1N4937

1N4933 1N4937 THRU 1.0 AMP FAST RECOVERY RECTIFIERS VOLTAGE RANGE 50 to 600 Volts CURRENT 1.0 Ampere FEATURES * Low forward voltage drop * Low leakage current * High reliability * High current capability DO-41 .107(2.7) .080(2.0) DIA. 1.0(25.4) MIN. MECHANICAL DATA * Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant * Lead: Axial leads, solderable per MIL-STD-202, method 208 guranteed * Polarity: Color band denotes cathode end * Mounting position: Any .205(5.2) .166(4.2) 1.0(25.4) MIN. .034(.9) .028(.7) DIA. * Weight: 0.34 grams 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 1N4933 50 35 50 1N4934 100 70 100 1N4935 200 140 200 1N4936 400 280 400 1N4937 600 420 600 UNITS V V V .375"(9.5mm) Lead Length at Ta=75 C Peak Forward Surge Current, 8.3 ms single half sine-wave 1.0 A superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 1.0A Maximum DC Reverse Current Ta=25 C 30 1.2 5.0 A V A 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 100 200 15 -65 +150 A nS pF C NOTES: 1. Reverse Recovery Time test condition:IF=1.0A, VR=30V. 2. Measured at 1MHz and applied reverse voltage of 4.0V D.C. REV 1.0 2015 JAN PAGE:1/2 RATING AND CHARACTERISTIC CURVES (1N4933 THRU 1N4937) FIG.1-TYPICAL FORWARD FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT,(A) CHARACTERISTICS 10 3.0 1.0 1.2 1.0 0.8 Single Phase 0.6 Half Wave 60Hz Resistive Or Inductive Load 0.4 0.375"(9.5mm) Lead Length 0.2 0 0 20 40 60 Tj=25 C 80 100 120 140 160 180 200 AMBIENT TEMPERATURE,( C) Pulse Width 300us 1% Duty Cycle 0.1 .01 .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 FORWARD VOLTAGE,(V) FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTICS 10K 2W 1 8 115Va 60Hz 2 7 3 30 W/50W NON-INDUCTIVE R1 3W 25W UNIT UNDER TEST 6 C P CLARE HPG1002 4 5 1 AMP SLO-BLO FUSE 30Vdc CONSTANT VOLTAGE SUPPLY C1 1.0mF 300V A R2 1W /10W NONINDUCTIVE +10 0 18 8.3ms Single Half Tj=25 C Sine Wave 12 JEDEC method 6 5 50 10 100 NUMBER OF CYCLES AT 60Hz C1 1.0mF 300V Zout 11/2WMAX. DC To 2KHz FIG.5-TYPICAL JUNCTION CAPACITANCE 35 C FOR RECTIFIER IFM 1.0 i(t) 24 1 R2- TEN 1W 10W 1% CARBON CORE IN PARALLEL TA= 25 30 0 1.0Adc FROM CONSTANT VOLTAGE SUPPLY RIPPLE=3mVrms MAX. 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 PEAK FORWARD SURGE CURRENT,(A) FIG.4-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT di/dt=50A/mS trr 0 JUNCTION CAPACITANCE,(pF) INSTANTANEOUS FORWARD CURRENT,(A) 50 30 25 20 15 10 5 IRM(REC) 2.0 0 1cm .01 .05 .1 .5 1 5 10 50 100 SET TIME BASE FOR 50 / 100ns / cm REVERSE VOLTAGE,(V) REV 1.0 2015 JAN PAGE:2/2