 1.0 .1 3.0 2.5 2.0 Single Phase 1.5 Half Wave 60Hz Resistive Or Inductive Load 1.0 0.375"(9.5mm) Lead Length 0.5 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE ( C) Tj=25 C Pulse Width 300us 1% Duty Cycle .01 FIG.4-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT .6 .8 1.0 1.2 1.4 1.6 1.8 FORWARD VOLTAGE,(V) FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTICS 50W NONINDUCTIVE 10W NONINDUCTIVE ( ) (+) D.U.T. 25Vdc (approx.) PULSE GENERATOR (NOTE 2) ( ) 150 PEAK FORWARD SURGE CURRENT,(A) .001 .4 (+) 1W NONINDUCTIVE 120 90 8.3ms Single Half Tj=25 C Sine Wave 60 JEDEC method 30 0 1 OSCILLISCOPE (NOTE 1) 5 50 10 100 NUMBER OF CYCLES AT 60Hz NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF. 2. Rise Time= 10ns max., Source Impedance= 50 ohms. FIG.5-TYPICAL JUNCTION CAPACITANCE 175 trr JUNCTION CAPACITANCE,(pF) INSTANTANEOUS FORWARD CURRENT,(A) 10 | | | | | | | | +0.5A 0 -0.25A -1.0A 150 125 100 75 50 25 1cm SET TIME BASE FOR 50 / 10ns / cm 0 .01 .05 .1 .5 1 REVERSE VOLTAGE,(V) 5 10 50 100