CURRENT 1.0 Ampere VOLTAGE 50 to 600 Volts 1N4933 THRU 1N4937 Features · Plastic package has Underwrites Laboratory Flammability Classification 94V-0 · Fast switching speed · Construction utilizes void-free molded plastic technique · 1.0A operation at TA=75℃ with to terminal runaway · High temperature soldering guaranteed : 250℃/10 seconds, 0.375"(9.5mm) lead length, 5 lbs.(2.3kg) tension. DO-41 0.107(2.7) 0.080(2.0) DIA. 1.0(25.4) MIN. 0.205(5.2) 0.166(4.2) Mechanical Data · Case : JEDEC DO-41 molded plastic body · Terminals : Plated axial lead solderable per MIL-STD-750, method 2026 · Polarity : Color band denotes cathode end · Mounting Position : Any · Weight : 0.012 ounce, 0.34 gram 1.0(25.4) MIN. 0.034(0.9) 0.028(0.7) DIA. Dimensions in inches and (millimeters) Maximum Ratings And Electrical Characteristics (Ratings at 25℃ ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive load. For capacitive load, derate by 20%) Symbols 1N4933 1N4934 1N4935 1N4936 1N4937 Units Maximum recurrent peak reverse voltage 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 Maximum average forward rectified current 0.375"(9.5mm) lead length TA=75℃ I(AV) 1.0 Amp Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) at TA=75℃ IFSM 30.0 Amps VF 1.3 Volts Maximum instantaneous forward voltage at 1.0A Maximum DC reverse current at rated DC blocking voltage Maximum full load reverse current full cycle average. 0.375"(9.5mm) lead length at TL=55℃ 5.0 μA IR 100 Maximum reverse recovery time (Note 1) Trr 150 ns Typical junction capacitance (Note 2) CJ 15.0 pF Operating junction and storage temperature range TJ TSTG Notes: (1) Test conditions: IF=1.0A, VR=30V, di/dt=50A/μS, and Irr=10%IRM. (2) Measured at 1MHz and applied reverse voltage of 4.0 Volts. -65 to +150 ℃ RATINGS AND CHARACTERISTIC CURVES 1N4933 THRU 1N4937 FIG.2-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 1.0 50 8.3m SINGLE HALF SINE WAVE (JEDEC Method) 0.8 PEAK FORWARD SURGE CURRENT(AMPERES) AVERAGE FORWARD CURRENT(A) FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE 0.6 0.4 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 0.2 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE ( ℃) 40 30 20 10 0 1 2 4 6 8 10 20 40 NUMBER OF CYCLES AT 60Hz FIG.4-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.3-TYPICAL JUNCTION CAPACITANCE 20 INSTANTANEOUS FORWARD CURRENT(AMPERES) JUNCTION CAPACITANCE(pF) 200 100 60 40 20 10 6 TJ=25℃ 4 2 1 0.1 0.2 0.4 1 2 4 10 20 40 100 REVERSE VOLTAGE. (V) 10 3 1 0.3 0.1 TJ=25℃ 0.03 Pulse Width=300mS 1% Duty Cycle 0.01 0.4 FIG.5-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 1 115Va 60Hz 1.0 1.2 1.4 1.6 R1 3.8mH/1.4W 30W 50W NON-INDUCTIVE 3 7 Trr UNIT UNDER TEST Si(t) di/dt=50A/uS IFM 1.0 4 6 5 1.0Adc FROM CONSTANT VOLTAGE SUPPLY RIPPLE=3mVrms MAX C.PCLARE HPG 1002 30Vdc CONSTANT VOLTAGE SUPPLY 0.8 2 8 10K 2W 0.6 INSTANTANEOUS FORWARD VOLTAGE (VOLTS) 1APM SLO.BLO FUSE C1 1.OmF 300V R2 1W 10W NON-INDUCTIVE MINIMIZE ALL LEAD LENGTHS 0 C1 Zout 11/2W MAX DC TO 2kHz IRM (REC) SET TIME BASE FOR 50/100 ns/cm A. TEKTRONIX 545A.K PLUG IN PRE AMP P6000 PROBE OR EQUIVALENT R1-ADJUSTED FOR 1.4W BETWEEN POINT 2 OF RELAY AND RECTIFIER INDUCTIVE=3.8uH +10℃ R2-TEN-1W 10W% CARBON CORE IN PARALLEL TA=25 FOR RECTIFIER -0 1.8 60 100