SR120-SR1A0 Schottky Barrier Rectifiers VOLTAGE RANGE: 20 --- 100 V CURRENT: 1.0A DO - 41 Features Metal-Semiconductor junction with guard ring Epitaxial construction Low forward voltage drop,low switching losses High surge capability xxxx For use in low voltage,high frequency inverters free wheeling,and polarity protection applications The plastic material carries U/L recognition 94V-0 Mechanical Data Case:JEDEC DO--41,molded plastic Dimensions in millimeters Polarity: Color band denotes cathode Weight: 0.012 ounces,0.34 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%. SR120 SR130 SR140 SR150 SR160 SR180 SR1A0 UNITS Maximum recurrent peak reverse voltage V RRM 20 30 40 50 60 80 100 V Maximum RMS voltage V RMS 14 21 28 35 42 56 70 V Maximum DC blocking voltage V DC 20 30 40 50 60 80 100 V Maximum average forw ard rectified current 9.5mm lead length, (see fig.1) IF(AV) 1.0 A IFSM 40.0 A Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ =125 Maximum instantaneous forw ard voltage @ 1.0A(Note 1) Maximum reverse current @TA=25 at rated DC blocking voltage @TA=100 VF 0.55 0.7 0.5 IR (Note2) CJ 110 Typical thermal resistance (Note3) RθJA 50 Storage temperature range TJ TSTG - 55 ---- + 125 pF ／Ｗ - 55 ---- + 150 - 55 ---- +150 NOTE: 1. Pulse test : 300 s pulse width,1% duty cy cle. 2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC. 3.Thermal resistance junction to ambient http://www.luguang.cn V mA 10.0 Typical junction capacitance Operating junction temperature range 0.85 mail:[email protected] SR120-SR1A0 Schottky Barrier Rectifiers Ratings AND Charactieristic Curves FIG.2 -- PEAK FORWARD SURGE CURRENT SR150 - SR1A0 SR120 - SR140 0.75 Resistive or Inductive Load 0.375"(9.5mm) Lead Length 0.5 0.25 0 0 25 50 75 100 125 150 175 PEAK FORWARD SURGE CURRENT AMPERES 1.0 AMPERES AVERAGE FORWARD RECTIFIED CURRENT FIG.1 -- FORWARD DERATING CURVE 50 40 30 20 10 0 1 LEAD TEMPERATURE, 10 100 NUMBER OF CYCLES AT 60Hz FIG.3 -- TYPICAL INSTANTANEOUS FORWARD XXXXXXXXX----CHARACTERISTICS FIG.4 -- TYPICAL JUNCTION CAPACITANCE 50 400 SR120 - SR140 10 CAPACITANCE,pF SR150 - SR160 AMPERES INSTANTANEOUS FORWARD CURRENT TJ=TJMAX 8.3ms Single Half Sine-Wave SR180-SR1A0 1 0.1 Pulse Width=300 µs 1%Duty Cycle 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 100 TJ=25℃ f=1.0MHz Vsig=50mVp-p 10 0.1 1 10 1.6 INSTANTANEOUS FORWARD VOLTAGE, VOLTS http://www.luguang.cn REVERSE VOLTAGE,VOLTS mail:[email protected] 100