1N4933PT CHENMKO ENTERPRISE CO.,LTD THRU FAST RECOVERY RECTIFIER VOLTAGE RANGE 50 - 600 Volts 1N4937PT CURRENT 1.0 Ampere FEATURES * Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * Low cost * Low leakage * Low forward voltage drop * High current capability R-1 .787 (20.0) MIN. MECHANICAL DATA Case: JEDEC R-1 molded plastic Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.181 gram .126 (3.2) .106 (2.7) .025 (0.65) DIA. .021 (0.55) .102 (2.6) DIA. .091 (2.3) .787 (20.0) MIN. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60 HZ, resistive or inductive load. For capacitive load, derate current by 20%. R-1 Dimensions in inches and (millimeters) MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) 1N4937PT UNITS Maximum Recurrent Peak Reverse Voltage RATINGS SYMBOL VRRM 50 100 200 400 600 Volts Maximum RMS Voltage VRMS 35 70 140 280 420 Volts Maximum DC Blocking Voltage VDC 50 100 200 400 600 Volts o Maximum Average Forward Current at TA = 75 C 1N4933PT 1N4934PT 1N4935PT 1N4936PT IO 1.0 Amps IFSM 30 Amps CJ 15 pF TJ,STG -65 to +150 Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 1) Operating and Storage Temperature Range o C ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS SYMBOL Maximum Instantaneous Forward Voltage at 1.0 A DC Maximum DC Reverse Current at Rated DC Blocking Voltage at TA = 25oC Maximum Full Load Reverse Current Average, Full Cycle 0.375" (9.5mm) lead length at TL = 55oC Maximum Reverse Recovery Time (Note 2) NOTES : 1. Measured at 1.0 MHZ and applied reverse voltage of 4.0 volts 2. Test Conditions : IF = 1.0 A, VR = 30 V VF 1N4933PT 1N4934PT 1N4935PT 1N4936PT 1N4937PT UNITS 1.2 Volts 5.0 uAmps 100 uAmps 200 nSec IR trr 2001-6 RATING CHARACTERISTIC CURVES ( 1N4933PT THRU 1N4937PT ) AVERAGE FORWARD CURRENT, ( A ) FIG. 1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC trr 1 8 115 Va 10 K 60 HZ 2 W 2 3.8uH/1.4 3 7 6 C.P. CLARE HPG 1002 4 5 1 AMP SLO-BLO FUSE C1 1.0 uF 300 V i ( t ) di/dt = 50A/us 30 50W NON-INDUCTIVE UNIT UNDER TEST IFM1.0 1.0Adc FROM CONSTANT VOLTAGE SUPPLY R2 RIPPLE=3mVrms MAX. C1 1 1.0uF 10W 300V NONINDUCTIVE 30 Vdc CONSTANT VOLTAGE SUPPLY MINIMIZE ALL LEAD LENGTHS Zout 11/2 MAX. DC to 2kHz 0 IRM(REV) SET TIME BASE FOR 50/100 nS/cm A-TEKTRONIX 545A. K PLUG IN R2 - TEN - 1 W 10 +0.5% CARBON CORE PRE AMP P6000 PROBE OR EQUIVALENT IN PARALLEL R1 - ADJUSTED FOR 1.4 BETWEEN o C FOR RECTIFIER TA = 25 +10 PONT 2 OF RELAY AND RECTIFIER -0 INDUCTIVE = 3.8uH Single Phase Half Wave 60Hz Resistive or Inductive Load 1.25 1.00 .75 .50 .25 0 0 25 50 75 100 125 150 175 FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 100 10 INSTANTANEOUS FORWARD CURRENT, ( A ) INSTANTANEOUS REVERSE CURRENT, (uA) 1.50 AMBIENT TEMPERATURE ( OC ) FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 10 4.0 TJ =100oC 1.0 .4 .1 .04 TJ =25oC .01 0 20 40 60 80 100 120 Pulse Width = 300uS 1% Duty Cycle 1.0 0.1 TJ =25oC .01 0 140 0 PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % ) .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 INSTANTANEOUS FORWARD VOLTAGE, ( V ) FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT FIG. 6 - TYPICAL JUNCTION CAPACITANCE 35 200 30 JUNCTION CAPACITANCE, ( pF ) PEAK FORWARD SURGE CURRENT, ( A ) FIG. 2 - TYPICAL FORWARD CURRENT DERATING CURVE 8.3ms Single Half Sine-Wave (JEDEC Method) 25 20 15 10 5 0 1 2 5 10 20 NUMBER OF CYCLES AT 60 Hz 50 100 100 60 40 20 10 TJ =25oC 6 4 2 1 .1 .2 .4 1.0 2 4 10 REVERSE VOLTAGE, ( V ) 20 40 100