1N4937G

BL FEATURES Low cost Low leakage GALAXY ELECTRICAL 1N4933G---1N4937G VOLTAGE RANGE: 50 --- 600 V CURRENT: 1.0 A GLASS PASSIVATED JUNCTION DO - 41 Glass passivated junction Low forward voltage drop High current capability Easily cleaned with Freon,Alcohil,Isopropanop and similar solvents The plastic material carries U/L recognition 94V-0 MECHANICAL DATA C ase:JEDEC DO-41,molded plastic Terminals: Axial lead ,solderable per MIL- STD-202,Method 208 Polarity: Color band denotes cathode Weight: 0.34 grams Mounting position: Any MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS R atings at 25 ambient temperature unless otherwise specified. Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%. 1N 4933G Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current 9.5mm lead length, @TA=75 1N 4934G 100 70 100 1N 4935G 200 140 200 1.0 1N 4936G 400 280 400 1N 4937G 600 420 600 UNITS V V V A VRRM VRMS VDC IF(AV) 50 35 50 Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ =125 IFSM 30.0 A Maximum instantaneous forw ard voltage @1.0 A Maximum reverse current at rated DC blocking voltage Maximym reverse capacitance Typical junction capacitance Typical thermal resistance @TA=25 @TA=100 (Note1) (Note2) (Note3) VF IR trr CJ RθJA TJ TSTG 1.3 5.0 100.0 200 12.0 22.0 - 55---- +175 - 55---- + 175 V A ns pF /W Operating junction temperature range Storage temperature range N OTE: 1. Measured with I F =0.5A I R=1A I rr=0.25A. www.galaxycn.com 2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC. 3. Thermal resistance f rom junction to ambient. Document Number 0269004 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES trr 1N4933G---1N4937G FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50 N.1. 10 N.1. +0.5A (-) D.U.T. (+) 50VDC (APPROX) (-) 1 N.1. OSCILLOSCOPE (NOTE 1) PULSE GENERATOR (NOTE2) (+) 0 -0.25A -1.0A N S:1.R TIM = 7ns M IN U IM E AN E= 1M . 22P OTE ISE E AX. P T P D C F 2.R TIM = 10ns M SOU C IM E AN E= 50 ISE E AX. R E PD C SE TIM BASEFOR50/100 ns /cm TE FIG.2 --FORWARD CURRENT DERATING CURVE AVERAGE FORWARD OUTPUT CURRENT AMPERES PEAK FORWARD SURGE CURRENT AMPERES FIG.3 --PEAK FORWARD SURGE CURRENT 1.0 30 0.8 Single Phase Half Wave 50H Z Resistive or Inductive Load 24 0.6 18 TJ=25 8.3ms Single Half Sine-Wave 0.4 12 0.2 0 0 25 50 75 100 6 125 150 175 0 1 2 4 6 10 20 40 60 100 LEAD TEMPERATURE, FIG.4--TYPICAL FORWARD CHARACTERISTIC NUMBER OF CYCLES AT 60 Hz FIG.4--TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE,pF 20 10 20 16 14 FORWARD CURRENT AMPERES 1.0 12 10 TJ =25 PULSE WIDTH=300 s 0.1 4 TJ=25 f=1M Hz 2 1 .1 0.01 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 .2 .4 1.0 2 4 10 20 40 100 FORWARD VOLTAGE,VOLTS REVERSE VOLTAGE,VOLTS www.galaxycn.com Document Number 0269004 BLGALAXY ELECTRICAL 2.