LL42

BL FEATURES GALAXY ELECTRICAL LL42/LL43 VOLTAGE : 30 V SMALL SIGNAL SCHOTTKY DIODES ◇ For general purpose applications ◇ These diodes feature very low turn-on voltage and fast switching.These devices are protected by a PN junction guard ring against excessive voltage, Cathode indification MINI-MELF such as electrostatic discharges. ◇ These diodes are also available in the DO-35 case with type designations BAT42 to BAT43 and in the SOD-123 case with type designations BAT42W to BAT43W 3.4 +0.3 -0.1 φ .5±0.1 1 0.4±0.1 MECHANICAL DATA ◇ Case: MINI-MELF,glass case ◇ Polarity: Color band denotes cathode ◇ Weight: 0.031 grams Dimensions in millimeters MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ℃ ambient temperature unless otherwise specified. MAXIMUM RATINGS LL42/LL43 Peak reverse voltage Forward continuous current Surge forward current at t p=10 ms Power dissipation Thermal resistance junction to ambient air Junction temperature Storage temperature range 1) UNITS V mA A mW ℃/W ℃ ℃ www.galaxycn.com VRRM IF IFSM Ptot RθJA Tj TSTG 30 200 1) 4.01) 2001) 0.3 1) 125 -55 --- + 150 Valid provided that electrodes are kept at ambient temperature. Document Number 0265013 BLGALAXY ELECTRICAL 1. ELECTRICAL CHARACTERISTICS MIN Reverse breakdown voltage at IR=100µA Forward voltage pulse test tp=300 µs,δ＜2% @I F=200mA @I F=10mA @I F=50mA @I F=2mA @I F=15mA LL42 LL42 LL43 LL43 TYP - MAX - UNITS V V(BR) 30 VF - - 1.0 0.40 0.65 0.33 0.45 V Leakage current pulse test t p＜300µs,δ＜2% @VR=25V @V R=25V,TJ=100℃ Junction capacitance at V R=1V f=1MHZ Reverse recovery time Rectification efficiency 2) 3) IR - 7.0 - 0.5 100 52) - µA CJ trr ηv 803) pF ns % www.galaxycn.com IF=10mA,IR=10mA,Irr=1mA,RL=100Ω RL=15KΩ,CL=300pF,f=45MHz,VRF=2V Document Number 0265013 BLGALAXY ELECTRICAL 2. RATINGS AND CHARACTERISTIC CURVES LL42- - -LL43 FIG.1 --FORWARD DERATING CURVE PEAK FORWARD SURGE CURRENT AMPERES FIG.2 --PEAK FORWARD SURGE CURRENT AVERAGE FORWARD CURRENT MILL AMPERES 250 200 150 100 50 0 5 4 3 TJ =125 8.3ms Single Half Sine-Wave 2 1 0 0 50 100 150 200 1 10 100 AMBIENT TEMPERATURE, NUMBER OF CYCLES AT 60 Hz FIG.3--TYPICAL FORWARD CHARACTERISTIC FIG.4--PEAK JUNCTION CAPACITANCE INSTANTANEOUS FORWARD CURRENT MILL AMPERES JUNCTION CAPACITANCE,pF 100 1000 TJ=25 Pulse Width=300µS 200 LL 42 40 30 20 10 100 40 20 10 6 4 LL43 4 2 1 .1 .2 TJ=25 f=1MHz 2 1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 .4 1.0 2 4 10 20 40 100 INSTANTANEOUS FORWARD VOLTAGE,VOLTS REVERSE VOLTAGE,VOLTS www.galaxycn.com Document Number 0265013 BLGALAXY ELECTRICAL 3.