BL GALAXY ELECTRICAL 3JH45 VOLTAGE RANGE: 600 V CURRENT: 3.0 A FAST RECOVERY RECTIFIER FEATURES DO - 27 Low cos t Diffused junction Low leakage Low forward voltage drop High current capability Eas ily cleaned with Freon,Alcohol,Is opropanol and s im ilar solvents The plastic m aterial carries U/L recognition 94V-0 MECHANICAL DATA Case:JEDEC DO-27,m olded plastic Term inals: Axial lead ,solderable per MIL- STD-202,Method 208 Polarity: Color band denotes cathode Weight:0.041 ounces,1.15 gram s Mounting pos ition: Any MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 am bient tem perature unles s otherwis e s pecified. Single phas e,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%. 3JH45 UNITS Maximum recurrent peak reverse voltage V RRM 600 V Maximum RMS voltage V RMS 420 V Maximum DC blocking voltage V DC 600 V IF(AV) 3.0 A IFSM 200.0 A VF 1.3 V Maximum average forw ard rectif ied current 9.5mm lead length, @TA =75 Peak f orw ard surge current 8.3ms single half -sine-w ave superimposed on rated load @TJ =125 Maximum instantaneous f orw ard voltage @ 3.0 A Maximum reverse current at rated DC blocking voltage @TA =25 @TA =100 10.0 IR 100.0 A Maximum reverse recovery time (Note1) t rr 250 ns Typical junction capacitance (Note2) CJ 32 pF Typical thermal resistance (Note3) Rθ JA 22 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. /W 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 0261032 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES 3JH45 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 NOTES:1.RISETIME=7ns MAX. INPUT IMPEDANCE=1M .22pF 2.RISETIME=10ns MAX. SOURCEIMPEDANCE=5O FIG.3 --PEAK FORWARD SURGE CURRENT AVERAGE FORWARD CURRENT AMPERES 4 3 Single Phase Half Wave 60HZ Resistive or Inductive Load 1 0 0 25 50 75 100 125 150 PEAK FORWARD SURGE CURRENT AMPERES FIG.2 --FORWARD DERATING CURVE 2 300 250 200 TJ =125 8.3ms Single Half Sine-Wave 150 100 50 1 100 10 AMBIENT TEMPERATURE, NUMBER OF CYCLES AT 60 Hz FIG.4--TYPICAL FORWARD CHARACTERISTIC FIG.5-- TYPICAL JUNCTION CAPACITANCE 100 10 200 T J =25 Pulse Width=300 µ S 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 JUNCTION CAPACITANCE,pF INSTANTANEOUS FORWARD CURRENT AMPERES 1cm SET TIMEBASEFOR 50/100 ns /cm 100 INSTANTANEOUS FORWARD VOLTAGE,VOLTS 60 40 20 10 6 4 TJ=25 f=1MHz 2 1 0.1 0.2 0.4 1 2 4 10 20 40 100 REVERSE VOLTAGE,VOLTS www.galaxycn.com Document Number 0261032 BLGALAXY ELECTRICAL 2.