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| SM4933 THRU SM4937 Features * The plastic package carries Underwrites Laboratory Flammability Classification 94V-0 * For surface mounted applications * Glass passivated junction * High temperature soldering guaranteed : 250E /10 seconds, at terminals CURRENT 1.0 Ampere VOLTAGE 50 to 600 Volts MELF (DO-41) SOLDERABLE ENDS 0.024(0.60) 0.018(0.46) Mechanical Data * Case : JEDEC MELF(DO-41) molded plastic body * Terminals : Lead solderable per MIL-STD-750, method 2026 * Polarity : Color band denotes cathode end * Mounting Position : Any * Weight : 0.0041 ounce, 0.116 gram 0.205(5.20) 0.190(4.80) 0.105(2.70) 0.095(2.40) Dimensions in inches and (millimeters) Maximum Ratings And Electrical Characteristics (Ratings at 25E ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive load. For capacitive load, derate by 20%) Symbols Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current TA=75E Peak forward surge current 8.3ms half sine wave superimposed on rated load (JEDEC method) Maximum instantaneous forward voltage at 1.0A Maximum DC reverse current at rated DC blocking voltage TA=25E TA=100E VRRM VRMS VDC I(AV) IFSM VF IR trr CJ ReJA TJ TSTG SM4933 50 35 50 SM4934 100 70 100 SM4935 200 140 200 1.0 30 1.2 5.0 100 150 15.0 60 -55 to +150 -55 to +150 SM4936 400 280 400 SM4937 600 420 600 Units Volts Volts Volts Amp Amps Volts i A ns pF E /W E Maximum reverse recovery time (Note 3) Typical junction capacitance (Note 1) Typical thermal resistance (Note 2) Operating and storage temperature range Notes: (1) Measured at 1MHz and applied reverse voltage of 4.0V DC. (2) Thermal resistance from junction to ambient. (3) Reverse recovery test conditions : IF=0.5A, IR=1.0A, IRR=0.25A RATINGS AND CHARACTERISTIC CURVES SM4933 THRU SM4937 FIG.1- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM NONINDUCTIVE DUT 50 NONINDUCTIVE (-) PULSE GENERATOR ( NOTE 2 ) (+) 10 +0.5A 0 -0.25A trr (+ ) 50Vdc (approx) (-) NON INDUCTIVE OSCILLOSCOPE (NOTE 1) NOTES: 1. Rise Time=7ns max. Input Impedanec= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms -1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm AVERAGE FORWARD RECTIFIED CURRENT AMPERES .8 .6 .4 .2 0 0 P.C.B. MONTED ON 0.2X0.2" (5.0X5.0mm)COPPER AREAS PADS INSTANTANEOUS FORWARD CURRENT. (A) 1.0 FIG.2- MAXIMUM FORWARD CURRENT DERATING CURVE FIG.5- TYPICAL FORWARD CHARACTERISTICS 20 10 3.0 1.0 0.3 0.1 .03 .01 0.6 0.8 1.0 1.2 1.4 1.6 1.8 FORWARD VOLTAGE. (V) 2.0 25 50 75 100 125 150 O AMBIENT TEMPERATURE. ( C) 175 PEAK FORWARD SURGE CURRENT.AMPERES Tj=25 OC Pulse Width=300us 1% Duty Cycie 30 20 FIG.3- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT TA=75OC 8.3ms Single Half Sine Wave JEDEC Method 10 0 INSTANTANEOUS REVERSE CURRENT. (mA) 1.0 CYCLE FIG.6- TYPICAL REVERSE CHARACTERISTICS 100 1 2 4 6 8 10 20 40 6 0 80 10 0 NUMBER OF CYCLES AT 60Hz Tj=100 OC JUNCTION CAPACITANCE.(pF) 20 10 FIG.4- TYPICAL JUNCTION CAPACITANCE 10 Tj=25 OC 1.0 Tj=25 C O f=1 Mhz Vsig=50mVp-p 1 .10 1 10 REVERSE VOLTAGE. (V) 100 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) |
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