1N4942G

1N4942G THRU 1N4948G Features · Fast switching · Low leakage current · Low forward voltage drop · High current capability · Glass passivated junction · High reliability capability CURRENT 1.0 Ampere VOLTAGE 200 to 1000 Volts 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 0.034(0.9) 0.028(0.7) DIA. 1.0(25.4) MIN. 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 Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375"(9.5mm) lead length at TA=55℃ Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) 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℃ Maximum reverse recovery time (Note 1) Typical junction capacitance (Note 2) Operating junction and storage temperature range IR VRRM VRMS VDC I(AV) IFSM VF 1N4942G 200 140 200 1N4944G 400 280 400 1N4946G 600 420 600 1.0 30.0 1.3 5.0 1N4947G 800 560 800 1N4948G 1000 700 1000 Units Volts Volts Volts Amp Amps Volts μA 100 Trr CJ TJ TSTG 150 15.0 -65 to +175 250 500 ns pF ℃ Notes: (1) Test conditions: IF=0.5A, IR=1.0A, Irr=0.25A. (2) Measured at 1MHz and applied reverse voltage of 4.0 Volts. RATINGS AND CHARACTERISTIC CURVES 1N4942G THRU 1N4948G FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE 1.50 AVERAGE FORWARD CURRENT(A) 1.25 1.00 0.75 0.50 0.25 0 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD FIG.2-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 50 8.3m SINGLE HALF SINE WAVE (JEDEC Method) 40 PEAK FORWARD SURGE CURRENT(AMPERES) 30 20 10 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE ( ℃) 1 2 4 6 8 10 20 NUMBER OF CYCLES AT 60Hz 40 60 100 FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE CHARACTERISTICS 20 10 6.0 4.0 2.0 1.0 0.6 0.4 0.2 0.1 0.06 0.04 0.02 0.01 0 20 40 60 80 100 120 140 INSTANTANEOUS FORWARD CURRENT(AMPERES) 10 INSTANTANEOUS REVERSE CURRENT ,(mA) 20 TJ=125℃ 3 1 TJ=75℃ 0.3 0.1 TJ=25℃ TJ=25℃ 0.03 0.01 0.4 0.6 0.8 Pulse Width=300mS 1% Duty Cycle 1.0 1.2 1.4 1.6 1.8 PERCENT OF RATED PEAK REVERSE VOLTAGE(%) INSTANTANEOUS FORWARD VOLTAGE (VOLTS) FIG.5-TYPICAL JUNCTION CAPACITANCE 200 100 JUNCTION CAPACITANCE(pF) 60 40 FIG.6-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50W NON INDUCTIVE 10W NON INDUCTIVE +0.5A Trr (+) 20 10 6 4 2 1 0.1 0.2 0.4 1 2 4 10 20 40 100 REVERSE VOLTAGE. (V) TJ=25℃ D.U.T. 25Vdc (APPROX) ( ) PULSE GENERATOR (NOTE2) 0 -0.25A 1W NON INDUCTIVE OSCILLOSCOPE (NOTE1) NOTES : 1.Rise Time=7ns max. input impedance=1 megohm 22pF 2.Rise Time=10ns max. source impedance =50 ohms -1.0A 1cm SET TIME BASE FOR 50/100 ns/cm