1S1834-1S1835 Fast Recovery Rectifiers VOLTAGE RANGE: 400 --- 600 V CURRENT: 1.0 A DO - 15 Features Low cost Diffused junction Low leakage Low forward voltage drop High current capability Easily cleaned with Freon,Alcohol,Isopropanol and similar solvents The plastic material carries U/L recognition 94V-0 Mechanical Data Dimensions in millimeters Case:JEDEC DO-15,molded plastic Terminals: Axial lead ,solderable per MIL- STD-750,Method 2026 Polarity: Color band denotes cathode Weight: 0.14 ounces,0.39 grams Mounting position: Any MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ambient temperature unless otherwise specified. Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%. 1S1834 1S1835 UNITS Maximum recurrent peak reverse voltage VRRM 400 600 V Maximum RMS voltage VRMS 280 420 V Maximum DC blocking voltage VDC 400 600 V Maximum average forw ard rectified current 9.5mm lead length, @TA =75 IF(AV) 1.0 A IFSM 60.0 A VF 1.2 V Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ =125 Maximum instantaneous forw ard voltage @ 1.5 A Maximum reverse current at rated DC blocking voltage @TA=25 @TA=100 IR 10.0 100.0 A Maximum reverse recovery time (Note1) trr 350 ns Typical junction capacitance (Note2) CJ 12 pF Typical thermal resistance (Note3) RθJA 55 TJ -55-----+150 TSTG -55-----+150 Operating junction temperature range Storage temperature range NOTE: 1. Measured with I F =0.5A, I R=1A, I rr=0.25A. 2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC. 3. Thermal resistance f rom junction to ambient. ／Ｗ 1S1834-1S1835 Fast Recovery Rectifiers Ratings AND Charactieristic Curves FIG.1 -- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM trr 10 N.1. 50 N.1. +0.5A D.U.T. ( - ) 0 PULSE GENERATOR (NOTE2) (+) 50VDC (APPROX) (-) OSCILLOSCOPE (NOTE 1) 1 N.1. -0.25A ( + ) -1.0A 1cm NOTES:1.RISETIME=7ns MAX. INPUT IMPEDANCE=1M .22pF 2.RISETIME=10ns MAX. SOURCEIMPEDANCE=5O 100 10 TJ=25 Pulse Width=300µS 4 2 1.0 0.4 0.2 0.1 0.06 0.04 0.02 0.01 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 FIG.3 -- FORWARD DERATING CURVE AVERAGE FORWARD RECTIFIED CURRENT AMPERES INSTANTANEOUS FORWARD CURRENT AMPERES FIG.2 --TYPICAL FORWARD CHARACTERISTIC SET TIMEBASEFOR 50/100 ns /cm 1.5 1.25 1.00 .75 .50 .25 0 25 50 INSTANTANEOUS FORWARD VOLTAGE,VOLTS 100 75 125 150 175 AMBIENT TEMPERATURE, FIG.5--PEAK FORWARD SURGE CURRENT FIG.6--TYPICAL JUNCTION CAPACITANCE 100 70 JUNCTION CAPACITANC,pF PEAK FORWARD SURGE CURRENT AMPERES Single Phase Half Wave 60H Z Resistive or Inductive Load 60 TJ=125 8.3ms Single Half Sine-Wave 50 40 30 20 10 0 1 2 4 6 8 10 20 NUMBER OF CYCLES AT 60 Hz 60 60 40 20 10 4 TJ=25 f=1MHz 2 1 .1 .2 .4 1.0 2 4 10 20 100 REVERSE VOLTAGE,VOLTS 40 100