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SM4933 Dataheets PDF



Part Number SM4933
Manufacturers Formosa MS
Logo Formosa MS
Description 1.0 AMP SURFACE MOUNT FAST RECOVERY RECTIFIERS
Datasheet SM4933 DatasheetSM4933 Datasheet (PDF)

SM4933 THRU SM4937 1.0 AMP SURFACE MOUNT FAST RECOVERY RECTIFIERS VOLTAGE RANGE 50 to 600 Volts CURRENT FEATURES * Low forward voltage drop * Low leakage current * High reliability 1.0 Ampere SM-1 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: 0.015 grams .205(5.2) .190(4.8) .024(.60) .018(.46) SOLDERABLE ENDS .105(2.7) .095(2.4) Dimensions.

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SM4933 THRU SM4937 1.0 AMP SURFACE MOUNT FAST RECOVERY RECTIFIERS VOLTAGE RANGE 50 to 600 Volts CURRENT FEATURES * Low forward voltage drop * Low leakage current * High reliability 1.0 Ampere SM-1 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: 0.015 grams .205(5.2) .190(4.8) .024(.60) .018(.46) SOLDERABLE ENDS .105(2.7) .095(2.4) 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 Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375"(9.5mm) Lead Length at Ta=55 C Peak Forward Surge Current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 1.0A Maximum DC Reverse Current Ta=25 C 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: SM4933 50 35 50 SM4934 100 70 100 SM4935 200 140 200 1.0 30 1.3 5.0 100 200 15 -65 +175 SM4936 400 280 400 SM4937 600 420 600 UNITS V V V A A V mA mA nS pF C 1. Reverse Recovery Time test condition:IF=1.0A, VR=30V. 2. Measured at 1MHz and applied reverse voltage of 4.0V D.C. RATING AND CHARACTERISTIC CURVES (SM4933 THRU SM4937) FIG.1-TYPICAL FORWARD CHARACTERISTICS AVERAGE FORWARD CURRENT,(A) 1.2 1.0 0.8 0.6 0.4 0.2 0 0 Tj=25 C Pulse Width 300us 1% Duty Cycle Single Phase Half Wave 60Hz Resistive Or Inductive Load FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE 50 INSTANTANEOUS FORWARD CURRENT,(A) 10 3.0 1.0 20 40 60 80 100 120 140 160 180 200 AMBIENT TEMPERATURE ( C) FIG.4-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PEAK FORWAARD SURGE CURRENT,(A) 50 0.1 .01 .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 FORWARD VOLT AGE,(V) 40 FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTICS 10K 2W 115Va 60Hz C P CLARE HPG1002 8 7 3 6 5 4 1 AMP SLO-BLO FUSE 30Vdc CONSTANT VOLT AGE SUPPLY C1 1.0mF 300V 1 2 R1 3W 25W 30 Tj=25 C 8.3ms Single Half Sine Wave JEDEC method 20 30 W/50W NON-INDUCTIVE UNIT UNDER TEST A 1.0Adc FROM CONSTANT VOLTAGE SUPPL Y RIPPLE=3mVrms MAX. 10 0 1 5 10 50 100 R2 1W /10W NONINDUCTIVE NUMBER OF CYCLES AT 60Hz C1 1.0mF 300V Zout 11/2WMAX. DC To 2KHz MINIMIZE ALL LEAD LENGTHS A-TEKTRONIX 545A. K PLUG IN PRE AMP P6000 PROBE OR EQUIVALENT R1- ADJUSTED FOR 14 BETWEEN POINT 2 OF RELAY AND RECTIFIER INDUCTIVE=3.8mH FIG.5-TYPICAL JUNCTION CAPACITANCE 35 30 25 20 15 10 5 R2- TEN 1W 10 W 1% CARBON CORE IN PARALLEL TA= 25 +10 0 C FOR RECTIFIER IFM 1.0 i(t) di/dt=50A/mS trr 0 IRM(REC) 2.0 1cm SET TIME BASE FOR 50 / 100ns / cm JUNCTION CAPACITANCE,(pF) 0 .01 .05 .1 .5 1 5 10 50 100 REVERSE VOLTAGE,(V) .


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