BAT42-BAT43 Small Signal Schottky Diodes REVERSE VOLTAGE : 30 V CURRENT: 0.2 A Features DO-35(GLASS) These diodes feature very low turn-on voltage and fast guard ring against excessive voltage,such as electrostatic discharges 200 m W power dissipation These diodes are also available in the SOD-123 case with the type designations BAT42W to BAT43W and in designations LL42 to LL43 Mechanical Data Case: DO-35, glass case Dimensions in millimeters Polarity: Color band denotes cathode Weight: 0.004 ounces, 0.13 grams MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 am bient temperature unless otherwise specified. ABSOLUTE MAXIMUM RATINGS BAT42 Repetitive peak reverse voltage VRRM Reverse breakdown voltage IR=100µ A (pulsed) V (BR) Average forw ard rectified current half w ave rectification w ith resist.load IAV T = and f 50Hz @ A 25 Forw ard surge current @ t<10ms IFSM Pow er dissipation @ TA =65 Ptot Junction temperature TJ Storage temperature range TSTG UNITS BAT43 30 30 V V 200.0 mA 4 A mW 200 1) 125 -55 --- +150 1)Valid prov ided that leads at a distance of 4 mm f rom case are kept at ambient temperature. ELECTRICAL CHARACTERISTICS TYP VF - - 1 1 0.4 0.65 0.33 0.45 Ctot - 7 - pF µA Forw ard voltage @I F=200 m A BAT42 BAT43 IF=10 mA BAT42 IF=50 mA BAT43 IF=2 mA BAT43 IF=15 mA BAT43 Capacitance @ V R=1V,f=1MHZ Reverse breakdown voltage VR=25 V VR=25 V,TJ=100 Reverse recovery time from IF=10mA to IR=10mA I rr=1mA, RL=100Ω. Thermal resistance junction to ambient Rectification efficiency (NOTE2) IR trr RθJA ηv - - 0.5 - - 100 - - 5 - 300 - 0.80 1)Valid prov ided that leads at a distance of 4 mm f rom case are kept at ambient temperature. 2)RL=15K Ω CL=300PF,f=45MHZ,VRF=2V C http://www.luguang.cn MAX UNITS MIN mail:[email protected] V ns 1) K/W - BAT42-BAT43 Small Signal Schottky Diodes Ratings AND Charactieristic Curves 250 200 150 100 50 0 0 50 100 150 FIG.2 --PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT AMPERES AVERAGE FORWARD CURRENT m AMPERES FIG.1 --FORWARD DERATING CURVE 200 5 4 3 TJ =125 8.3ms Single Half Sine-Wave 2 1 0 10 1 AMBIENT TEMPERATURE, NUMBER OF CYCLES AT 60 Hz FIG.4--PEAK JUNCTION CAPACITANCE JUNCTION CAPACITANCE,pF INSTANTANEOUS FORWARD CURRENT m AMPERES FIG.3--TYPICAL FORWARD CHARACTERISTIC 1000 TJ=25 Pulse Width=300µS 200 100 40 20 10 6 4 BAT43 2 1 0 0.2 0.4 0.6 0.8 1.0 100 1.2 100 40 30 20 10 4 TJ=25 f=1MHz 2 1 .1 .2 .4 1.0 2 4 10 20 1.4 INSTANTANEOUS FORWARD VOLTAGE,VOLTS http://www.luguang.cn REVERSE VOLTAGE,VOLTS mail:[email protected] 40 100