IN4933 thru IN4937 CHENG- YI FAST SWITCHING RECTIFIER ELECTRONIC VOLTAGE RANGE 50 TO 600 Volts CURRENT 1.0 Amperes DO-41 FEATURE Low forward voltage High current capability Low leakage current High surge capability Low cost MECHANICAL DATA Case:Mold plastic use UL 94V-0 recognized flame retardant epoxy Terminals:Axial leads, solderable per MIL-STD-202, method 208 Polarity:Color band denotes cathode Mounting Position:Any MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 250C ambient temperature unless otherwise specified. Signle phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Maximum Recurrent Peak Reverse Voltage IN4933 IN4934 IN4935 IN4936 IN4937 UNITS 50 100 200 400 600 V Maximum RMS Voltage 35 70 140 280 420 V Maximum DC Blocking Voltage 50 100 200 400 600 V Maximum Average Forward Rectified Current, .375", (9.5mm) Lead Length at TA =75 C 1.0 A Peak Forward Surge Current 8.3 ms single half sine-wave 50 A Maximum Forward Voltage at 1.0A Peak 1.2 V Maximum Full Load Reverse Current, Full Cycle Average, .375", (9.5mm) Lead Length at TA =55 C 30 0 0 A Maximum DC Reverse Current, at Rated DC Blocking Voltage 5.0 A Maximum Reverse Recovery Time (Note 1) 200 nS Typical Junction Capacitance (Note 2) 20 pF Operating and Storage Tempeature Range Notes : 1. Reverse Recovery Test Conditions : IF=1A, V R=30V 2. Measured at 1.0MHz and applied reverse voltage of 4.0 Volts. -65 to +175 0 C IN4933 thru IN4937 CHENG- YI FAST SWITCHING RECTIFIER ELECTRONIC RATING AND CHARACTERISTICS CURVES IN4933 THRU IN4937 Fig. 1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 1 8 115Va 60Hz 10K 2W 30 50W R1 3 25W 2 7 NON-INDUCTIVE I FM UNIT UNDERTEST 3 6 i(ti) di/d trr C P CLARE HPG 1002 5 4 1 AMP SLO-RLO FUSE R2 1 1OW NON-INDUCTIVE C1 1.0 F 300V 30 Vdc CONSTANT VOLTAGE SUPPLY C1 1.0 F 300V I RM (REC) 1cm MINIMIZE ALL LEAD LENGTHS A-TEKTRONIX 545A. K PLUG IN PRE AMP, p6000 PROBE OR EOUIVALENT R 1 -ADJUSTED FOR 14 BETWEEN POINT 2 OF RELAY AND RECTIFIER INDUCTANCE=3&H 0 1.0 Adc From Vdc CONSTANT VOLTAGE SUPPLY RIPPLE 3mVrms MAX Zout 11/2 MAX DC to 2KHz R 2 -TEN 1W 10 1% CARBONCORD INPARALLEL +10 CFORRECTIFIER TA = -0 Fig. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS Fig. 2 - FORWARD CURRENT DERATING CURVE SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD .375 LEAD LENGTH 1.25 1.00 .75 .50 .25 0 25 50 75 100 125 150 175 INSTANTANEOUS FORWARD CURRENT AMPERES 10 1.50 AVERAGE FORWARD RECTIFIED CURRENT AMPERES SET TIME BASE FOR 50/100ns/cm 1.0 0.01 .4 AMBIENT TEMPERATURE, 0C T J = 25 0 C 0.1 .6 .8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE, VOLTS Fig. 4 - TYPICAL JUNCTION CAPACITANCE Fig. 5 - PEAK FORWARD SURGE CURRENT T J = 25 0 C 10 1 1 10 REVERSE VOLTAGE. VOLTS 100 FORWARD SURGE CURRENT, AMPERES pk (HALF-SINE WAVE) CAPACITANCE-pF 100 50 40 30 T J = 25 0 C 20 10 0 1 10 NUMBER OF CYCLES AT 60Hz 100