1N4933 RECTRON THRU SEMICONDUCTOR TECHNICAL SPECIFICATION 1N4937 FAST RECOVERY RECTIFIER VOLTAGE RANGE 50 to 600 Volts CURRENT 1.0 Ampere FEATURES * * * * Low cost Low leakage Low forward voltage drop High current capability DO-41 MECHANICAL DATA * * * * * Case: Molded plastic Epoxy: Device has UL flammability classification 94V-O Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 0.33 gram 1.0 (25.4) MIN. .205 (5.2) .166 (4.2) .034 (0.9) DIA. .028 (0.7) .107 (2.7) .080 (2.0) DIA. 1.0 (25.4) MIN. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS o Ratings at 25 C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. Dimensions in inches and (millimeters) MAXIMUM RATINGS (At T A = 25 oC unless otherwise noted) SYMBOL 1N4933 1N4934 1N4935 1N4936 1N4937 Maximum Recurrent Peak Reverse Voltage RATINGS VRRM 50 100 200 400 600 Volts Maximum RMS Voltage VRMS 35 70 140 280 420 Volts VDC 50 100 200 400 600 Volts Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at T A = 75 oC Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range UNITS IO 1.0 Amps I FSM 30 Amps CJ 15 T J , T STG -65 to + 150 pF 0 C ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 1.0A DC Maximum DC Reverse Current at Rated DC Blocking Voltage TA = 25 oC Maximum Full Load Reverse Current Full Cycle Average, .375” (9.5mm) lead length at T L = 55 oC Maximum Reverse Recovery Time (Note 1) NOTES : 1. Test Conditions: IF = 1.0A, VR = 30V 2. Measured at 1 MHZ and applied reverse voltage of 4.0 volts SYMBOL VF 1N4933 1N4934 1N4935 1.2 1N4936 1N4937 UNITS Volts 5.0 uAmps 100 uAmps 200 nSec IR trr 2001-5 RATING AND CHARACTERISTIC CURVES ( 1N4933 THRU 1N4937 ) FIG. 2 - MAXIMUM NON-REPETITIVE 1.0 .8 .6 .4 Single Phase Half Wave 60Hz Resistive or Inductive Load .2 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE, ( ) PEAK FORWARD SURGE CURRENT, (A) AVERAGE FORWARD CURRENT, (A) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE FORWARD SURGE CURRENT 50 8.3ms Single Half Sine-Wave (JEDED Method) 40 30 20 10 0 1 FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT, (A) FIG. 3 - TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, (pF) 200 100 60 40 20 10 TJ = 25 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 100 REVERSE VOLTAGE, ( V ) 2 4 6 8 10 20 40 6080100 NUMBER OF CYCLES AT 60Hz 20 10 TJ = 25 1.0 .1 Pulse Width=300uS 1% Duty Cycle .01 .6 .8 1.0 1.2 FIG. 5 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 8 115Va 60Hz 10K 2W 1 2 3.8uH/1.4 3 7 C.P.CLARE HPG 1002 30 50W NON-INDUCTIVE UNIT UNDER TEST 6 5 4 30 Vdc CONSTANT VOLTAGE SUPPLY 1 AMP SLO-BLO FUSE C1 1.0uF 300V R2 1 10W NONINDUCTIVE MINIMIZE ALL LEAD LENGTHS A-TEKTRONIX 545A. K PLUG IN R2-TEN-1W 10 PRE AMP P6000 PROBE OR EQUIVALENT IN PARALLEL R1-ADJUSTED FOR 1.4 BETWEEN POINT 2 OF RELAY AND RECTIFIER 10 TA = 25 INDUCTIVE = 3.8uH 0 C1 1.0uF 300V 1.0 Adc FROM CONSTANT VOLTAGE SUPPLY RIPPLE = 3mVrms MAX trr IFM 1.0 i(t) di/dt = 50A/uS 0 Zout 11/2 MAX DC to 2kHz % CARBON CORE IRM (REC) FOR RECTIFIER 1.4 INSTANTANEOUS FORWARD VOLTAGE, (V) SET TIME BASE FOR 50/100 ns/cm RECTRON